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Bean plant growth in various nutrient deficient soils. Does the pyramid change the growth of plants? Using radioisotopes to study uptake of plant nutrients A study of the tumours produced in plants by agrobacterium tumifacieus Does soil type change how well crops grow?
Does the amount of water a plant receives affect how much water it gives off? Do steroids affect plant growth? Will the amount of light affect how fast a Venus Fly-Trap closes its jaws around an insect? Which vegetables serve as the best conductors of electricity? What are the effects of aspirin, vitamin C, calcium, and Benadryl on plant growth? Investigating the effects of gravitational forces on plant growth. What effect would freezing have on how well seeds sprout? Does the depth a seed is planted affect its ability to sprout?
Examine phototropism, the study of why plants grow towards light. Where are there more stomata, the top or bottom of a leaf? Is there a relationship between seed shape and the method of seed dispersal? What are the effects of ant mound soil on the growth or bean seeds? What are the effects of dryer lint on plant growth and soil? How do different types of wood absorb water? Which wood is the hardest and why? Does the density of wood affect the time for a flame to burn through to the other side?
Can pigments from lichens be extracted for dyes? An analysis of the pH of saliva of students at your school. What esters are common in basic flavors? Will artificial sweeteners replace sugar?
DNA extraction techniques from beef liver. Comparison of the Effects of Inorganic Catalysts and Enzymes on Peroxide Decomposition How do different conditions affect the speed at which fruit and vegetables ripen What effects do different amounts of exercise have on the production of carbon dioxide in humans?
Compare the amount of protein in different brands of milk. Is there a difference between plant and animal DNA? Do different varieties of the same fruit have the same level of vitamin C? How can we extract DNA from onions? A study of the percentage of DNA by weight in different species Factors affecting the enzyme's reaction rates How can we test for the presence of starch?
Illustrate how a sewage plant could produce natural gas Can you reproduce the effects of the commercially produced Pomona's Universal Pectin with homemade citrus pectin? Paper Chromatography, what colored dyes are found in powdered drink mix and markers? How is calcium involved in muscle function and metabolism? Is there an inheritance pattern in mitochondrial DNA? Effects of temperature on viscosity of oil, chemical reactions, Brownian movement, burning of different materials.
Everyday activities that illustrate chemical principles Chemical reactions that produce energy or that require energy Testing of consumer products- glues, stain removers, antiseptics, mouthwash, detergents, paper towels, making salt water potable, removal of pollutants Effects of sunlight on rubber, ink, paper Illustrate how hydrogen gas might be stored efficiently using carbon nanotubes Demonstrate how liquid methanol could be made from natural gas Effects of increased concentrations on the rate of chemical reactions Compare the pH levels in mouths of various animals and humans at different times in the day Compare the surface tension of various liquids Dealing with chemical spills from industry.
Are there better ways to mitigate the problem? How Does Surface Temperature Above the Boiling Point Affect the Rate of Evaporation of Certain Alcohols Analyzing snow and rain for pollutants; samples from different locations Effects of temperature on density of gases Understand how different physical properties and chemical agents affect microwave superheating of water Build your own small liquid air generator.
Show how pure nitrogen, oxygen, and other gases can be removed from the liquid air by a process known as fractional distillation Effects of salt and other contaminants on rate of rusting Growing crystals- factors that affect the rate and the size Can you obtain water from ink, vinegar, milk?
What effects do different amounts of exercise have on the production of carbon dioxide in humans? Analyze soil samples for their components, ability to hold moisture, fertility and pH Does the amount of particle pollution vary with distance from a road, with location, with height.
Determine types of particles found in pollution fallout Catalysts- how they work and why; commercial applicants and problems Determine the effect of different brands of detergents on surface tension Fire extinguishers-principles of operation and factors affecting their efficient use How do acids react with different metals under varying conditions Identify different metals by the color of flame when they burn Can you devise and experiment that will list metals in order of their activity, from the most potassium to the least active ore gold Electroplating- the principles, how different metals can be used and the practical applications Chemical Change and the factors that affect the rate such as heat.
Factors affecting the making of glass. The effects of salts on the freezing point of water and other liquids. Techniques of fractional distillation of oil samples. Testing the mineral concentrations in hard and soft water. Investigation of pH variations of soils. Can negative ions anions can be separated and analyzed with exchange resins.
Can light energy influence chemical reactions? A study of acidity in different types and brands of milk Effects of temperature on viscosity of oil, chemical reactions, Brownian movement, burning of different materials. Testing of consumer products- glues, stain removers, antiseptics, mouthwash, detergents, paper towels, making salt water potable, removal of pollutants Effects of sunlight on rubber, ink, paper Effects of increased concentrations on the rate of chemical reactions.
Dealing with chemical spills from the industry. Effects of salt and other contaminants on rate of rusting Growing crystals- factors that affect the rate and the size Can you obtain water from ink, vinegar, milk?
How do acids react with different metals under varying conditions Identify different metals by the color of flame when they burn Can you devise and experiment that will list metals in order of their activity, from the most potassium to the least active ore gold Electroplating-the principles, how different metals can be used and the practical applications Calcium magnesium acetate CMA as a deicer Effects of drying times on the properties of glue mixtures Effect of chlorine bleach on fabric strength Chemical reactions that consume versus produce energy Factors affecting an enzyme's reaction rate What household material will put out fire the fastest?
What type of metal, steel, copper, or bronze, will rust faster? Which hair coloring product has the greatest amount of lead acetate? Back To Category List. Which is the Best? How can a computer be used as a time clock to keep track of time worked. Determining which computer is the fastest for different kinds of programs. Which factors most affect the operating speed of a computer?
Can a computer can be used as an educational tool? Demonstrate how internet data can be used to predict the weather patterns in your home town. Create a program that gives people information based on their birthday. Which WWW search engine produces the most accurate results?
Show how computer programs can simulate astronomical events. How do web pages work? Do computers or computer monitors generate radio signals? Examine the effect of magnetic fields on recording mediums tapes, disks, etc. Create a program that simulates intelligence, responding to a user based on what the user inputs into the program.
Can a computer program affect childrens' learning ability? Demonstrate how examinations can be administered by computer and simultaneously graded. Develop and demonstrate a program to predict a comet's orbital path. Develop an advanced computer program designed to solve one of several problems in the mathematics of probability. Develop a computer program designed to solve one of several problems in advanced mathematics.
Create a program which teaches the user a set of technical facts thorough the use of branched programmed learning methods. How does the C programming language work? Develop a program which will determine the feasibility of takeoff and flight for an aircraft.
Develop a program to solve mathematical formulas. Develop a program to recognize animal tracks based on their shape. Can a computer program predict the future population of nations based on past population statistics? Develop a medical program to identify common childhood illnesses based on the symptoms exhibited.
How Safe Is Your Data? Aid for finding the centroid of two dimensional rectangular shapes. Computer-aided design and simulation of digital circuits. Microcomputer programs for the blind. A study of solar flares through the sudden enhancement of atmospherics The identification of elements in the solar and stellar spectra Crystal growth rates versus solution strengths, temperature, etc Observations of experimentally induced seismic waves Is there a relation between sunspot cycles and earthquakes Observations of geomorphic factors in the local areas Fossil studies in limestone and other rocks Sunlight- how do different surfaces affect the amount of sunlight reflected and absorbed?
Design a method of measuring how much sunshine is available each day. A study of phosphorescence as a tool for geologists Do major earthquakes set off other fault areas in other parts of the world? Does the depth have any effect on other possible resulting quakes? Frost formation- what must the temperature be to form first; what are the effects of humidity? What is the make-up of frost and dew? How does water compare to land and what effect does this have on the weather? What factors affect the cooling of land?
Build a snow and rain monitor. Perhaps light from an infrared light emitting diode could used to detect the reflections off the rain drops and snow flakes Build Your Own Seismometer and demonstrate how it works. Observations of fluctuations in stream flow following rain Study of air tides: Study and record varying levels over the year in a body of water; account for differences and the results on the surrounding environment How much is formed on a square meter for a period of time; account for variations Does wind travel at same speeds and in same directions at different heights?
What must the temperature be to form first; what are the effects of humidity? Which effects the rate of evaporation most- temperature, humidity, wind speed or other factors? Can you measure the speed and force of raindrops? Could you simulate the effect of rain? Does fresh water hold heat longer than salt water? How do different surfaces affect the amount of sunlight reflected and absorbed? Can you collect the amounts of water in the air at different temperatures?
What is the difference between direct sun and in the shade? Is the difference constant? Weather records- Design and build an automatic recording weather device. Test it over a period of time. What happens to hair during periods of changing humidity? Record length of days and nights over a period of time; what effects do the changes have on things like household plants, pets, etc. Can you measure how much dew is formed in a square meter.
How does the temperature change during the day? What time is usually the warmest? Can you construct your own thermometer to keep your own records. Observations of experimentally-induced seismic waves A study of small scale wind currents around buildings A study of solar flares through sudden enhancement of atmospherics The effects of solar activity on radio propagation Build a "tornado in a box" to show how tornadoes form Demonstrate how clouds form via condensation around particulate matter.
Explain how fog forms and build a device that produces fog. Which affects evaporation the most.. Build and demonstrate a weather station with rain gauge and wind indicators. What is wind chill and what effect does it have on inanimate objects? Explain why the sky is blue and then sometimes changes color.
Demonstrate how moisture or dust in the air can change apparent color of the atmosphere. Can you demonstrate how an undersea earthquake produces a tsunami? Build a working model that demonstrates the cause of earthquakes. Demonstrate which holds heat the longest, water or soil. Will different types of salt grow different kinds of crystals? Is there a relation between sunspot cycles and earthquake? What is the accuracy of Web-based Weather forecasting services? Build a working model of a device that indicates how level a surface is.
Perhaps it would make different tones when a bubble moved in a tube. Designing a strong bridge, an energy efficient home Comparing insulative properties of various natural and commercial insulators. Which are the best? Find the maximum speed in fiber optic links How does weight and shape affect the rate at which an object sinks? How can I build a home-made thermos bottle? What is the most efficient design for a windmill?
Which type of barrier is most effective in reducing highway noise? Design and construct a simple device to demonstrate hovercraft principles What is the effect of dampening on a shock absorber?
What is the strength of dome shaped eggshells as demonstrated by their weight bearing capacity? Is it to build a working water clock? Which style of roof truss is the strongest?
Which building design is best in withstanding an earthquake? Demonstrate how an AM radio detector can be constructed out of scrap materials and explain the function of the various components. Build a working model of a body temperature monitor and alarm. Might be great for hikers worried about hypothermia Can a small sensory robot be built for use on pavements and highways which will automatically search for and indicate when pavement or highway cracks of a certain size are found so they can be repaired?
Build a freeze alarm. The device would sound an alarm when the temperature dropped below 32 degrees F. Design A Electrically Driven Micrometer Why do the inside of cars get so hot in the sun and what are ways to reduce the heat? Is it possible to reduce noise by adding certain types of noise? What are the effects on dry wall thickness on sound transmission? Is it possible to eliminate foundation by temperature variation?
Is is possible to make a clothes dryer more efficient by using an air-to-air heat exchanger? Invent an electronic water usage monitor that could be easily attached to a shower head to help the user conserve water Build a wind energy monitor. The output signal from a simple wind speed meter anemometer would be fed to a computer that would calculate and plot the potential energy per unit area each day. Such a system might be useful to help define locations for wind energy farms.
Design considerations for "Solar Heated" homes Design considerations for "Solar-Cell" powered homes What are the best designs for propellers for wind generators? Production of electrical energy from mechanical sources Which substance is best to use in blocking floodwaters? Develop a shower water temperature monitor.
Such a device might help conserve energy Study of efficient home insulation. Which is the best? Illustrate a working model of an electrodeless sulfur lamp. Show how such lamps could save energy in home, office and street lighting needs The effect of landscaping and architecture on energy consumption.
What are the annual variations in the ecology of a body of water The study of the impact of pollution on an ecosystem A study of water pollution from feed lot farms Make your own aerogel cubes. Describe some uses for this new material Illustrate how glass foam might be used to make strong building materials with high insulation properties Tracing chemical e. DDT concentrations in successive food chain levels Ozone destruction experiments A study of air purification methods Come up with some non-chemical methods of purifying water.
Build a lawn moisture sensor. Tells you when it is time to water the lawn. Saveswater by not allowing sprinkler to turn on of the lawn is moist enough Demonstrate how sea wave action could be used to produce fresh water from sea water using reverse osmoses Build an energy monitor that displays gas and electricity usage. Unit connected to the power and gas meters. Maybe place the display next to the thermostat. Displays real time usage as well as weekly and monthly totals Efficient methods of breaking down crude oil in seawater Experimenting with microbial degradation of petroleum Experimenting with biodegradability Can Centrifugal Filtration Be Used to Remove Particles from Water Efficiently and Economically Find and ink that would decompose for recycling paper Rain- can you measure the speed and force of raindrops?
Use of solar energy- design and construct solar cookers, solar panels, etc. An analysis of exhaust emissions of cars as related to the size of cars and tune-up conditions How Carbon Dioxide Affects the Temperature of Air An analysis of carbon monoxide, oxides of nitrogen, and hydrocarbons in our ambient air.
How much air space maximizes insulation in various materials? Design, construction, and testing of a mechanical method of separating solid waste for recycling. The effect of air pollution on algae, protozoa, fish, insects or mosses and lichens What type of materials are strongest when they interact with acid rain?
Which material filters water the best? The effect of air pollution on algae, protozoa, fish, insects or mosses and lichens Does the amount of particle pollution vary with distance from a road, with location, with height. Determine types of particles found in pollution fallout Exploring methods of controlling erosion Is air in your house the same temperature at floor level and near the ceiling?
How could you spread heat more evenly through the house? Can magnetism be used to remove minerals from "hard" water? Research and demonstrate methods of pasteurizing or purifying water using only sunlight as the source of heat.
Is there a relationship between well water contamination and animal pens? How effective is lettuce as a bioassay medium for determining the toxicity of water contaminants?
What effect does water turbidity have on dissolved oxygen? What are the effects of biodegradable wastes on dissolved oxygen? From which direction does our area receive the most particulate air pollution? Does carbon dioxide contribute to warming in a closed environment? What aerosols are in the air and does air quality affect asthma rates? Research and experiment with different plants to see if any of them can be used as an indicator of air pollution. What are the effects on plant life when detergents are added to the soil?
Examine and compare the biodegradability of different soap powders. Compare the effects of Polyacrylamide vs. Polyacrylate on soil erosion. Which types of paper decompose the most rapidly when buried? What effect would an oil spill have on plant life? Demonstrate the greenhouse effect by measuring the temperature within a light trap box covered with glass or plastic. Does the pH of rainwater vary from place to place in our community? How does air pollution affect the growth of algae?
What are the effects of carbon dioxide on land plant life? What about water plant life? Are macroinvertebrates indicators of stream health? Can biomass be used to generate electricity by creating methane gas? Can soil besides a roadway be a health hazard? What are the best grasses to use to reduce the amount of soil in runoff?
How to different fabrics compare as barriers against UV radiation? Is is possible to use recycled newspaper to fertilize plants? Which enzyme works best to reduce grease in a grease trap? The mathematics of snowflakes Infinity comes in different "sizes". What does this mean? How can it be explained? Compare the mean, median and range of heights for males and females in your class. How will this compare to a class one year older? Demonstrate the bell shaped curved for random distribution Does a sphere hold a volume greater than the apparent volume of a cylinder?
Research, explain and demonstrate the use of fractals. Determine how the size of a statistical sample affects its accuracy. What equalities of lengths and angles are sufficient to prove two sets of four points quadrilaterals or quadrangles Build models showing that parallelograms with the same base and height have the same areas. Is there a 3-dimensional analogue? This can lead to a purely visual proof of the Pythagorean theorem, using a physical model based on dissections.
Consider tiling the plane using shapes of the same size. What's possible and what isn't? In particular it can be shown that any 4-sided shape can tile the plane. What about 5 sides? Make sketches in a geometry program Sketchpad, Cabri, or using Kali Investigate compass and straight-edge constructions - showing what's possible and discussing what's not.
Investigate constructions using origami paper folding. Can you construct all figures that are constructed with ruler and compass? Can you construct more figures? What is the fewest number of colors needed to color any map if the rule is that no two countries with a common border can have the same color.
Why is the proof interesting? What if Mars is also divided into areas so that these areas are owned by different countries on earth. They too are colored by the same rule but the areas there must be colored by the color of the country they belong to. How many colors are now needed?
Polyominoes are shapes made by connecting certain numbers of equal-sized squares together. How many different ones can be made from 2 squares? Investigate the shapes that polynominoes can make.
Investigate the creation of secret codes ciphers. Find out where they are used today! Look at their history. Build your own using prime numbers. Find out all you can about the Catalan Numbers, 1, 1, 2, 5, 14, 42, Build models to illustrate asymptotic results such as Stirling's formula or the prime number theorem. There is a well-known device for illustrating the binomial distribution.
Marbles are dropped through the top and encounter a number of pins before dropping into cells where they are distributed according to the binomial distribution. By changing the position of the pins one should be able to get other kinds of distributions bimodal, skewed, approximately rectangular, etc. Use Monte Carlo methods to find areas or to estimate pi. Rather than using random numbers, throw a bunch of small objects onto the required area and count the numbers of objects inside the area as a fraction of the total in the rectangular frame.
Look at the ways different bases are used in our culture and how they have been used in other cultures. Look at how other cultures have written their number systems.
Demonstrate how to add using the Mayan base 20, maybe compare to trying to add with Roman numerals is it even possible? Explore the history and use of the Abacus There are several methods of counting and calculating using your fingers and hands. Some of these methods are still in common usage. It's fun and convenient, yet the effects may cause far more carnage than we currently suspect. Especially when you see how it impacts our mitochondria, suggesting you may also be staring down the barrel at heart disease and neurological disorders.
For a successful transfusion, the donor and recipient blood type must match, or the donor must have type O blood. A recent discovery found a way to change type A to type O blood, which has compelling implications for emergency care. Fennel has been heralded for its multiple benefits for many years now. Tea made from fennel seeds has shown promise for helping ease certain conditions.
Here's why fennel tea may benefit you. A government study that was supposed to resolve the safety questions about BPA, aka bisphenol-A, an ingredient in plastics, is raising more questions than answers. Used medicinally to not only aid digestion, but also treat health problems including fever, diarrhea and vomiting - it's been prized for thousands of years in North Africa.
What's more, it's inexpensive, particularly when you follow these simple This unusual looking vegetable has been called a 'space cabbage,' and grows easily in your garden or containers, providing you with a tasty, fresh-picked, nutrient-dense treat. Here are tips to grow and harvest them spring through fall. A new study underscores previous findings that antibiotics are not a cure-all for children with coughs and respiratory infections.
Not only that, researchers found little evidence that they even reduce the risk of children ending up in the hospital, It seems too good to be true, but remarkably it taps into the same pain control centers as opioid pills, while also triggering the release of many other natural chemicals that make us feel more energized and sleep better.
Happiness often goes hand in hand with physical health, but researchers are trying to tease out whether or not being happy makes you healthier or just inspires you to live a healthier lifestyle.
Increasingly, the former seems to be the case, with Invigorating and relaxing, spearmint oil offers a wide range of benefits, such as helping ease headaches, alleviating nausea and more. Discover how you can safely and properly use this essential oil. While residents along the Carolina coasts rush to evacuate ahead of Hurricane Florence, hog farmers are in a race against time in an effort to keep their manure lagoons from flooding.
In a worst-case scenario, the lagoons could erode from the Incidence is on the rise in this country, where it affects about ,, and 12 million elsewhere. You can get sick directly from the bug bite, or indirectly. No need to be outdoors to be bitten, as they make themselves at home. Diabetes affects over 30 million people in this country alone, some of whom regulate their condition with oral medication.
A federal agency warns one medication may trigger a potentially fatal infection. I'll share methods to control the condition Earwax protects your ear canal and your hearing. However, an unrecognized buildup in the elderly may trigger serious problems, including increased cognitive decline. I'll share what not to do and how to clean your ears safely. Tai chi supporters say it can, and as a senior health writer for The New York Times found, this This one is amazingly versatile.
Is it part of your antitumor strategy? Chicken contaminated with E. New research was even able to confirm that people are A new record has been set for three common STDs, with millions of cases being reported. Gonorrhea, syphilis and chlamydia are all on the rise and becoming increasingly difficult to treat due to growing antibiotic resistance. Or, perhaps you should call it triple-dipping, as If you've heard the media circus over recent months, you may be questioning what the real truth is.
Let's take a peek behind the curtain and see what's really going on, so you can see beyond the propaganda - and not be led astray.
Due to the overprescribing of antibiotics and concerns about antibiotic resistance, health officials in England are proposing new guidelines promoting the use of honey as a first line of treatment for coughs.
Despite their lack of effectiveness for A probiotic blend with human origin is a good way to describe what in layman's terms may be better explained by simply calling it probiotic baby poop capsules. Far from being an attention grabber although it is that , this novel approach to gut Take this week's quiz to see how well you remember what you read on Mercola.
Shown to worsen asthma, heart problems, anxiety, MS, infertility and tinnitus, your blood sugar may even increase when unprotected from it. Many have seen improvement by installing one of these to remove this dirty substance from their environment. This ketogenic braised pork shanks recipe is a hearty and succulent dish that everyone will surely love. Try it now and warm your belly with every bite! Plantar fasciitis, which affects many people globally, causes inflammation to a major ligament found in your foot.