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Plants grow by using water and the sun to make food. We are trying to find out if different types of detergents will affect the growth on a plant. This experiment, if done properly, will give us the answers we're looking for.
Difficulty: Elementary school
The purpose of this experiment was to determine which automobile anti-freeze is most biologically safe.
Difficulty: Elementary school
This simple experiment serves as an introduction to the greenhouse effect. Students can see for themselves the effects of a greenhouse, and relate this understanding to what occurs in our atmosphere.
Difficulty: Elementary school
Just about everything has potential energy stored in it. The problem is releasing that energy to be able to do some work.A tiny peanut contains stored chemical energy. When we eat them, the stored energy is converted by our bodies so we can do work. We can also use the energy in a peanut to heat a container of water.
Difficulty: Elementary school
Do different brands of popcorn leave different amounts of unpopped kernels?
Difficulty: Elementary school
Since there is a lot of liquid juice in an orange, our hypothesis states that there will be 50% or more water in an orange.
Difficulty: Elementary school
I wanted to develop a hands-on activity related to my field of interest -- civil engineering with an emphasis in pavement and materials. Asphalt cookies were the perfect solution. Asphalt cookies are chocolate no-bake cookies. The process of making these cookies parallels the procedures used to produce asphalt pavements.
Difficulty: Elementary school
Use baking soda and vinegar to create a chemical reaction which launches a rocket (a film canister) sky high.
Difficulty: Elementary school
The purpose of this experiment is to examine how differences in surfaces affect the adhesion of several brands of tape. This experiment will show which brand of tape works the best, and on which type of surface they stick to the best. Based on information known, the tape will stick better to the dryer surfaces, and the less slippery.
Difficulty: Elementary school
You can create quite a fizzle by mixing baking soda/sodium bicarbonate - a base with vinegar/acetic acid. Well.. it's theoretically 'edible' but I wouldn't recommend tasting it (yuck!).
Difficulty: Elementary school
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