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What makes stars twinkle?Featured science project
Have you ever wondered what makes a star twinkle? On the next clear night look at a bright star. How many blinks does it make in 10 seconds? Look at the moon, an airplane or a bright planet at night. Do these objects twinkle?
CategoryPhysics > Astronomy
Difficulty: Elementary school
How do oil spills affect marine life?Featured science project
To demonstrate what happens in an oil spill, fill a glass bottle two-thirds full of water. Add blue food coloring to make the "ocean."
CategoryChemistry > Environmental Pollution
Difficulty: Elementary school
Do detergents affect plant growth?
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.
CategoryChemistry > Environmental Pollution
Difficulty: Elementary school
What type of car anti-freeze is the most environment friendly?Featured science project
The purpose of this experiment was to determine which automobile anti-freeze is most biologically safe.
CategoryChemistry > Environmental Pollution
Difficulty: Elementary school
What is the greenhouse effect and how can we demonstrate it?
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.
CategoryChemistry > Environmental Pollution
Difficulty: Elementary school
How does acid rain affect the growth of plants?Featured science project
The purpose of this experiment was to determine to what degree acid rain affects the growth of certain plants.
CategoryBiology > Botany
Difficulty: Elementary school
What is the most efficient angle for windmill blades?Featured science project
My first hypothesis is that the closer the blade is to 45 degrees the more electricity the windmill will produce.
CategoryPhysics > Forces and Motion
Difficulty: Elementary school
How much space does trash occupy?
The amount of trash placed in landfills and sanitary dumps is a major concern. Let's look at how much space trash really occupies.
CategoryChemistry > Environmental Pollution
Difficulty: Elementary school
How to make a vegetable oil tanker
This activity shows you how to make an oil "tanker' which can be used to clean up a vegetable oil "spill".
CategoryChemistry > Environmental Pollution
Difficulty: Elementary school
What is the effect of water pollution on wildlife and human habitats?
There are a wide variety of pollutants that can affect water and the plants and animals that live in the water. This pollution can be divided into three groups: chemical pollution, thermal pollution, and ecological pollution. Since not all pollution is human produced students need to understand that there are sometimes "natural" reasons for some pollution.
CategoryEnvironmental Science > Water Pollution
Difficulty: Elementary school
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