Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Discover whether cold or hot water from the faucet will boil faster on the stove.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

How powerful is the reaction between baking soda and vinegar? Find out here!

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea researches the effects of acid rain on plant growth.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

This science fair project investigates why the number of visible stars changes from place to place.

Do you think heat can affect a plant's growth rate?

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

The project is to investigate yeast fermentation and its results on hand of latex balloons.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.