Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

Using a toy race car kids create a visual model of the Doppler Effect.

Check out this cool science fair project on identifying rocks and minerals for kids.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.