In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this activity, your child will be challenged to make a tower using paper cups.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?