Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

I scream, you scream, we all scream for homemade spearmint ice cream!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Slip some science into storm watching with a homemade rain gauge!

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Help your child celebrate the summer and the sun by making a sandy seascape.