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In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Transform your uncomfortable wooden shoes into charming mini planters!

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

In this fun activity, your child will create their very own solar oven to bake s'mores!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this project students experiment with making music using only glasses of water.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

The purpose of this science fair project is to build a basic radio.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.