This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

In this science fair project, students make their own rain gauge to measure rainfall.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This basketball project explores the best way to make the perfect shot every time.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.