This classic children's game demonstrates how sound travels through air vs. through a solid.

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?

In this design challenge, your child will create a parachute for a small toy using typical household items.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea explores how length affects the weight a bridge can hold.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

This science fair project idea examines which type of insulation holds in the most heat.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.