In this design challenge, your child will make a bottle rocket using typical household items.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This science fair project idea determines if the color of light affects the growth of plants.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science experiment tests if dog saliva can really help heal wounds.

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 activity your child will create their very own marble maze!

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

How well can people recall what they have observed. Test your knowledge in this fun experiment.