Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this activity, your child will be challenged to make a tower using paper cups.

In this fun experiment, we'll find out how color affects heat absorption!

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

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

In this activity your child will create their very own marble maze!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Start your toy engines -- this is going to be a fast and friction-filled race!

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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