Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.