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

This easy at-home experiment is a great way to "see" science.

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

This science fair project idea explores alcoholic fermentation at work by making your own soda.

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

Demonstrate how to tell the age of an egg without having to crack it open.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Determine whether butterflies like to drink sugar water, salt water, or plain water.