Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

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

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Cleaning can be a chore, but not with this sudsy experiment!

Make sourdough bread...and learn some colonial history and modern science in the process!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.