In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Help your kindergarten science maven explore the water cycle without getting everything wet.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

The goal of this project is to create an exciting topographical map out of dough.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

Take a dive into the candy jar with this yummy science experiment.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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

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

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.