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.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

This science fair project investigates why the number of visible stars changes from place to place.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

This science fair project idea investigates if fats add to the flavor of food.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores the different properties of matter.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

Help your child make a beautiful homemade sandcastle that will last!

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Find out whether a longer airplane will fly farther or a wider paper airplane.

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!

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.