Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

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

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

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.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Science fair project in which you will start a fire from scratch without using matches or a lighter.

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This project investigates the affect of storage temperature on microwave popcorn.