Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This classic children's game demonstrates how sound travels through air vs. through a solid.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

In this design challenge, your child will create a parachute for a small toy using typical household items.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This science fair project idea explores how length affects the weight a bridge can hold.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.