Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Have your little astronaut create her own crater-filled moon with this fun craft project that encourages learning about the final frontier.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

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.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.