Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Help your child celebrate the summer and the sun by making a sandy seascape.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Make a spring collage with your child to get them outside and those creative juices flowing!

Engineers in training can get started with this simple wheel-and-axle construction activity.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

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.

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

Make edible amber fossils with your second grader to explore the fascinating world of science!

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.