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Is your child a young ornithologist in the making?

Find out whether packaged seeds actually do expire in this new science fair project idea.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Learn about nature by making your own mini moss garden.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

Checkerboard play challenges students to use spatial reasoning and computational thinking.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

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.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

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

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.