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How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

This science fair project examines how seeds hitchhike on animals and clothing.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

In this project children practice the scientific method while playing with puffy paint.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

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

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Slip some science into storm watching with a homemade rain gauge!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

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.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Discover whether cold or hot water from the faucet will boil faster on the stove.