This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

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!

In this experiment you will replicate the mummification process by making a hot dog mummy.

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

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

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

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 science fair project idea investigates if fats add to the flavor of food.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea demonstrates that plants give off water.

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

This science fair project teaches students the differences between fruits and vegetables.

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