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.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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

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

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

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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!

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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 science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

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.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This project examines whether people's taste perception is influenced by what they see.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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

What is a wedge? Kids find out by experimenting with different wedges in this simple 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.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

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

This science fair project will help students learn about non-vascular plants, such as mosses.

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.