This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

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

Plants and light seem to be good buddies, but how far does the friendship really go?

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 explores whether talking to a plant will help it grow.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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