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In this science fair project, young children discover what happens when two fluids that have different densities get together.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.