Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

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

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

This project compares the strength of one, two, and three-ply toilet paper.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.