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

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.