In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

Start thinking about how the internet works by assembling an Ethernet cable of your own!

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

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

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!