This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.