Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Challenge your learner to design and build a city of their own in this creative engineering activity.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.