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.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.