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.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

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

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project examines how seeds hitchhike on animals and clothing.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.