In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.