This science fair project idea identifies trees using a dichotomous key.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.