Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This simple experiment serves as an introduction to the greenhouse effect.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.