In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Use muffin tins to create a simple, affordable and fun game to help your child practice their vocabulary!

This science fair project idea determines the most effective method of preserving food.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Learn how to make a trick-or-treat bag for Halloween. See how to make a decorative trick-or-treat bag with this Halloween craft tutorial.

This science fair project teaches students the differences between fruits and vegetables.

In honor of Black History Month, this activity encourages your child to focus on African American inventors, and do a little inventing of his own.

This science fair project idea explores whether talking to a plant will help it grow.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Add negative and positive numbers in this fun math card game for fourth graders!

Spiders may be creepy, crawly and sometimes frightening, but not this little fella. He's fun to make and sure will cause a lot of giggling!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This sponge relay game is the perfect way to cool off and to keep kids' minds sharp this summer.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Capture a bit of magic with these mesmerizing ice balloons!