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.

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.

Try to pop other opponents balloons while trying to protect your own. This exciting game is sure to be a hit with the kids at your next party!

Capture a bit of magic with these mesmerizing ice balloons!

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

How many ways can Christmas fun "add up"? Download this fourth grade math worksheet and find out!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

With this fun and easy method of printing your child will draw patterns, trace them with yarn, paint and press their very own masterpieces.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Develop your child's hand-eye coordination in a fun and engaging way by challenging her to a game of Drop Catch.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Looking for a simple, yet unique writing activity for your child on Valentine's Day? Try a hand at haiku!

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.