In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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.

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.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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

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!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

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

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

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.

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

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

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.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.