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!

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Test whether plants can grow without sunlight and water.

Help your child learn about animal classification with this fun and delicious activity.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This science fair project idea provides evidence that air is everywhere and takes up space.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!