Discover whether a metal will expand under hot water.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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!

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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

In this project, you will observe and record changes in sunspots over two weeks.

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.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Engineers in training can get started with this simple wheel-and-axle construction activity.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

In this science fair project you will make a model of a cell membrane using very simple material.

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.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!