How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

This science fair project idea investigates how the shape of an object affects drag.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

The project researches how lubricants affect the mechanical advantage of a pulley.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

This science fair project idea investigates whether plants can survive being frozen.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Science fair project that determines how we can change potential energy into kinetic energy.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project idea raises awareness of a real ecological issue.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.