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.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

In this science fair project, students test how objects float and sink in liquids of different densities.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This project investigates the affect of storage temperature on microwave popcorn.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Determine which material produces the strongest static charge.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.