Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Can cells be frozen? This science fair project provides information to answer this question.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

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

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project idea demonstrates how our fingers prune when in water.

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

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Find out which type of sponge holds the most water.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.