What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

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

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this experiment we will be determining whether birds prefer certain colors of seed.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This science fair project idea compares biodiversity between drops of water.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Cleaning can be a chore, but not with this sudsy experiment!

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This project determines what category of person is most likely to be ticklish.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This science fair project idea examines the reason boats are shaped and engineered.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!