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Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Test whether plants can grow without sunlight and water.

The objective of this science project is to determine the length of time for different seeds to germinate.

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

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

This science fair project will help students learn about non-vascular plants, such as mosses.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project teaches students about wilting and browning of salad greens.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.