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This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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.

This science fair project idea explores how length affects the weight a bridge can hold.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

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.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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.

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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.

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

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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

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

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

Use pepper and soap to discover some fun facts about the properties of water.