Find out whether packaged seeds actually do expire in this new science fair project idea.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project examines how seeds hitchhike on animals and clothing.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

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

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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

This science fair project teaches students the differences between fruits and vegetables.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!