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

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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.

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.

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

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

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.

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

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

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

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 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!

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

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.