This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

How powerful is the reaction between baking soda and vinegar? Find out here!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

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

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

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.