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.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this project, different brands of microwave popcorn are tested and compared.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!