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

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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.

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!

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

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

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project idea investigates if fats add to the flavor of food.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

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

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

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

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.

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.

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.

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

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.

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

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

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

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!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.