Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

In this science fair project, students make their own rain gauge to measure rainfall.

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

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

In this design challenge, your child will make a bottle rocket using typical household items.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

Take a dive into the candy jar with this yummy science experiment.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

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

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Cleaning can be a chore, but not with this sudsy experiment!

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!