This science experiment tests if dog saliva can really help heal wounds.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Show your child how to write a diamante poem, which makes use of a simple structure and results in a diamond-shaped poem.

Transform that big batch of stuffing into a new dish to add some zest to your dinner with this leftover stuffing recipe.

Put a spin on traditional salad by tossing in a few toothpicks! You and your child will have a bast making these healthy, bite-sized treats.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Help your child craft her first pair of knitting needles out of recycled chopsticks!

Next time your child says he's bored, suggest a game of Toe Fencing! It's a silly and physical game that can be played anywhere, any time.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Getting kids to memorize their times tables can be worse than pulling teeth. Sweeten the deal with this activity that combines math and sugar.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Are you looking for a new way to help your fourth grader celebrate New Year's Day? Try this Flash Back Book!

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This activity is a great way to engage learners in Earth Day celebrations while cultivating skills around nonfiction comprehension and research writing.

Here's a fun activity that will have your child deciphering directions for sandwich making, and learning about sequence along the way!

Create your very own Sleep Book filled with a menagerie of made-up nonsense creatures and discover how different animals catch some zzz's.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.