How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Discover how and which salt melts ice the quickest.

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

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

This science fair project idea examines whether boys and girls differ in reflexes.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

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

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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.