The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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.

In this science fair project, students create their own miniature salt flats at home.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.