Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Discover whether cold or hot water from the faucet will boil faster on the stove.

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

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

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this project children practice the scientific method while playing with puffy paint.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

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

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This science experiment has students test whether a snail moves faster on concrete or dirt.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Test whether plants can grow without sunlight and water.

The objective of this science project is to determine the length of time for different seeds to germinate.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This science fair project idea investigates how magnetism can defy the force of gravity.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science fair project idea demonstrates that plants give off water.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.