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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

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!

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Learn all about balance and motion as your child designs a corn maze!

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!