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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Here's a science activity to help your child investigate how seeds are designed to travel.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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.

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

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This science fair project teaches students about wilting and browning of salad greens.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.