In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

Make math fun for your child by turning it into a game and challenging him to beat the calculator with this cool math race!

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

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.

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

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

This fun game helps children learn to estimate the most basic unit of time--a minute--without a clock.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Help your learner develop her fine motor and communication skills with this fun and festive fall activity.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Take the classic game to a new level, by including super fun directions inside the chalk-drawn boxes.

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

Get active at home by pretending to be different animals! Use this fun and engaging activity to move your body, get silly, and practice gross motor skills.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This variation of Duck, Duck, Goose is played in pairs, which means a lot more activity for participants!

Looking for a fun way for your child to practice the basics of addition, subtraction, and multiplication? Look no further than this fun card game!

In this science fair project, students use the streak test to tell minerals apart from each other.

Make your own dreidel from modeling clay with this Hannukah craft activity!

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

Make subtraction practice more fun with this outdoor review game that's great for beginning math learners and more advanced!

Help your second grader to a better understanding of how to count and represent money with age old game of tic-tac-toe.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

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

Make the most out of your next wait at the airport by playing Airport Lounge, a fun and creative game of storytelling and make-believe!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.