Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Kids are acutely aware of what's "fair" and what's not. Here's a quirky way to teach your first grader the importance of voting and democracy.

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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

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.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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.

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.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.