Car cluttered with old maps now that you've adopted GPS technology? Upcycle them in this fun geography craft.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Practice math and social studies skills with this fun game based on the Battle of Lexington and Concord.

This activity with add some fun and education to long car trips. Perfect for family vacations!

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Liven up your sixth grader's study of world geography with these three fun challenges.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Next time you're headed out on the road with your fourth grader, try this alphabet-geography game that the whole family can play.

Help your kids put together a travel journal for your family's next vacation to get them reading, writing, and thinking about what's happening on the trip.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This science fair project will help students learn about non-vascular plants, such as mosses.

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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science project allows students to study the psychology of happiness.

Encourage your child to eat nutritiously by having them build this delicious summer fruit cone!

The project investigates which soft drink is worse for your teeth by observing the affect of soft drink on limestone.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Want a sugar-sculpted house, just like Hansel and Gretel found? Make a miniature version in this sweet geometry activity.