This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

This preschool activity uses paint chips to help your child learn about different shades of colors and how to find different colors in nature.

This fun and crafty activity is easy enough for your child to lend a helping hand and makes a great indoor or outdoor game.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This science fair project idea demonstrates that plants give off water.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Here's a simple science activity that will help your child better understand how wells bring us water.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea investigates the difference in reaction times between boys and girls.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Discover the wonders of simple clay by pressing flowers into a modeling medium!

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.