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

The goal of this project is to create an exciting topographical map out of dough.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

This science project teaches students to classify different shapes of leaves.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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!

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project idea explores the egg's thin membrane.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

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

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

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.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.