Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Help your child plant a "tea garden": a garden made of herbs for making teas.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project examines how seeds hitchhike on animals and clothing.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Construct batteries that make electricity from fruits with this fun science fair project.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Find out whether matte or shiny nail polish lasts longer.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!