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!

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!

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.

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

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Have your child kick off their summer vacation by making a miniature water slide!

This science fair project teaches students about wilting and browning of salad greens.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.