In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

In this fun activity, your child will create their very own solar oven to bake s'mores!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This classic children's game demonstrates how sound travels through air vs. through a solid.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.