Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

This science fair project idea determines what household items are good conductors of electricity.

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.

This science fair project idea determines what household items are good conductors of electricity.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Transform your uncomfortable wooden shoes into charming mini planters!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Test your friends to find out if you can replicate the placebo effect's incredible results.

Making your own glass cleaner is easy, effective and inexpensive!

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

The objective of this science project is to determine the length of time for different seeds to germinate.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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 teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Is your child a young ornithologist in the making?

How do organic materials become soil? This science experiment measures what materials biodegrade.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!