This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

What happens when colored beams of light mix? You might be surprised.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

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!

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.