Showing Results for science expanders : Page 2

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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!

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

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

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.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

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

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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.

Start your toy engines -- this is going to be a fast and friction-filled race!