Showing Results for how when : Page 3

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Find out which kind of bubble wrap fares best when put in impact.

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

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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?

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

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