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Showing Results for how when : Page 3

One of the basic concepts in science is recognizing that all things can be classified as living or nonliving. In this lesson, your students will explore the characteristics of living and nonliving things with engaging hands-on activities.

Living or Nonliving? How to Tell

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

How Do Adaptations Help Animals Survive?

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

Make Your Own Cloud!

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

How Windy Is It? A Weather Science Experiment

Come on in, the water’s fun! In this activity, students see the water cycle in action with ordinary objects and learn the water the dinosaurs tasted is still around.

Got Water? How the Water Cycle Works

Meet the stratocumulus cloud, the kind of cloud that tend to gather in groups when a storm is on the way.

Stratocumulus Cloud

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.

Making Measurements: How Big is Your Hand?

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

Sunscreen Experiment

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

Temporary Art

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

Different Types of Rocks

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

Tawny Frogmouth

Meet the stratus cloud, a low-hanging kind of cloud that usually comes out when it rains, in this earth science worksheet.

Stratus Clouds

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

Take Science Home with Decomposition

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

Pineapple Enzyme

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

Does Hair Color Affect Static Electricity?

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.

Design Challenge: Egg Drop

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

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.

Warm, Warmer: How Does Exercise Change Body Temperature?

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

Water Pressure at Depth

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?

Sizing Up Marshmallows

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?

The Science Behind Keeping Flowers Fresh

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

Why Do Cats Purr?

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement!&nbsp;

Choosing Units of Motion: Customary Units #1

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

Does a Dark Fridge Prevent Food from Spoiling?

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

Mental Mix Up: Experimenting with Your Ability to Focus

It's pretty rare when a planet comes between Earth and the sun, but it happened on June 5, 2012. Learn about this mind-boggling event with this cool worksheet!

Venus Transit 2012

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The Ghost in the Tube

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

Whatever Floats Your Boat

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Growing Jack-o'-Lantern

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Barometric Pressure

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