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This workbook explores the myths, science, and history of our efforts to understand the skies with light reading. Introduce kids to gravity, moon phases and stars with basic activities and stories.

Skywatchers

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Discovering the Best Water for Plants

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Why Is the Sky Blue?

Star light, star bright! Teach students all about constellations and earth movement with this engaging science lesson plan. Broken out over several days, this unit encourages students to research and report on a constellation.

Star Unit

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

3-D Model of the Sun

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Making Glass Invisible

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Recycling Christmas Lights

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

What Causes the Seasons to Change?

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Triboluminescence Experiment

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Complete Circuit: How Does a Flashlight Work?

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

How to use Colored Filters to Send Secret Messages

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

What Causes Dilated Pupils?

Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

Reflected Surfaces

This science fair project investigates why the number of visible stars changes from place to place.

Stars In The Sky

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Grass Turning Yellow: Chlorosis

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Animal Vision: Ocelli, Compound Eyes, and Camera Eyes

Help young learners discover why cat&Atilde;s eyes glow in the dark with this simple experiment

Glowing Eyes

It's a bird! It's a plane! It's Physics Man! Test your knowledge of the physical world with this fun questionnaire that takes physics to a super-heroic level.

Superhero Physics

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.

Shadow Science: What Makes Shade Shift?

What heats up faster&acirc;water or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Specific Heat of Water vs. Specific Heat of Sand

This science fair project idea studies  which brand of wintergreen candy produces the most sparks in the dark.

Which Wintergreen Candy Sparks the Brightest in the Dark?

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

The Drawbacks of an Optical Mouse

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?

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Echoes: How Sound Waves are Reflected and Absorbed

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Ew... Brown Guacamole!

This science fair project idea  investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Let The Sun Shine In!

Fun facts make typing fun, too, in this installment of our Typing Paragraphs for Accuracy Series. 

Typing Paragraphs for Accuracy: Fun Facts Surfing

What cause the phases of the moon? Make a  model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

What Causes the Phases of the Moon?

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Explore the Phases of the Moon

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Rainbow in a Jar

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