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Book Chapter |
Distances to stars and galaxies are so great that communicating the measurement in kilometers is cumbersome and difficult to comprehend. So, astronomers use a larger unit of measure called the “light year.” It is the…
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Book Chapter |
The purpose of this assessment probe is to elicit students’ ideas about plant growth. It specifically probes to find out if students think plants only grow if they are exposed to light.
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Book Chapter |
The purpose of this assessment probe is to elicit students’ ideas about reflection. The probe is designed to find out if students recognize that all objects we can see reflect some light. The probe is provided in…
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Book Chapter |
Color theory is the aspect of physics that can explain the colors on your computer screen or in your printer. Visible light can be split into different wavelength regions that are called colors. The color of an object…
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Book Chapter |
Color theory is an area of physics that can explain how the appearance of colors changes when colors are mixed, for example on a computer screen or with a printing press. Visible light can be divided into different…
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Book Chapter |
The guiding question of this investigation is, How does the distance between a light source and an object affect the amount of energy an object receives from the light source? In this lesson, the goal is to figure out…
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Shining a Light on the 'T' in STEM
Journal Article |
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Book Chapter |
In this chapter, leaving light behind you enter the world of slow-moving mollusks. A snail must get from one corner of a room (dimensions 5 m × 10 m × 15 m) to the diagonally opposite corner in the least time. The snail…
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Book Chapter |
This book starts with a rather simplistic view of what light is. This chapter starts with a simple explanation which will be easy to understand and it will explain quite a few things. Also, historically, it's the one…
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Book Chapter |
Light doesn't always travel in straight lines. It can bend around corners, just like sound. When it does change direction like this, you end up with light waves that originated from different places coming together at…
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Journal Article |
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Immerse Elementary Students in Light Explorations
Journal Article |
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Mechanoluminescence: Making Things Light Up
Book Chapter |
In this activity, students will see how applying a force to a Wint-O-Green Life Saver causes it to light up.
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Light and Color: I Wonder Why sample
Book Chapter |
This sample from Light and Color: I Wonder Why unfolds observations about light, interaction with the properties of light, and the effect of light on objects. By reading this sample, you’ll discover what we mean when…
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Lights Out! Zombie Apocalypse Flashlight
Book Chapter |
In this activity, students use some simple household items to design a working flashlight that can be operated with one hand. This selection highlights the physics concept of circuits, as well as the core engineering…
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