Shadows, Reflection and Refraction

What are shadows?

• Shadows are a type of light
• Shadows are a type of color
• Shadows are dark areas where light is blocked
• Shadows are a type of sound

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NGSS.4-PS4-2

How are shadows created?

• Shadows are created by light
• Shadows are created by darkness
• Shadows are created by color
• Shadows are created by objects blocking light

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What is light?

• A type of sound wave
• A type of matter
• A form of energy

• A type of heat

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NGSS.MS-PS4-2

What is reflection?

• The bouncing back of light when it hits a surface
• The absorption of light by a surface
• The refraction of light by a surface
• The transmission of light through a surface

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NGSS.MS-PS4-2

What are the light rays called when talking about reflection?

(a)  

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What type of object creates the best shadow?

• Opaque object
• Transparent object
• Translucent object

• Colorful object

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What creates the best reflection?

• Mirror
• Wood
• Plastic
• Metal

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What is refraction?

• The bending of light when it passes from one substance to another

• The process of light bouncing back when it hits a surface
• The process of light being absorbed by a surface
• The process of light being emitted from a source

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NGSS.MS-PS4-2

What is an example of refracted light?

• A rainbow
• A mirror reflection
• A shadow
• A light bulb

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NGSS.MS-PS4-2

What is an example of 2 substances that would cause refraction?

• Water and Air

• Iron and Wood
• Plastic and Paper
• Cotton and Silk

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NGSS.MS-PS4-2