Properties of Light (Textbook pages 109 & 110)

The three properties of light are ...

• light travels in all directions

• light travels in a straight line

• can be reflected

• can be melted

• can berefracted

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NGSS.MS-PS4-2

This diagram shows an investigation about the property of light.

What is the conclusion about the property of light investigated?

• Light travels in a straight line.

• Light travels in all directions.

• Light can be reflected.

• Light can be refracted.

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NGSS.MS-PS4-2

NGSS.MS-PS4-1

Which picture shows that light travels in a straight line?

• 
• 
• 

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NGSS.4-PS4-2

Choose the clarity of shadow casted by an OPAQUE object.

• None

• Less clear

• Clear

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NGSS.MS-PS4-2

Choose the clarity of shadow casted by a TRANSPARENT object.

• None

• Less clear

• Clear

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NGSS.MS-PS4-2

Choose the clarity of shadow casted by a TRANSLUCENT object.

• None

• Less clear

• Clear

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NGSS.MS-PS4-2

Compare the clarity of shadows formed between a translucent object and an opaque object.

• A translucent object forms a clearer shadow in comparison to an opaque object.

• An opaque object forms a less clearer shadow in comparison to a translucent object.

• An opaque object forms a clearer shadow in comparison to a translucent object.

Tags

NGSS.MS-PS4-2

What are the factors affecting the shape of shadows?

• Orientation of light source

• Orientation of object

• Position of light source

• Position of object

State the factors affecting the size of shadows.

• Distance between object and light source

• Distance between light source and screen

• Distance between object and screen

How can we increase the size of shadow?

______________ the distance between light source and object.

• Increase

• Decrease

• Maintain