NGSS.MS-PS4-2

A system of using reflected sound waves to detect and locate objects underwater is called

• sonar.
• acoustics.
• echolocation.
• reverberation.

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NGSS.MS-PS4-2

Based on the T-shirt pictured, which is true? 

• All colors are absorbed
• All colors are reflected
• Some colors are reflected and some are absorbed 
• A black T-shirt would keep someone 'cooler' in the summer than a white T-shirt

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NGSS.MS-PS4-2

When light bounces off a smooth surface, this is known as which of the following?

• reflection
• refraction
• absorption
• deflection

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NGSS.MS-PS4-2

Can travel through matter (gas, liquid, solid) but not space. 

• light
• sound

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NGSS.MS-PS4-2

S8P4d Which statement explains why a green leaf looks green?

• The leaf refracts sunlight, causing it to appear green

• The leaf diffracts sunlight, causing it to appear green

• The leaf reflects green light and absorbs other colors

• The leaf absorbs green light and reflects other colors

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NGSS.MS-PS4-2

The diagram below shows four light rays interacting with a material.

The material is transparent to which light ray?

• ray 1

• ray 2

• ray 3

• ray 4

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NGSS.MS-PS4-2

Why does an apple look red?

• because it absorbs red light and reflects white light

• because it absorbs red light waves and reflects the others

• because it absorbs all colors of light

• because it reflects red light waves and absorbs the others

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NGSS.MS-PS4-2

When light waves move from passing through air to passing through a glass lens when happens to them?

• They slow down and change direction

• They speed up and change direction

• They maintain the same speed and change direction

• They maintain their same speed and direction

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NGSS.MS-PS4-2

The diagram shows sound and light waves from an emergency vehicle traveling toward a brick wall. The brick wall has both smooth and rough surfaces.

The light waves from the emergency vehicle will _______ the smooth surface of the wall.

• only reflect off

• only pass through

• pass through and reflect off

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NGSS.MS-PS4-2

A mirror is

• opaque.

• transparent

• translucent.

• flexible

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NGSS.MS-PS4-2