Identify: Which structure of the ear in the diagram above converts sound waves to nerve signals that the brain can interpret?

• I

• II

• III

• IV

Sequence: Sound waves move through materials at different speeds. Select the answer which orders the materials by the comparative speed at which sound travels through, from slowest to fastest. FSAS SC.7.P.10.3

• air 0°C – air 20°C – water 20°C – ice 0°C

• ice 0°C – water 20°C – air 20°C – air 0°C

• air 20°C – water 20°C – air 0°C – ice 0°C

• ice 0°C – air 0°C – air 20°C – water 20°C

A student is standing a distance of 4 m from the school bell. If the student moves to a distance of 20 m away, what fraction of the original intensity of the bell’s sound will the student hear?

• 1/5

• 1/15

• 1/20

• 1/25

Examine the image. Analyze: Which electromagnetic waves have less energy than visible light?

• ultraviolet waves and X-rays

• radio waves and microwaves

• microwaves and ultraviolet waves

• gamma rays and infrared waves

Identify: When light waves interact with an opaque object, the energy of the wave is

• reflected.

• refracted.

• transmitted.

• absorbed.

Tags

NGSS.MS-PS4-2

Identify: Which part of the eye bends light rays as the rays enter the eye?

• 1

• 2

• 3

• 4

When you enter a room filled with many hard surfaces and start talking, your voice echoes all around you. This is most similar to which interaction of light and matter?

• scattering

• refraction

• reflection

• transmission

Tags

NGSS.MS-PS4-2

Examine the image. Analyze: The image created by the lens in the diagram above will most likely be.

• smaller and upside down.

• smaller and right-side-up.

• larger and upside down.

• larger and right-side-up.

Which sequence provides the correct order in which light travels through the eye?

• cornea ➔ lens ➔ retina

• retina ➔ lens ➔ cornea

• lens ➔ retina ➔ cornea

• cornea ➔ retina ➔ lens

Tags

NGSS.MS-PS4-2

What part of the ear collects sound from our surroundings?

• I

• II

• III

• IV