Unit 8 Light

Which behavior of light allows light to pass straight through an object?

• Transmission

• Reflection

• Refraction

• Absorption

Tags

NGSS.MS-PS4-2

The types of energy on the electromagnetic spectrum are defined by

• color

• atomic structure

• amplitude

• wavelength

Tags

NGSS.HS-PS4-1

How do lenses correct vision?

• Bend light to focus on the retina

• Bend the cornea to focus light

• Reflect light toward the retina

• Reflect light away from the retina

Which behavior of light is represented in the diagram?

• Transmission

• Reflection

• Refraction

• Absorption

Answer explanation

Light bends as it enters a new medium and changes speed

Tags

NGSS.MS-PS4-2

A light year is based on

• speed

• acceleration

• distance

• time

Answer explanation

A light year is defined at the distance light travels in a year.

The amplitude of a light wave is the

• length between 2 crests or 2 troughs

• time for the wave to pass a given point

• number of cycles in a given amount of time

• height of the wave

Answer explanation

Amplitude is measured from rest to crest or rest to trough

Tags

NGSS.MS-PS4-1

Light is defined as

• a wave

• a particle

• both a wave and a particle

• neither a wave or a particle

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is an electromagnetic wave?

• wave of electric fields

• wave of magnetic fields

• wave of electric and magnetic fields

Tags

NGSS.HS-PS4-3

Where does most of the energy for Earth come from?

• Inside the Earth

• Sun

• Moon

• Proxima Centuri

Tags

NGSS.MS-ESS2-4

What is the visible part of the electromagnetic spectrum?

• gamma rays

• radio waves

• UV rays

• color