What does the symbol c represent in a physics equation?

• speed of light in a vacuum

• speed of sound in a solid

• the intensity of light

• the inverse square

Tags

NGSS.HS-PS4-3

Bends the path of light as the light passes through a boundary between different materials.

• reflected

• intensity

• refracted

• inverse

Tags

NGSS.MS-PS4-2

What happens during a solar eclipse?

• the sun's shadow falls on the moon

• the moon's shadow falls on earth

• the earth's shadow falls on the moon

• the sun's shadow falls on the earth

Tags

NGSS.MS-ESS1-1

What happens during a lunar eclipse?

• the earth's shadow falls on the moon

• the moon's shadow falls on the earth

• the sun's shadow falls on the moon

• the sun's shadow falls on the earth

Tags

NGSS.MS-ESS1-1

The brightness of light is measured as ---

• inverse square

• area and radius

• intensity

• reflection

As the distance from a light source decreases, the intensity ____.

• increases

• decreases

A shadow is direct evidence of which property of light?

• Light travels faster than anything

• Light travels in a straight line

• Light has particle and wave behavior

• Light carries energy

An image has a different apparent size than an object.

• magnification

• reflection

• transparency

• opaque

Type of reflection that occurs on non-shiny surfaces.

• specular

• diffuse

• opaque

• inverse

Tags

NGSS.MS-PS4-2

In a solar eclipse, what order are the objects?

• sun - earth - moon

• earth - sun - moon

• earth - moon - sun

Tags

NGSS.MS-ESS1-1