The ability to do work is called ________________.

• labor

• exhaustion

• energy

• transluscent

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Light travels at approximately ______ miles per second.

• 186,000

• 186,000,000

• 186

• 1, 860

An object that lets light pass through it completely is _________.

• opaque

• transparent

• transluscent

• refracted

Tags

NGSS.MS-PS4-2

An object that allows some, but not all light to pass through it, and one can not clearly see through it because it scatters some light is _____________.

• oblique

• transparent

• translucent

• refracted

Tags

NGSS.MS-PS4-2

An object that does not allow light to pass through it and may cause a shadow is ________________________.

• opaque

• transparent

• translucent

• refracted

Tags

NGSS.MS-PS4-2

The inventor of the light bulb was ______________.

• Alexander Graham Bell

• Cyrus Hall McCormick

• Thomas Edison

• Bill Gates

The colors of the visible spectrum in order are

• red, orange, yellow, green, violet, blue

• violet, blue, green, yellow, orange, red

• blue, green, yellow, red, orange, blue, violet

• red, orange, yellow, green, blue, violet

A mirror which bulges toward the viewer and makes things look smaller is a _________ mirror.

• convex

• concave

a mirror which bulges away from the viewer and makes things look bigger is a _______ mirror.

• convex

• concave

A lens which refracts light rays and brings them into focus is a ______ lens.

• convex

• concave

Tags

NGSS.MS-PS4-2