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Which correctly shows how light acts when it hits a mirror?

• F

• G

• H

• J

Tags

NGSS.MS-PS4-2

During a thunderstorm, you see lightning before you hear thunder. This is because-

• light has a greater mass than sound

• sound has longer wavelengths than light

• light travels faster than sound

• sound and light travel at the same speed

Which number on the diagram shows wavelength?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS4-1

Which is the best observation of refraction of light?

• looking in a mirror

• looking at a shadow

• looking at an object through a window

• viewing an object partially in water

Tags

NGSS.MS-PS4-2

The conclusion that can be made from this investigation is that light travels in a (a)  

• Light travels in parallel

• Light travels in a straight line

• Light cannot pass through and opaqu

• Light cannot bend

Tags

NGSS.MS-PS4-2

Which color has the shortest wavelength and highest frequency?

When light hits off an object, the rays can pass through it, bounce off of it, or be absorbed. Light rays that bounce back are-

• radiant

• reflected

• refracted

• radar

Tags

NGSS.MS-PS4-2

What object helps people understand what makes up white light?

• barometer

• prism

• microscope

• telescope

Tags

NGSS.MS-PS4-2

A shiny aluminum screen can be placed on the windshield of a parked car. It keeps the car cool because it-

• reflects sunlight

• absorbs heat

• causes evaporation

• conducts electricity

Tags

NGSS.MS-PS3-3

NGSS.MS-PS4-2

Which color in the visible spectrum has the longest wavelength?

• red

• orange

• yellow

• violet