Light Test

Students place a pencil in a glass of water as shown. The pencil in the water looks broken because (2009-7)

• water can dissolve pencils

• water is colder than air

• light bends when it enters the water

• light is absorbed when it hits the glass

Tags

NGSS.MS-PS4-2

Which of these correctly shows how light acts when it hits a mirror? (2008-35)

• F

• G

• H

• J

Tags

NGSS.MS-PS4-2

A person will see a flash of lightning before they hear the thunder that goes with it because (2003-14)

• the eye is quicker than the ear

• the thunder occurs much later than the lightning

• sound travels faster through the atmosphere than light

• light travels faster through the atmosphere than sound

Which of these does not emit light waves?

• A campfire

• The sun

• A light bulb

• The moon

By passing white light through a prism, you can tell (2003-31)

• that white light is actually a mixture of different colors

• the mass of the prism

• the original source of the light

• that blue light is brighter than white light

Which explains why the fork looks different under water? (2010-37)

• Light is refracted at an angle.

• The wavelength of light lengthens.

• Light cannot pass through the glass.

• The amount of light increases when going through water.

Tags

NGSS.MS-PS4-2

Which of these objects is translucent? (2009-30)

• a. A student's notebook

• b. A mirror on the bus

• c. A brick wall of the school

• d. A student's sunglass lenses

Tags

NGSS.MS-PS4-2

Two flashlights are turned on. The light rays they create are shown in the diagram. These light rays best illustrate that

• a. both rays are reflected

• b. both rays are refracted

• c. Ray 1 is reflected and Ray 2 is refracted

• d. Ray 1 is refracted and Ray 2 is reflected

Tags

NGSS.MS-PS4-2

Which object helps people understand what makes up white light?

• a. Barometer

• b. Prism

• c. Microscope

• d. Thermometer

Which of the following would reflect rather than refract light? (2005-2)

• a. Magnifying glass

• b. Mirror

• c. Prism

• d. Lens

Tags

NGSS.MS-PS4-2