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Unit 3 Practice - Light & Optics - Part 1

Authored by Callahan Weller

Science

8th Grade

NGSS covered

Used 8+ times

Unit 3 Practice - Light & Optics - Part 1
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22 questions

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1.

MATCH QUESTION

5 mins • 5 pts

Match the following terms related to Telescopes

objective lens

found in both refracting and reflecting telescopes

objective mirror

concave object found in a reflecting telescope

objective mirror

collects and focusses light in a reflecting telescope

eyepiece lens

collects and focusses light in a refracting telescope

Tags

NGSS.MS-PS4-2

2.

MATCH QUESTION

5 mins • 6 pts

Match the following

concave mirror

curves inward

iris

path from the retina to the brain

prism

bulges outward

convex mirror

glass blocks that separate white light into its individual colours

optic nerve

controls the size of the pupil

Tags

NGSS.MS-LS1-8

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mona thinks she is seeing things. She tries to sleep at camp but is convinced she sees a fairy that emits a pink light every once in awhile as it flies. You tell her some living creatures produce a special type of light called ...

incandescence

fluorescence

chemiluminescence

bioluminescence

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not an example of a luminous object?

the Sun

the Earth

a candle

a flashlight

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A good example of an opaque object is ...

the windshield of a car

a plastic sandwich bag

aluminum foil

a glass window

Tags

NGSS.MS-PS4-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A good example of a translucent object is ...

the windshield of a car

wax paper

a glass window

aluminum foil

Tags

NGSS.MS-PS4-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A good example of a transparent object is ...

wax paper

frosted glass

plain white paper

plastic wrap

Tags

NGSS.MS-PS4-2

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