Quiz about Earth Moon Sun Unit Review 24-25

Question 1

A rocky sphere that travels around a planet.

Accepted Answer

moon

Answer

star

Answer

sun

Answer

meteor

Question 2

The border between light and dark on the moon.

Accepted Answer

terminator

Answer

boundary

Answer

line of demarcation

Answer

edge

Question 3

To shine light on an object and make it visible.

Accepted Answer

illuminate

Answer

obscure

Answer

darken

Answer

ignite

Question 4

The star that is the main source of light at the center of our solar system.

Accepted Answer

sun

Answer

moon

Answer

planet

Answer

earth

Question 5

The relative size of things. When you make things smaller or bigger, but they are still proportional to each other.

Accepted Answer

scale

Answer

diagram

Answer

model

Answer

terminator

Question 6

An object, diagram, or computer program that helps us understand something by making it simpler or easier to see.

Accepted Answer

model

Answer

scale

Answer

diagram

Answer

terminator

Question 7

The shape of the illuminated part of the Moon as it appears from Earth.

Accepted Answer

moon phase

Answer

orbit

Answer

rotation

Answer

earth phase

Question 8

The moon is illuminated by the __________.

Accepted Answer

sun

Answer

light from within the moon

Answer

stars surrounding it

Answer

Earth

Question 9

When a model is to scale, object sizes and distances are _________________

Accepted Answer

smaller or bigger than in the real world, but the same relative to each other.

Answer

the same size as in the real world.

Answer

smaller or bigger than in the real world, but different relative to each other.

Answer

however you want them to be.

Question 10

The sun illuminates

Accepted Answer

half of the moon that is facing it. The other half is dark.

Answer

the whole moon.

Answer

none of the moon, because the moon makes its own light.

Answer

half of the moon that is not facing it. The other half is light.

Question 11

The nearly circular path a smaller object (like the Moon) travels around a larger object (like Earth).

Accepted Answer

orbit

Answer

pattern

Answer

terminator

Answer

gravity

Question 12

Something we observe to be similar over and over.

Accepted Answer

pattern

Answer

model

Answer

scale

Answer

orbit

Question 13

When the moon is completely dark.

Accepted Answer

lunar eclipse

Answer

solar eclipse

Answer

New Moon

Answer

Full Moon

Question 14

Could the half of the Moon that faces Earth ever be completely dark in any of these diagrams?

Accepted Answer

Yes, always in Diagram 2 and sometimes in Diagram 3.

Answer

No, the Moon is always lit by the sun.

Answer

Yes, always in Diagrams 2 and 3, but never in Diagram 1.

Answer

Yes, always in Diagram 2, but never in Diagrams 1 or 3.

Question 15

How does light travel?

Accepted Answer

Light travels in straight lines only.

Answer

Light travels like a river, wherever there is an open path.

Answer

Light travels in unpredictable ways.

Answer

It depends; if the light is bright enough it can change direction.

Question 16

Three students made the diagrams above to show what they think the Moon looks like when it is seen from above (top view). In these diagrams, the sunlight is coming from the left, as shown by the arrows. Which diagram is accurate and why?

Accepted Answer

Diagram C is accurate because the half of the Moon that is facing the sun is lit by the sun, and the other half is dark.

Answer

Diagram A is accurate because the whole Moon is bright as long as there are no shadows covering parts of it.

Answer

Diagram B is accurate because the Moon is almost as close as it can be to the sun, so the Moon is almost fully lit by the sun.

Answer

All three diagrams are sometimes accurate because the Moon has some lighter-colored rock and some darker-colored rock, and the half of the Moon with the lighter-colored rock rotates to face different directions.

Question 17

Someone said that light bent around a corner to reach an object. Is this possible?

Accepted Answer

No, light travels in straight lines only.

Answer

Yes, light travels like a river, wherever there is an open path.

Answer

Maybe; light travels in unpredictable ways.

Answer

Yes, if the light is bright enough, then it can change direction to go around corners.

Question 18

What is the main reason we can see the Moon at night?

Accepted Answer

The Moon reflects sunlight toward Earth.

Answer

The Moon glows because of heat from Earth's core.

Answer

The Moon is illuminated by electric lights on Earth.

Answer

The Moon produces its own light.

Earth Moon Sun Unit Review 24-25

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