EMS EOU Assessment (2/25)- Rhodes

Last updated almost 3 years ago

7 questions

1

3

Library

EMS EOU Assessment (2/25)- Rhodes

Last updated almost 3 years ago

7 questions

1

3

Tanisha says that the Moon looks dark from Earth when the Moon is in two different places: always when it is closest to the sun, as in Top View #1, and always when it is furthest from the sun, as in Top View #2.

Is Tanisha correct? If she is correct, explain why the Moon always looks dark from Earth in both of these positions. If she is incorrect, explain when the Moon looks dark from Earth and how the light on the Moon should look in each of Tanisha’s diagrams.

Written Response CFS:
Accurately identifies the position of the Moon to predict the correct Moon phase
Accurately describes the relationship between light and the appearance of illuminated objects
Accurately describes the relationship between the moons position and the appearance from Earth

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

Diagram A is accurate because the Moon is almost as far as it can be from the sun, so almost none of the Moon is lit by the sun.

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

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

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.

Astronomers made two observations of the Moon that were several days apart. Their observations are shown in the diagram above. The light part of the Moon appeared to get larger over time. Why did this happen?

Between the first observation and the second observation, the Moon rotated so that more of the light-colored rock on the Moon’s surface faced Earth.

Between the first observation and the second observation, the Moon moved so that the astronomers were able to see more of the half that faces the sun.

Between the first observation and the second observation, the Moon moved closer to the sun so more sunlight reached the Moon’s surface.

Between the first observation and the second observation, Earth moved so its shadow was blocking less of the Moon so the astronomers were able to see more of it.

The diagrams above show Earth and the Moon in different positions, as seen from above (top view). Sunlight is coming from the left, but these diagrams do not show what parts of Earth or the Moon are light or dark.

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

No, the Moon is always lit by the sun.

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

Yes, always in Diagram 3 and sometimes in Diagram 1.

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

Which of these things is true about the Moon?

The Moon is always moving around Earth in a circle.

The Moon is always in the same position in Earth’s sky.

The Moon is always moving in many changing patterns around Earth.

The Moon is always moving back and forth across Earth’s sky.

Suki looked up one night and saw a crescent moon.

If Suki looks for the Moon again in one month, what will he see?

Suki will see a crescent moon again, like Diagram A.

Suki will see a quarter moon, like Diagram B.

Suki could see either a crescent or a quarter moon; it depends on the time of year.

There’s no way to tell because the Moon’s pattern is always changing.

The diagram above shows Earth and the Moon from above (top view). Why is there a dotted circle drawn in this diagram?

To show that the Moon is always moving around Earth in a circle.

To show the locations of satellites that are in Earth’s atmosphere.

To show the way that the Moon can move back and forth across Earth’s sky.

To show the locations where the sun’s light can reach the Moon.

Tanisha says that the Moon looks dark from Earth when the Moon is in two different places: always when it is closest to the sun, as in Top View #1, and always when it is furthest from the sun, as in Top View #2.

Is Tanisha correct? If she is correct, explain why the Moon always looks dark from Earth in both of these positions. If she is incorrect, explain when the Moon looks dark from Earth and how the light on the Moon should look in each of Tanisha’s diagrams.

Written Response CFS:
Accurately identifies the position of the Moon to predict the correct Moon phase
Accurately describes the relationship between light and the appearance of illuminated objects
Accurately describes the relationship between the moons position and the appearance from Earth

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

Diagram A is accurate because the Moon is almost as far as it can be from the sun, so almost none of the Moon is lit by the sun.

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

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

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.

Astronomers made two observations of the Moon that were several days apart. Their observations are shown in the diagram above. The light part of the Moon appeared to get larger over time. Why did this happen?

Between the first observation and the second observation, the Moon rotated so that more of the light-colored rock on the Moon’s surface faced Earth.

Between the first observation and the second observation, the Moon moved so that the astronomers were able to see more of the half that faces the sun.

Between the first observation and the second observation, the Moon moved closer to the sun so more sunlight reached the Moon’s surface.

Between the first observation and the second observation, Earth moved so its shadow was blocking less of the Moon so the astronomers were able to see more of it.

The diagrams above show Earth and the Moon in different positions, as seen from above (top view). Sunlight is coming from the left, but these diagrams do not show what parts of Earth or the Moon are light or dark.

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

No, the Moon is always lit by the sun.

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

Yes, always in Diagram 3 and sometimes in Diagram 1.

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

Which of these things is true about the Moon?

The Moon is always moving around Earth in a circle.

The Moon is always in the same position in Earth’s sky.

The Moon is always moving in many changing patterns around Earth.

The Moon is always moving back and forth across Earth’s sky.

Suki looked up one night and saw a crescent moon.

If Suki looks for the Moon again in one month, what will he see?

Suki will see a crescent moon again, like Diagram A.

Suki will see a quarter moon, like Diagram B.

Suki could see either a crescent or a quarter moon; it depends on the time of year.

There’s no way to tell because the Moon’s pattern is always changing.

The diagram above shows Earth and the Moon from above (top view). Why is there a dotted circle drawn in this diagram?

To show that the Moon is always moving around Earth in a circle.

To show the locations of satellites that are in Earth’s atmosphere.

To show the way that the Moon can move back and forth across Earth’s sky.

To show the locations where the sun’s light can reach the Moon.

EMS EOU Assessment (2/25)- Rhodes

EMS EOU Assessment (2/25)- Rhodes

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

Astronomers made two observations of the Moon that were several days apart. Their observations are shown in the diagram above. The light part of the Moon appeared to get larger over time. Why did this happen?

Which of these things is true about the Moon?

Suki looked up one night and saw a crescent moon.If Suki looks for the Moon again in one month, what will he see?

The diagram above shows Earth and the Moon from above (top view). Why is there a dotted circle drawn in this diagram?

Suki looked up one night and saw a crescent moon.

If Suki looks for the Moon again in one month, what will he see?