MNK cheat .

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 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.

• L

Leticia is a space scientist who made this diagram of the Moon and Earth as seen from above (top view), with sunlight coming from the left, as shown by the arrows. Why does Leticia’s diagram show that it’s brighter on the left half of the Moon?

• Because Leticia’s diagram is showing that the half of the Moon that is facing the sun is lit by the sun, and the other half is dark.

• L

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

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

  No, light travels in straight lines only.

• t

Tania went outside and made two observations of the Moon that were several days apart. Her 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 moved so that Tania was able to see more of the half that faces the sun.

• x

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.

• l

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 moved so that the astronomers were able to see more of the half that faces the sun.

• no

An artist took two photographs of the Moon that were several days apart. Images that look like his photographs are shown above. The light part of the Moon appeared to get smaller over time. Why did this happen?

• Between the first photograph and the second photograph, the Moon moved so that the artist could see less of the half that faces the sun.

• k

What is true about the sun and the moon?

• The sun illuminates the half of the Moon that is facing it, and the other half is dark.

• l

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?

• 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.

• l

the border between light and dark on the Moon

• terminator

• l