CFA 7a

In which phase of the model will an observer on Earth see a waxing crescent?

• Phase A

• Phase B

• Phase C

• Phase D

Tags

NGSS.MS-ESS1-1

The model shows the Moon at four different positions as it revolves around the Earth. Position A occurred on April 1, 2017. Which statement BEST describes the moon’s position in 14 days and why?

• Position A, a 1st Quarter moon, because the moon revolves around Earth about once every 28 days.

• Position B, a 3rd Quarter moon, because the moon revolves around Earth about once every 7 days.

• Position C, a full moon, because the moon revolves around Earth about once every 28 days.

• Position D, a new moon, because the moon revolves around Earth about once every 7 days.

Tags

NGSS.MS-ESS1-1

Use the diagram to answer the following question. Which letter indicates where the moon would be located during a lunar eclipse?

• M

• N

• O

• P

Tags

NGSS.MS-ESS1-1

Use the information and diagram to answer the following question.

The diagram is of the Sun, the Moon, and Earth. What event is shown in the diagram?

• full moon

• lunar eclipse

• solar eclipse

• crescent moon

Tags

NGSS.MS-ESS1-1

Use the diagram to answer the following question.

Which explanation BEST describes the event in the diagram?

• A lunar eclipse occurs when the Moon moves into Earth's shadow.

• A solar alignment occurs when the Sun, the Moon, and the Earth all appear in the same part of the sky.

• A lunar rotation occurs the moon orbits the Earth once every 27 days for the moon to rotate once on its axis.

• A solar eclipse occurs when the Moon passes in front of the Sun causing a shadow to fall on certain portions of the Earth.

Tags

NGSS.MS-ESS1-1

Why do the temperatures change over the months?

• Because Earth is tilted on its axis, the stars reflect more light during different times of the Earth's yearly orbit.

• Because the Sun is tilted on its axis, parts of Earth get more sunlight during different times of Earth's yearly orbit.

• Because the Moon is tilted on its axis, it reflects more sunlight on Earth during different times of Earth's yearly orbit.

• Because Earth is tilted on its axis, parts of Earth get more hours of sunlight during different times of Earth's yearly orbit.

Tags

NGSS.MS-ESS2-6

The diagram shows the Sun's rays lighting Earth's surface.

Which area of Earth is receiving the MOST heat from the Sun's rays?

• north of the equator

• south of the equator

• the South Pole

• the North Pole

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6