Sept Lesson

Earth orbits the sun, yet the sun appears to move across Earth’s sky, rising in the east and setting in the west. What causes this apparent movement of the sun?

• Earth’s revolution on its axis approximately every 24 hours

• Earth’s rotation around the sun approximately every year

• Earth’s rotation on its axis approximately every 24 hours

• Earth’s revolution around the sun approximately every year

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NGSS.MS-ESS1-1

Luis is building a model to compare physical characteristics of the sun, Earth, and moon, including their sizes. Which table below shows models he should use to show accurately which is biggest, smallest, and in between?

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NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

Identify which of the following is a true statement about the physical characteristics of the sun?

• It is a huge hot ball of gases with no solid surface.

• It is a huge hot ball of gases with a rocky surface.

• It is a huge hot ball of gases with a surface covered in water.

• It is a huge hot ball of gases without an atmosphere.

What object does the moon revolve around as it goes through its phases?

• Earth

• its axis

• sun

• the equator

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NGSS.MS-ESS1-1

Hannah looks up at the moon at night and charts its appearance. She notes that the moon appears to change shape every few nights yet its features remain the same. Why would the moon’s surface features always look the same?

• All features on the moon look the same.

• The moon’s rotation distorts its features.

• Features on the moon’s surface never change.

• The same side of the moon always faces Earth.

Maurice collects data on changes in the appearance of the moon over a month’s time. He analyzes the data and identifies that the moon goes through its sequence of phases each month. Which phase takes place when the moon is directly between Earth and the sun?

• full moon

• new moon

• quarter moon

• crescent moon

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NGSS.MS-ESS1-1

Davonte looks at his calendar. He sees that tonight’s phase of the moon will be a new moon. Which will be the next phase he sees after the new moon?

• full moon

• first quarter

• third quarter

• another new moon

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NGSS.MS-ESS1-1

What does the arrow on the diagram show?

• why the planet has seasons

• why the planet has day and night

• the planet's gaseous composition

• the duration of the planet's period of revolution

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NGSS.MS-ESS1-1

About how long does it take the Moon to complete a full lunar cycle (that is, all of its phases)?

• a day

• a week

• a month

• a year

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NGSS.MS-ESS1-1

During a lunar eclipse, the _______ is in the shadow of the _______ .

• Sun, Earth

• Earth, Moon

• Moon, Sun

• Moon, Earth

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NGSS.MS-ESS1-1