Eclipses and Lunar Phases

The moon revolves around Earth. The moon travels at a speed of about 1 km/s. What keeps the moon in orbit around Earth?

• Gravity

• Magnetism

• ocean tides

• nuclear fusion

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Each lunar cycle has one full moon, in which the relative positions of Earth, the sun, and the moon form in a straight line. Which list represents the position of Earth, the sun, and the moon during a full moon?

• Earth, sun, moon

• sun, moon, Earth

• moon, sun, Earth

• sun, Earth, moon

Tags

NGSS.MS-ESS1-1

Sarah observed the appearance of the moon every week for a month. She sketched her observations. Which diagram best shows how the moon’s appearance could have changed during the month Sarah performed her investigation?

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Tags

NGSS.MS-ESS1-1

Approximately how much time has passed

between a new moon and quarter moon?

• 3 days

• 7 days

• 14 days

• 28 days

Tags

NGSS.MS-ESS1-1

Why does the moon appear to change its shape

as seen from Earth?

• The moon moves farther and then closer to Earth.

• Different parts of the moon are lit as the moon rotates.

• The sun lights different parts of the moon during different seasons.

• Different parts of the sunlit moon become visible as the moon revolves around the Earth.

Tags

NGSS.MS-ESS1-1

Sometimes the moon looks like a crescent. At other times, the moon looks like a half circle. What makes it possible to see the surface of the moon from Earth?

• The moon gives off its own light.

• Light from Earth is reflected by the moon’s surface.

• Light from the sun is reflected by the moon’s surface.

• The moon absorbs sunlight during the day and glows at night.

Tags

NGSS.MS-ESS1-1

A student observes a shadow move across the sun during a solar eclipse. Which list represents the position of Earth, the sun, and the moon during this event?

• Earth, sun, moon

• sun, moon, Earth

• moon, sun, Earth

• sun, Earth, moon

Tags

NGSS.MS-ESS1-1

Is the moon closer or farther away from earth during a total solar eclipse than when during an annular solar eclipse? (One word answer only)

Tags

NGSS.MS-ESS1-1

Trevor lives in an area that experiences the penumbra of a solar eclipse. Jen lives in an area that experiences the umbra of the eclipse. Will Jen's view be darker or lighter than Trevor's view? (One word answer only)

Tags

NGSS.MS-ESS1-1