CBA review

A student viewed the moon through binoculars three weeks after a new moon. Which image shows the phase of the moon that the student observed?

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Answer explanation

Remember, The moon has light on the right side while waxing. New moon to Full moon phases.

Tags

NGSS.MS-ESS1-1

Rift valleys can form when fractures in Earth’s crust widen. The valley walls slowly move at a rate of only a few millimeters a year. Which of these best describes the type of tectonic activity that forms rift valleys?

• Rift valleys form where a continental plate moves under an oceanic plate.

• Rift valleys form where a plate slides horizontally past another plate.

• Rift valleys form where two plates move away from each other.

• Rift valleys form where an oceanic plate moves under another oceanic plate.

Answer explanation

Remember that a Rift Valley is a Divergent Boundary Feature.

Tags

NGSS.MS-ESS2-2

Which of the following diagrams shows the next four moon phases in the correct order?

• F

• G

• H

• J

Tags

NGSS.MS-ESS1-1

The satellite image below shows a portion of the Namib Desert in Africa. This is an ancient, sandy desert with dunes that can be up to 305 m tall. The Namib Desert extends inland from the Atlantic Ocean between 80 km and 200 km and receives only 5 mm to 76 mm of rain each year.

A satellite picture of this same area taken weeks before shows that the shape and location of some sand dunes have changed. Which of these most likely caused the changes in the dunes?

• Ocean Waves

• Flowing Rivers

• Blowing Winds

• Crustal Uplift

Which statement best describes conditions for Earth during winter?

• There are an equal number of hours of daylight and nighttime in the Northern Hemisphere, and the North Pole is tilted away from the sun

• The Northern Hemisphere has the fewest hours of daylight, and Earth’s axis does not tilt at this position.

• There are an equal number of hours of daylight and nighttime in the Northern Hemisphere because Earth’s axis is not tilted in this position.

• The Northern Hemisphere has the fewest hours of daylight, and the North Pole is tilted away from the sun.

Tags

NGSS.MS-ESS1-1

Based on the map, volcanic activity would most likely be found at —

• Location W

• Location X

• Location Y

• Location Z

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

If there is a third-quarter moon on July 2, what is the approximate date of the next full moon?

• July 9

• July 16

• July 23

• July 30

Tags

NGSS.MS-ESS1-1

A student notices that the moon is full one evening. Which sequence of moon phases will the student observe over the next eight days?

• Full, waning gibbous, third quarter

• Full, waning gibbous, first quarter, waning crescent

• Full, new, waning gibbous

• Full, waxing gibbous, new, waning crescent

Tags

NGSS.MS-ESS1-1

The beginning of autumn in North America is in September, but the beginning of autumn in South America is in March. The diagram shows the positions of Earth, the moon, and the sun on one day in September and one day in March.

Why does autumn start in different months of the year in North America and South America?

• Earth’s orbit around the sun is not a perfect circle.

• North America has a larger landmass than South America.

• The moon has a greater pull on South America than on North America.

• Earth’s axis has a 23.5° tilt.

Tags

NGSS.MS-ESS1-1

Which statement describes the geologic process that is most likely responsible for the formation of mountains?

• They are along a transform plate boundary that is no longer active, so erosion is creating deep valleys.

• They are along a transform plate boundary in which plates are currently moving side by side, causing earthquakes and faults.

• They are along a plate boundary in which plates are currently converging, causing uplift and steep slopes.

• They are along a plate boundary in which plates diverged in the distant past, allowing new rock to build up.

Tags

NGSS.MS-ESS2-2