2nd Semester Test

Which statement is the best description of the Milky Way galaxy?

• A collection of planets revolving around a black hole

• A group of planets revolving around a single star

• A collection of stars and gases with the Sun as its center

• A group of stars, dust, and planets held together by gravity

Tags

NGSS.MS-ESS1-2

Based on the data, what conclusion can the student make about these planets?

• Planets that have the shortest rotation period are closest to the Sun.

• The orbital period of a planet is related to its distance from the Sun.

• Planets that have the greatest orbital velocity are the farthest from the Sun.

• The rotation period of a planet is independent of its average distance from the Sun.

How do gas giants compare to the terrestrial planets?

• Gas giants are much larger

• Terrestrial planets are much smaller

• Gas giants are slightly larger

• Gas giants are slightly smaller

What does this model best show?

• The order of the planets

• How fast each of the planets rotates

• The distance between each planet and the Sun

• How large the planets are compared to each other

Tags

NGSS.MS-ESS1-3

Which of these provides the best evidence that the environment of Earth has changed over millions of years?

• Polished appearance of rock surfaces

• Marine fossils found in mountains

• Bones of animals found on the ground

Tags

NGSS.MS-ESS2-2

Where is the magnetic field of Earth strongest?

• Near the poles

• Near the Equator

• Earth has no magnetic field

How does the magnetosphere protect the Earth?

• The harmful charged particles released by the Sun are deflected by the magnetic field located in the magnetosphere, which protects the atmosphere and the inhabitants of Earth.

• The harmful charged particles released by Venus and Mars are deflected by the magnetic field located in the magnetosphere, which protects the atmosphere and the inhabitants of Earth.

• The harmful charged particles released by the Sun are absorbed by the magnetosphere and transferred to the Earth’s interior where they cannot harm the atmosphere or the inhabitants of Earth.

Which reason best accounts for the decrease in pollutants in the United States over the given time period?

• The consumption of resources in the United States decreased.

• Laws and policies were enacted that limited the output of certain pollutants.

• Corporations and citizens voluntarily reduced the output of certain pollutants.

• The population of the United States significantly decreased.

Tags

NGSS.MS-ESS3-4

The Haw River Watershed provides fresh water for people in eleven counties in North Carolina. A town along the Haw River decides to build a new drinking water facility in the watershed. The map shows four possible sites. Officials want a facility that will collect water containing the lowest concentrations of nitrates and phosphates. Which site should they choose?

• Site A

• Site B

• Site C

• Site D

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Humans can do many things to impact the environment. Which of these is an example of how humans negatively impact the environment?

• planting more trees

• burning less fossil fuel

• reducing beach erosion

• increasing water runoff

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-3