The Dynamic Earth

Which of the following is evidence that supports the idea of uniformitarianism?

• Flooding causes higher than normal erosion rates during wet years.

• Rates of soil erosion are much lower during droughts that last several years.

• Rates of soil erosion are much approximately the same over a period of many years.

• Flash floods cause erosion by washing away the top layer of soil in wet years.

Tags

NGSS.MS-ESS2-2

What factor(s) change a mountain's shape from jagged and high to round and lower over long periods of time?

• deposition

• weather and erosion

• movement of continents

• collisions between continental plantes

Tags

NGSS.MS-ESS2-2

What is a convection current?

• the transfer of energy by direct contact.

• the transfer of energy by the movement of matter

• the transfer of energy through a solid, such as Earth's crust

• the transfer of energy from a region of lower temperature to a region of higher temperature.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-6

True or False: Because we rarely witness dramatic changes to the Earth, we can conclude that the Earth is not changing very much.

• True

• False

Tags

NGSS.MS-ESS2-2

Which accurately describes the atmosphere?

• Composed of masses of air particles that are constantly circulating.
• Composed entirely of nitrogen and oxygen which react to form ozone.
• Comoposed of masses of air particles that move very little, if at all.
• Composed of several layers that increase in density as altitude increases.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Most of the mass in Earth's atmosphere is found:

• In the exosphere.

• In the stratosphere.

• In the thermosphere.

• In the troposphere.

Earth's atmosphere is made up of four different layers. In which of the following layer does virtually all of Earth's weather take place?

• Stratosphere
• Mesosphere
• Thermosphere
• Troposphere

Tags

NGSS.MS-ESS2-5

Which of the following describes all of the types of water found in the hydrosphere?

• all frozen water on the Earth
• all of the water on the Earth
• all of the fresh water on the Earth
• all of the water found on the surface of the continents

The rock, dust, soil, and minerals of the Earth's solid crust and outer mantle make up the ____

• Biosphere
• Geosphere
• Cryosphere
• Atmosphere

Tags

NGSS.MS-ESS2-1

If you climbed a mountain, how you you expect the temperature to change as you climbed higher?

• Temperature would increase

• Temperature would decrease

• Temperature would not change