Earth Systems and Cycles

Which of the following best describes the Earth system?

• A system that only includes the atmosphere and hydrosphere.
• A system that only consists of living organisms.
• A closed system that does not exchange energy with its surroundings.
• A constant flow of matter through the four spheres.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What is the primary function of the biosphere?

• To support and contain living organisms.
• To contain the densest parts of Earth.
• To regulate the atmosphere.
• To store all Earth's water.

What is the significance of the atmosphere in the Earth system?

• It is solely responsible for the water cycle.
• It contains the densest parts of Earth.
• It is where all living organisms reside.
• It forms the outermost layer of gases around Earth.

Tags

NGSS.MS-ESS2-6

Which of the following best describes the hydrosphere?

• It is the layer of gases surrounding Earth.
• It includes water in any of its forms.
• It contains only liquid water.
• It consists only of freshwater sources.

Tags

NGSS.MS-ESS2-4

What is a key characteristic of the geosphere?

• It is the layer of gases surrounding Earth.
• It contains only liquid water.
• It includes the densest parts of Earth.
• It is solely composed of living organisms.

Tags

NGSS.MS-ESS2-1

What is an example of a closed system?

• A sealed jar of pickles that does not change its contents.
• A car engine that burns fuel and releases exhaust.
• A river that flows into the ocean.
• A forest ecosystem that interacts with its environment.

Which of the following statements accurately describes an open system?

• It does not exchange energy or matter with its surroundings.
• It only exchanges energy but not matter.
• It freely exchanges both energy and matter.
• It is completely isolated from external influences.

Tags

NGSS.MS-LS2-3

What happens to Earth's mass over time?

• It fluctuates significantly with climate changes.
• It remains constant despite some matter entering and escaping.
• It decreases as resources are consumed.
• It increases due to new resource creation.

Tags

NGSS.MS-PS1-5

Which of the following best describes the role of order in a system?

• Order is crucial as each process must be carried out in the same order.
• Order is unimportant; any sequence will work.
• Order only matters in closed-loop systems.
• Order can be changed at any time without consequences.

Tags

NGSS.MS-PS2-2

How does the concept of inputs and outputs apply to systems?

• Outputs must be greater than inputs.
• Inputs and outputs can include material, energy, or information.
• Outputs are always waste products.
• Inputs are irrelevant to the system's function.

Tags

NGSS.MS-LS2-3

NGSS.MS-PS3-4