Science 8.11A Review Quizizz

What effect do volcanic eruptions have on the climate?

• They always increase global temperatures.

• They can cool the area by blocking incoming solar radiation.

• They have no effect on the climate.

• They only affect the climate in the Southern Hemisphere.

Answer explanation

Volcanic eruptions can release ash and sulfur dioxide into the atmosphere, which can block sunlight and lead to cooling in the affected areas. This is why the correct choice is that they can cool the area by blocking incoming solar radiation.

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NGSS.MS-ESS2-2

Which gases are released during volcanic eruptions?

• Oxygen and nitrogen

• Helium and neon

• Sulfur dioxide, carbon dioxide, hydrogen sulfide, and hydrogen halides

• Argon and krypton

Answer explanation

During volcanic eruptions, gases such as sulfur dioxide, carbon dioxide, hydrogen sulfide, and hydrogen halides are released. These gases are significant contributors to volcanic emissions, unlike the other options listed.

What is one impact of meteor impacts on the environment?

• Increase in photosynthesis

• Decrease in temperature and blocking of light

• Increase in agricultural productivity

• Increase in oxygen levels

Answer explanation

Meteor impacts can eject dust and debris into the atmosphere, leading to a decrease in temperature and blocking sunlight. This can disrupt photosynthesis and alter ecosystems significantly.

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NGSS.MS-ESS2-2

NGSS.MS-LS2-4

What can abrupt changes in ocean currents cause?

• Stabilization of weather patterns

• Decrease in sea levels

• Increase in extreme weather, such as flooding and droughts

• Increase in polar ice caps

Answer explanation

Abrupt changes in ocean currents can disrupt climate systems, leading to an increase in extreme weather events like flooding and droughts. This is due to altered heat distribution and moisture levels in the atmosphere.

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

What role do greenhouse gases play in the atmosphere?

• They cool the Earth's surface.

• They trap heat and re-radiate it back to Earth's surface.

• They have no effect on Earth's temperature.

• They only affect the ozone layer.

Answer explanation

Greenhouse gases trap heat in the atmosphere and re-radiate it back to the Earth's surface, which helps maintain the planet's temperature. This process is essential for sustaining life, unlike the other options presented.

Tags

NGSS.MS-ESS3-5

Which of the following is a natural source of carbon dioxide?

• Industrial waste

• Respiration and volcanic activity

• Combustion of fossil fuels

• Refrigeration systems

Answer explanation

Respiration and volcanic activity are natural processes that release carbon dioxide into the atmosphere. In contrast, industrial waste, fossil fuel combustion, and refrigeration systems are human-made sources.

What is a man-made source of greenhouse gases?

• Methane from wetlands

• Nitrous oxide from soil decay

• Fluorinated gases from industrial waste

• Water vapor from the ocean

Answer explanation

Fluorinated gases from industrial waste are man-made greenhouse gases, unlike methane from wetlands, nitrous oxide from soil decay, and water vapor from the ocean, which are natural sources.

Tags

NGSS.MS-ESS3-5

How do natural sources contribute to greenhouse gases?

• They only produce oxygen.

• They include respiration and decomposition of plants and the ocean.

• They have no impact on greenhouse gases.

• They only produce nitrogen.

Answer explanation

Natural sources contribute to greenhouse gases through processes like respiration and decomposition. Plants release carbon dioxide during respiration, and the ocean emits gases during decomposition, both of which increase greenhouse gas levels.

What is the effect of too much greenhouse gas in the atmosphere?

• It cools the Earth's surface.

• It stabilizes the climate.

• It overheats Earth's surface and disrupts the balance in Earth's systems.

• It has no effect on the climate.

Answer explanation

Too much greenhouse gas traps heat in the atmosphere, leading to an increase in Earth's surface temperature. This overheating disrupts climate patterns and the balance of Earth's systems, causing various environmental issues.

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NGSS.HS-ESS2-4

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NGSS.HS-ESS2-6

Which gas is associated with decomposition in wetlands?

• Carbon dioxide

• Methane

• Nitrous oxide

• Oxygen

Answer explanation

Methane is a byproduct of anaerobic decomposition in wetlands, where organic matter breaks down without oxygen. This process leads to the production of methane, making it the gas most associated with decomposition in these environments.