UNIT 9 EXAM RETEST

Which natural event can cause a sudden change in climate by releasing large amounts of ash and gases into the atmosphere?

• Earthquake

• Volcanic eruption

• Tsunami

• Landslide

Tags

TEKS.SCI.8.11A

How can meteor impacts influence the climate?

• By increasing the Earth's rotation speed

• By releasing dust and particles that block sunlight

• By causing earthquakes

• By increasing ocean salinity

Tags

TEKS.SCI.8.11A

Which human activity is a major contributor to the increase of greenhouse gases in the atmosphere?

• Planting trees

• Burning fossil fuels

• Recycling

• Using solar panels

Tags

TEKS.SCI.8.11B

What is one effect of deforestation on the climate?

• Increase in oxygen levels

• Decrease in carbon dioxide levels

• Increase in carbon dioxide levels

• Decrease in temperature

Tags

TEKS.SCI.8.11B

Which process is a part of the carbon cycle?

• Photosynthesis

• Nitrogen fixation

• Evaporation

• Precipitation

Tags

TEKS.SCI.8.11C

What role do oceans play in the carbon cycle?

• They release carbon dioxide into the atmosphere

• They absorb carbon dioxide from the atmosphere

• They convert carbon dioxide into oxygen

• They have no role in the carbon cycle

Tags

TEKS.SCI.8.11C

How can abrupt changes in ocean currents affect the climate?

• By stabilizing global temperatures

• By causing regional climate shifts

• By increasing the Earth's gravitational pull

• By reducing volcanic activity

Tags

TEKS.SCI.8.11A

Urbanization can influence climate by:

• Increasing the amount of green spaces

• Reducing the heat island effect

• Increasing surface temperatures

• Decreasing air pollution

Tags

TEKS.SCI.8.11B

Which of the following is a greenhouse gas?

• Oxygen

• Nitrogen

• Methane

• Argon

Tags

TEKS.SCI.8.11B

What is the primary source of carbon dioxide in the carbon cycle?

• Volcanic eruptions

• Respiration and combustion

• Photosynthesis

• Ocean absorption

Tags

TEKS.SCI.8.11C