Year 9 Science Term 1 - Earth Quiz

What type of plate boundary is responsible for the formation of mid-ocean ridges?

• Convergent

• Divergent

• Transform

• Subduction

At a convergent boundary, what geologic feature is most likely to form?

• Rift valley

• Mid-ocean ridge

• Mountain range

• Strike-slip fault

The San Andreas Fault in California is an example of what type of boundary?

• Convergent

• Divergent

• Transform

• Subduction

What is subduction?

• The process of two plates sliding past each other

• The movement of plates away from each other

• One tectonic plate sinking beneath another

• The formation of new crust at a ridge

Which of the following processes removes carbon dioxide from the atmosphere?

• Combustion

• Respiration

• Photosynthesis

• Decomposition

Carbon dioxide is released into the atmosphere by:

• Photosynthesis

• Respiration

• Carbon sequestration

• Ice core trapping

The carbon cycle includes all of the following EXCEPT:

• Photosynthesis

• Respiration

• Fossil fuel combustion

• Nuclear fusion

The primary greenhouse gas responsible for global warming is:

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

Which of the following human activities is a major contributor to increasing atmospheric carbon dioxide?

• Using wind turbines

• Burning fossil fuels

• Planting trees

• Recycling plastics

The greenhouse effect is best described as:

• The trapping of heat by atmospheric gases

• The release of carbon dioxide by plants

• The melting of glaciers

• The depletion of the ozone layer