3rd 9 Weeks Test Review Part 2

What is the primary gas in Earth's atmosphere that supports life?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Tags

TEKS.SCI.7.9C

Which of the following human activities is most likely to lead to ocean acidification?

• Deforestation

• Burning fossil fuels

• Overfishing

• Urban development

Tags

TEKS.SCI.7.11B

Explain how the proximity of Earth to the Sun is crucial for life.

• It keeps Earth warm enough to support liquid water.

• It provides light for photosynthesis.

• It prevents Earth from freezing.

• All of the above

Tags

TEKS.SCI.7.9C

What is the main force that keeps the planets in orbit around the Sun?

• Electromagnetic force

• Nuclear force

• Gravity

• Friction

Tags

TEKS.SCI.7.9B

Which process is responsible for the formation of ocean basins?

• Erosion

• Plate tectonics

• Sedimentation

• Weathering

Tags

TEKS.SCI.7.10B

Describe one way in which human activities can negatively impact ocean systems.

• By increasing biodiversity

• By reducing carbon emissions

• By causing oil spills

• By creating artificial reefs

Tags

TEKS.SCI.7.11B

What is the role of gravity in the motion of the Moon around Earth?

• It pushes the Moon away from Earth.

• It keeps the Moon in orbit around Earth.

• It has no effect on the Moon.

• It causes the Moon to rotate on its axis.

Tags

TEKS.SCI.7.9B

How do volcanic eruptions contribute to the formation of new land?

• By eroding existing land

• By depositing lava that solidifies into rock

• By causing earthquakes

• By melting glaciers

Tags

TEKS.SCI.7.10B

Analyze how the composition of Earth's atmosphere supports life.

• It contains oxygen for respiration.

• It provides carbon dioxide for photosynthesis.

• It protects from harmful solar radiation.

• All of the above

Tags

TEKS.SCI.7.9C

Which of the following is a direct consequence of plate tectonics?

• Ocean currents

• Mountain building

• Weather patterns

• Tidal waves

Tags

TEKS.SCI.7.10B