7th Grade 3rd 9 Weeks Test Review

What is the primary component of the Sun?

• Hydrogen

• Oxygen

• Carbon

• Helium

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TEKS.SCI.7.9A

Which planet is known as the "Red Planet"?

• Venus

• Mars

• Jupiter

• Saturn

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TEKS.SCI.7.9A

Explain how gravity affects the motion of planets in our solar system.

• It causes planets to move in straight lines.

• It keeps planets in orbit around the Sun.

• It has no effect on planetary motion.

• It pushes planets away from the Sun.

Tags

TEKS.SCI.7.9B

Which of the following is evidence that supports the theory of plate tectonics?

• The presence of similar fossils on different continents

• The color of the ocean

• The temperature of the Earth's core

• The height of mountains

Tags

TEKS.SCI.7.10A

Describe how the movement of tectonic plates can lead to the formation of mountains.

• Plates move apart, creating valleys.

• Plates slide past each other, causing erosion.

• Plates collide and push up the Earth's crust.

• Plates sink into the mantle, forming trenches.

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TEKS.SCI.7.10B

What is the role of the Kuiper Belt in our solar system?

• It is the main source of solar energy.

• It contains many comets and dwarf planets.

• It is the region where stars are formed.

• It is the boundary of the solar system.

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TEKS.SCI.7.9A

How does the superposition principle help scientists understand Earth's history?

• It explains the current climate.

• It helps determine the relative ages of rock layers.

• It predicts future volcanic eruptions.

• It measures the Earth's magnetic field.

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TEKS.SCI.7.10A

Which of the following is a harmful influence of human activity on groundwater?

• Planting trees

• Overuse of fertilizers

• Building parks

• Conserving water

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TEKS.SCI.7.11A

Analyze how volcanic eruptions can impact the formation of new land.

• They erode existing land.

• They deposit lava that hardens into rock.

• They cause land to sink.

• They have no impact on land formation.

Tags

TEKS.SCI.7.10B

What is the primary reason for the formation of ocean basins?

• Erosion by wind

• Movement of tectonic plates

• Impact of meteorites

• Melting of polar ice caps

Tags

TEKS.SCI.7.10B