Throwback Thursday 6

Where do convection currents happen?

• Mantle

• Inner core

• Outer core

• Crust

Tags

NGSS.MS-ESS2-1

Convection currents occur due to _____.

• rotation of earth

• gravitational pull

• electrons moving

• differences in temperature and density

Tags

NGSS.MS-ESS2-6

What does heat do when convection currents are moving?

• Sinks

• Rises

• Stays in place

Tags

NGSS.MS-ESS2-6

Which layer of Earth is located above the outer core?

• crust
• inner core
• mantle
• lithosphere

Which of these two layers is a solid?

• innercore
• Outercore

What is the top layer of the Earth's surface called? 

• Mantle
• Innercore
• Outercore
• Crust

Which best describes the asthenosphere?

• molten metal
• dense, solid metal ball
• solid that flows
• dry land and ocean floor

Is there a pattern to the locations of earthquakes and volcanoes around the globe?

• No, earthquakes and volcanoes are random.

• Yes, earthquakes and volcanoes usually occur near the boundaries of tectonic plates.

• yes, earthquakes and volcanoes usually occur in the middle of tectonic plates.

• No, earthquakes and volcanoes usually occur under water.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

The Ring of Fire is an area where a large number of earthquakes and volcanic eruptions occur. What claim can be made about the Ring of Fire from this information?

• It is the only place on Earth where earthquakes can happen.

• The edges of the tectonic plates are moving in this area.

• It represents the areas where tectonic plates are the thickest.

• It has been getting larger since Earth first formed.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

Tectonic plates float on top of the ________

• Crust

• Mantle

• Inner Core

• Outer Core

Tags

NGSS.MS-ESS2-3