Inside Earth and Convection Currents

The Earth's mantle is

• a layer of molten metal
• a layer of molten rock

• a dense ball of solid metal
• forms the Earth's crust

Tags

NGSS.MS-ESS2-1

Which picture shows material that is more dense?

• The picture of the left

• The picture on the right

Tags

NGSS.MS-PS3-1

In convection, WARMER magma ______.

• rises

• sinks

Tags

NGSS.MS-PS1-4

In convection, COOLER magma ______.

• rises

• sinks

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which layer is the densest layer of Earth?

• crust

• mantle

• outer core

• inner core

Which layer is the hottest layer of Earth?

• crust

• mantle

• outer core

• inner core

Based off of this data table, what can you conclude about the temperature inside the Earth?

• It is hottest in the inner core.

• It is hottest in the mantle.

• It is hottest in the crust.

• It gets hotter as you move toward the crust.

Tags

NGSS.MS-PS3-4

Where is the heat source that makes convection currents occur?

• The crust

• the core

• the mantle

• the Sun

In which layer do we see convection currents?

• the crust

• the mantle

• the inner core

What material is in the mantle?

• rocks

• liquid iron

• magma

• water