CONVECTION CURRENT

Where do convection currents happen?

• Mantle

• Inner core

• Outer core

• Crust

Tags

NGSS.MS-ESS2-1

When molten material is heated in the mantle it becomes ____?

• More dense

• Less dense

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS1-4

When molten material is cooled in the mantle it becomes more dense.

• True

• False

When molten material is heated in the mantle it becomes less dense.

• True

• False

Convection currents affect the movement of plates on the Earth's crust.

• True

• False

During a convection current, what happens once the fluid heats up?

• Its particles occupy less space

• Its density decreases

• Its density increases

• Its particles move more slowly

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS1-4

Differences in ____ cause hot, plastic-like rock in the asthenosphere to rise toward Earth's surface.

• Weight

• Force

• Magnetism

• Density

Convection currents occur due to _____.

• rotation of earth

• gravitational pull

• electrons moving

• differences in temperature and density

Tags

NGSS.MS-ESS2-6

Which of the following is one reason Earth's tectonic plates to move?

• convection currents in the mantle

• Energy from the sun

• magnetic Pole Reversal

• faults in Mountain Ranges

Which of these combines with changes in fluid's density and the force of gravity to set convection currents in motion?

• freezing and melting of solid

• evaporation of fluid

• condensation of fluid

• heating and cooling of fluid