8.10a

If we boil water in a pot on an electric burner. How is our simulation of demonstrating convection currents different than the currents in the atmosphere and ocean?

• the warm air in our model sinks instead of rises

• the heat source for Earth is the sun which heats from above

• the currents are all flowing in the same direction

• warm water is less dense than warm air causing a difference between the models

Tags

NGSS.MS-ESS2-6

What would reduce the strength of a hurricane?

• entering warmer water

• traveling over the ocean

• entering cooler water

Tags

NGSS.MS-ESS2-6

A group of students heats water on a stove to model how the sun drives convection in the atmosphere and oceans. The water at the bottom of the pot heats, expands, rises, cools, and sinks to the bottom. This creates a convection current, similar to those in the atmosphere and oceans. Which statement explains a limitation of this model?

• Heat transfer does not take place by convection

• Temperature changes in water can cause density changes in water

• Air is considered a fluid

• The sun does not transfer heat by conduction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which factor is most responsible for sea breeze and land breeze in costal regions?

• Revolution of Earth around sun

• Gravitational pull of Earth

• Rise and fall of ocean tides

• uneven heating between land and water

Tags

NGSS.MS-ESS2-6

A hot plate, a large beaker of water, and grains of rice are used in a class demonstration. When the water begins to boil, the rice moves in a circular pattern. The model demonstrates-

• conduction

• radiation

• convection

• subduction

What are the three types of thermal energy transfer?

• Conduction

• Convection

• Radiation

• Condensation

• Radicals

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Warm Air does what?

• Warm air rises and expands

• Warm Air rises and contracts

• Warm air sinks and expands

• Warm air sink and contracts

Tags

NGSS.MS-ESS2-5

Cold air does what?

• Contracts and sinks

• Expands and sinks

• rises and sinks

• Expands

Tags

NGSS.MS-ESS2-5

What type of air is considered more dense?

• Warm Air

• Cold Air

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What type of thermal radiation drives the wind?

• The sun

• The universe

• The radiation from Jupiter

• The moon

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6