Weather and Water Inv.3 review

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids and gases) caused by differences in temperature and density.

Tags

NGSS.MS-ESS2-6

Front

In which states of matter does convection occur?

Back

Convection occurs only in fluids, which include liquids and gases.

Front

True or False: Hot fluids are less dense than cold fluids.

Back

True.

Front

What happens to warm air in terms of convection?

Back

Warm air rises because it is less dense than cooler air, which sinks.

Front

What is the primary mechanism of heat transfer in convection?

Back

The primary mechanism of heat transfer in convection is the movement of particles within the fluid.

Front

How does opening windows affect the temperature inside a home?

Back

Opening windows allows cooler outside air to enter, which can lower the temperature inside by transferring kinetic energy from the outside air to the warmer air inside.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

True or False: Air is considered a fluid.

Back

True.

Tags

NGSS.MS-ESS2-5

Front

What is the relationship between temperature and density in fluids?

Back

In general, as temperature increases, the density of a fluid decreases, causing it to rise.

Front

What role do air particles play in heat transfer when windows are opened?

Back

Air particles in the room transfer kinetic energy to the cooler air particles from outside, resulting in a decrease in temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Front

What is the significance of density in convection currents?

Back

Density differences drive convection currents, as warmer, less dense fluid rises and cooler, denser fluid sinks.