Airflow

________ It’s what pushes against anything moving through air or water.

Lift depends on ______ - lift increases, as speed increases. Lift depends on direction - lift acts perpendicular to the direction of the object's movement.

• weight

• speed

• height

• direction

Answer explanation

Drag can be useful. For example, when a parachute on a dragster opens up after the race, it creates a drag force that helps to slow the car down. Drag depends on ___________ - a ___________ with low drag is usually long, thin, and smooth, rounded at the front and becomes more narrow at the back.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

What is the direction of airflow in terms of pressure gradient?

• low pressure to high pressure

• high pressure to low pressure

What refers to gentle winds formed by unequal heating and cooling of adjacent surfaces?

• breezes

• monsoons

• trade winds

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What breeze causes a cool onshore airflow during the day?

• land breeze

• sea breeze

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What breeze causes a cool offshore airflow during the night?

• land breeze

• sea breeze

Air flows to the land where the low-pressure area is. What breeze is described by this statement?

• land breeze

• sea breeze

Tags

NGSS.MS-ESS2-5

What is the primary force that opposes the motion of an object through the air?

• Lift

• Thrust

• Drag

• Gravity

Which factor does NOT affect the amount of drag experienced by an object moving through the air?

• Shape

• Speed

• Color

• Surface texture