Airflow

While exhaling, is the diaphragm relaxing or contracting?

• Relaxing

• Contracting

In which direction is the diaphragm moving while inhaling?

• Up

• Down

Why do we have to use an incense stick in this picture?

• To know the amount of air

• To know the amount of smoke

• To know the direction of the airflow

• To know where hot air on top of the candle goes

Tags

NGSS.MS-ESS2-6

Describe the direction of airflow in this picture.

• Air flows IN to the TOP and flows OUT from the BOTTOM

• Air flows IN to the BOTTOM and flows OUT from the TOP

• The air moves around the candle inside the jar

• The air does not flow in this picture

Which part of an airplane is responsible for generating lift?

• Fuselage

• Wings

• Tail

• Engine

What is the term for the resistance an airplane faces as it moves through the air?

• Lift

• Drag

• Thrust

• Weight

What are the TWO things that support burning?

• Clean air and space

• Clean air and airflow

• Good airflow and Oxygen

• Good airflow and Carbon dioxide

Which happens after putting a second candle?

• The flame of the second candle burns brightly and strongly.

• The flame of the second candle burns for a while, then slowly goes out.

• The flame of the second candle quickly goes out.

• none of the above

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Why is the top of an airplane wing curved?

• To create an area of low pressure above the wing

• To create an area of high pressure above the wing

• To create equal pressure above and below the wing

• To make the wing look really cool

Label the diagram with the following four labels:

a

b

c

d

fast moving air

low pressure

high pressure

slow moving air

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6