Acceleration is

• the change of velocity per unit of time

• speed that does not vary over time

• how far between two objects or locations

• an interaction between masses

Tags

NGSS.MS-PS2-2

The force exerted by air molecules on objects moving through the air.

• distance

• constant speed

• average speed

• air resistance

A roller coaster travels at a constant speed.

• True

• False

Define distance

• The change of velocity per unit of time.

• Speed that does not vary over time.

• How far between two objects or locations

• In math or physics, the steepness of a line on a graph.

The location of an object is its

• slope

• position

• gravity

• force

"If you run the same distance in less time, are you going faster or slower?" (Fossweb: Gravity and Kinetic Energy)

• faster

• slower

Tags

NGSS.MS-PS3-1

"A hawk flew 600 m in 1 minute. A sparrow flew 400 m in 30 seconds. Which bird was faster?" (Fossweb: Gravity and Kinetic Energy)

• Hawk

• Sparrow

Tags

NGSS.MS-PS3-1

The steeper the slope the __________ the animal is running.

• faster

• slower

The interaction between masses-the push or pull.

• position

• slope

• acceleration

• force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When Usain Bolt starts to slow down at around 70 meters, we say he is _________________.

• accelerating

• moving at a constant speed.

• decelerating

• speeding up