Motion & Force Test

What does this graph represent?

• Acceleration

• Constant speed away from start

• Constant speed towards start

• Not moving

During the second segment of Tom's Halloween night walk, which is between 50 seconds and 70 seconds, which direction is Tom moving?

• Tom was moving down a spooky hill

• Tom was not moving

• Tom was moving back towards his haunted house

• Tom was moving towards the pumpkin patch

During a Halloween night race, which runner stopped for a rest?

• Albert

• Bob

• Charlie

During a Halloween night race, three friends—Albert, Bob, and Charlie—are running to collect candy from a haunted house. According to the distance-time graph, how long did one of the friends stop to rest during the race?

• 50 seconds

• 8 seconds

• 5 seconds

• 13 seconds

Tags

NGSS.MS-PS3-1

You walk 10 meters to math class in 20 seconds. Formula: speed=distance divided by time

Your average speed is

• 2 m/s

• 200 m/s

• 0.5 m/s

• 5 m/s

Avery is trick-or-treating on Halloween night and walks 30 feet in 10 seconds to reach the next house. What is her speed? Formula Speed=distance divided by time

• 10 feet/sec

• 2 feet/sec

• 6 feet/sec

• 3 feet/sec

Tags

NGSS.MS-PS3-1

During a Halloween parade, a witch on her broomstick experiences acceleration when she changes her speed or _______.

• mass

• force

• inertia

• direction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Which of these is an example of negative acceleration during Halloween night?

• a car full of trick-or-treaters slowing down as it approaches a spooky house

• a witch's broomstick taking off into the sky

• a haunted hayride wagon speeding down a hill

• a ghost gliding steadily through the air

On a Halloween night, you and your friends are racing to collect candy. On a distance vs. time graph of your race, the steeper the slope, _____

• less acceleration

• greater acceleration

• the slower the speed

• the faster the speed

During a Halloween party, two friends are pushing a spooky pumpkin from opposite sides with equal force, so the pumpkin stays still in the middle of the room. What type of force is acting on the pumpkin?

• Unbalanced force

• Balanced force

Tags

NGSS.MS-PS2-1