1.1 and 1.2 Review

How would distractions affect your ability react to emergency situations while driving?

• They would have no impact.

• Your reaction time would be longer.

• Your reaction time would be shorter.

Tags

NGSS.MS-LS1-8

Dan and Chris are measuring their reaction time using two stopwatches. Dan stops his watch at 2 seconds and Chris stops his at 2.5 seconds. Who's reaction time are they measuring?

• Dan

• Chris

• Both Dan and Chris

• Neither of their times.

Dan and Chris are measuring their reaction time using two stopwatches. Dan stops his watch at 2 seconds and Chris stops his at 2.5 seconds. What is the reaction time?

• 2 seconds

• 4.5 seconds

• 2.5 seconds

• 0.5 seconds

Aaron and Lia are finding a reaction distance using rulers. Lia is dropping the ruler and Aaron is catching it. Where should the 0 cm mark go before the ruler is dropped?

• In the air above his hand.

• Below his hand.

• At the top of his hand.

• In the middle of his hand.

Aaron and Lia are finding a reaction distance using rulers. Lia is dropping the ruler and Aaron is catching it. Aaron catches the ruler at 12 cm. What is his reaction distance?

• 10 cm

• 30 cm

• 18 cm

• 12 cm

Michelle measures the following reaction times: 10 s, 5 s, and 6 s. What is her average reaction time?

• 7 s

• 21 s

• 10.5 s

• 14 s

Michelle measures the following reaction times: 8 s, 12 s, and 7 s. What is her average reaction time?

• 12 s

• 27 s

• 9 s

• 10 s

Mark's reaction distances are 4 feet, 5 feet, 10 feet, and 9 feet. What is his average reaction distance?

• 7 feet

• 10 feet

• 14 feet

• 28 feet

In the event of a distraction, who would need more reaction time in the case of an emergency: a driver on a racetrack or a driver in a school zone.

• The racetrack driver

• The school zone driver

• They would be the same.

How do distractions affect reaction time?

• They increase how long it takes to react.

• They decrease how long it takes to react.

• Distractions have no impact on reaction time.