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Reflexes and Reaction Times

Reflexes and Reaction Times

Assessment

Interactive Video

Biology, Science, Physical Ed

6th - 7th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explores the concepts of reactions and reflexes, highlighting their significance in daily life. It demonstrates reaction time through a ping-pong ball test and compares it with the exceptional speed of table tennis expert Denise Payette. The video explains reflex actions using the nervous system and tests reflexes with a blindfolded experiment, showcasing the body's ability to respond quickly to danger.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the average reaction time for a human?

0.45 seconds

0.35 seconds

0.25 seconds

0.15 seconds

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did Chris's reaction time compare to the average?

Faster than average

Equal to average

Slower than average

Much slower than average

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main reason for Denise's faster reaction time?

Better equipment

Extensive practice

Genetic advantage

Natural talent

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary difference between a reaction and a reflex?

Reactions are faster

Reflexes involve the brain

Reflexes bypass the brain

Reactions are involuntary

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What part of the nervous system is primarily involved in reflex actions?

Brain

Cerebellum

Spinal cord

Peripheral nerves

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when you touch something sharp?

The brain processes the pain

The spinal cord sends a message to pull away

The muscles freeze

The body ignores the sensation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much faster was Chris's reflex compared to his reaction?

Three times as fast

Twice as fast

Four times as fast

Five times as fast

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