Understanding Time and Entropy

Understanding Time and Entropy

Assessment

Interactive Video

Physics

11th - 12th Grade

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the symmetry of time in physics imply about the laws of physics?

They only apply to the future.

They only apply to the past.

They are irrelevant to time.

They apply equally to both past and future.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does entropy influence the direction of time?

Entropy fluctuates randomly, with no clear direction.

Entropy increases, suggesting a forward direction.

Entropy remains constant, indicating no direction.

Entropy decreases over time, setting a backward direction.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the second law of thermodynamics state about entropy?

Entropy must decrease over time.

Entropy must remain constant.

Entropy is irrelevant to time.

Entropy must increase or stay constant.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the block universe model, what does an entropy minimum indicate?

A point where time stops.

A point where time reverses.

A point that dictates the arrow of time.

A point where entropy is irrelevant.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the expansion of the universe suggest about its past state?

The universe was more chaotic.

The universe was more densely clustered.

The universe was less dense.

The universe was static.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a possible consequence of tracing particles back to the Big Bang?

Entropy decreases indefinitely.

Entropy increases in reverse time.

Entropy remains constant.

Entropy becomes irrelevant.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the Higgs field in electroweak theory?

It has no effect on fundamental forces.

It only affects gravitational forces.

It stabilizes all forces permanently.

It can potentially decay, altering forces.

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