Understanding Time and Black Holes

Understanding Time and Black Holes

Assessment

Interactive Video

Physics

11th - 12th Grade

Hard

Created by

Jennifer Brown

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason scientists believe time flows in one direction?

The laws of physics explicitly state it.

The universe is expanding.

Statistical arguments based on increasing entropy.

Time travel is impossible.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the three-body problem?

A problem involving two bodies orbiting each other.

A scenario where three bodies interact in a stable manner.

A complex problem with no single analytic solution for three interacting bodies.

A situation where three bodies move in predictable orbits.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the outcome when researchers reversed the simulation of black holes?

The black holes ended up in completely different orbits 5% of the time.

The black holes retraced their original paths perfectly.

The black holes disappeared from the simulation.

The black holes collided and merged.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Planck Length?

The smallest meaningful measurement in quantum mechanics.

The largest possible measurement in quantum mechanics.

A unit of time used in physics.

A measurement that changes with relativity.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the n-body problem refer to?

A scenario with more than three bodies interacting chaotically.

A problem involving two bodies in stable orbits.

A situation where bodies move in a straight line.

A problem with a single solution for multiple bodies.