Understanding Relativity and Motion

Understanding Relativity and Motion

Assessment

Interactive Video

Physics, Science

9th - 12th Grade

Practice Problem

Hard

Created by

Sophia Harris

FREE Resource

The video discusses the challenges in physics around 1900, focusing on the principle of relativity. It uses a cat and Einstein to illustrate how relative motion works. The problem of light's constant speed is introduced, leading to the concept of time rotation as a solution. Lorentz's initial work and Einstein's contribution to the theory of relativity are highlighted, emphasizing the idea that time is relative and affects simultaneous events differently for observers in motion.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the main issue in physics around the 1900s that involved Einstein?

Explaining how objects could move

Determining the age of the universe

Calculating the speed of sound

Understanding the nature of gravity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the old-fashioned principle of relativity, what remains unchanged during a switcheroo?

Separation between objects

Mass and energy

Time and space

Position and velocity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why was the speed of light considered a problem for explaining motion?

It was too slow to measure accurately

It was an absolute constant that couldn't change

It varied depending on the observer

It was faster than any known object

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the key insight that allowed for the explanation of motion while keeping the speed of light constant?

Changing the laws of physics

Introducing a new force

Rotating slices of time

Altering the speed of light

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who initially discovered the concept of time-rotation before Einstein?

Galileo

Newton

Maxwell

Lorentz

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What did Einstein propose about time that was different from Lorentz's view?

Time is an illusion

Time is absolute

Time is faster than light

Time-rotation is real and time is relative

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Einstein, how do simultaneous events appear to observers in motion relative to each other?

They appear at the same time

They appear at different times

They appear faster

They appear slower

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