Our Expanding Universe | Compilation

Our Expanding Universe | Compilation

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the concept of the universe's expansion, starting with the basics of how we know the universe is expanding. It discusses the observable universe, the role of light in understanding cosmic distances, and the phenomenon of redshift. The video delves into the mysterious dark energy, its effects on the universe, and the challenges in measuring the universe's expansion rate. It highlights the discrepancies in current measurements and the potential need to rethink our understanding of physics.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one reason we cannot determine the exact size of the universe?

The universe is too small to measure.

Light from distant objects takes time to reach us.

We have already measured the universe's size.

The universe is not expanding.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the observable universe?

A small part of the universe that is not expanding.

A sphere extending 13.8 billion light years from Earth.

The entire universe, including all galaxies.

Only the Milky Way galaxy.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the expansion of space affect the observable universe?

It has no effect on the observable universe.

It causes the observable universe to appear larger than it is.

It makes the universe smaller.

It stops the universe from expanding.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is dark energy believed to be?

A type of matter that emits light.

A property of empty space that causes expansion.

A force stronger than gravity.

A type of energy that contracts the universe.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why doesn't dark energy affect galaxies like the Milky Way?

Dark energy is too weak to affect galaxies.

Galaxies are immune to any form of energy.

Gravity within galaxies is too strong for dark energy to overcome.

Dark energy only affects planets.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one method used to measure the universe's expansion rate?

Observing the brightness of Cepheid variables.

Measuring the temperature of planets.

Counting the number of stars in a galaxy.

Calculating the distance to the sun.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cosmic microwave background?

The light from nearby stars.

A type of dark energy.

The oldest light in the universe.

The light from the sun.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?