Galaxies Pt. 1
Interactive Video
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Alejandro Figueroa
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What were the 'faint fuzzies' that puzzled astronomers in the early 20th century?
Distant planets
Comets
Nebulae
Asteroids
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main point of contention in the 1920 debate between Harlow Shapley and Heber Curtis?
The existence of black holes
The composition of stars
Whether the Milky Way was the entire universe or one of many galaxies
The speed of light
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of stars did Edwin Hubble and Milton Humason observe in the Andromeda Nebula (M31) to determine its distance?
Red giants
White dwarfs
Cepheid variables
Supernovae
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of elliptical galaxies?
They are characterized by broad, flat, rotating disks of stars, gas, and dust.
They are populated with young, massive, luminous stars.
They are characterized by a lack of gas and dust and are populated with older stars.
They always have prominent spiral arms.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are elliptical galaxies thought to be formed?
From galactic collisions.
From the collapse of single large gas clouds.
Through the gradual accumulation of individual stars.
By the explosion of supernovas.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the most likely outcome for individual stars when two galaxies collide?
They physically collide with other stars.
They pass right through each other without colliding.
They merge to form larger stars.
They are absorbed by black holes.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to gas clouds when galaxies collide?
They pass through each other without interaction.
They slam into each other, collapse, and form new stars.
They are stretched into long tendrils but do not collide.
They are absorbed by the central black holes of the galaxies.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
