Worksheets10/2 Exit Ticket
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
What is cosmic background radiation?
a)
Radiation from an oven
b)
evidence for the Big Crunch Theory
c)
Radiation from a Microwave
d)
Radiation Leftover from the Big Bang Theory
2.
Who discovered CMB?
a)
Albert Einstein
b)
Father Lemaitre
c)
Ernest Hubble
d)
Arno Penzias and Robert Wilson
3.
What percentage of the universe is made up of dark matter?
a)
4.6%
b)
24%
c)
71.4%
d)
100%
4.
What is dark matter?
a)
A super dense clump of interstellar dust
b)
An extremely large black hole
c)
We don't know
d)
A dead body of a former star
5.
Is dark matter visible?
a)
Yes, as it reflects light
b)
No, as it does not reflect light
6.
What's that big dark circle on the upper left side?
a)
Black Hole
b)
Dark Energy
c)
Dark Matter
d)
A Celestial Body
7.
How did scientists realize that dark matter should exist?
a)
Normal matter wouldn't have enough gravity to form galaxies.
b)
By looking at the sky with a superhigh resolution telescope
c)
They got messages from creatures living in dark matter.
d)
By crashing a spacecraft into a large region of dark matter.
8.
What is dark energy?
a)
The evil energy created by aliens
b)
Energy emitted by black holes
c)
The energy created by dead stars
d)
Energy that occupies empty space in the universe
100 %
