WorksheetsWeek 4 Unit 7
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Why is SETI project so exciting?
a)
Because locating other intelligent life is exciting
b)
Because it uses radio signals to look for intelligent beings
c)
Because it will completely change the way we think about ourselves and about universe
d)
Because there are other beings out there
2.
How long does the fastest rocket reach to the Alpha Centuri galaxy from the Earth?
a)
40000 years
b)
4000 years
c)
42000 years
d)
60000 years
3.
There are no less than ______ billion galaxies in the universe.
a)
100
b)
400
c)
1000
d)
1
4.
Radio signals can aslo travel through space dust and other things (a) around in space.
5.
They have a long rage so they can (a) into space.
6.
Scientists use radio (a) to search for radio signal in space.
7.
We just have to find planets which (a) our earth among these galaxies.
8.
Scientists hope to look for intelligent beings who might be (a) a signal.
9.
Intelligent beings may look for our existance and wonder the same question
a)
Are we alone?
b)
Is there anyone else out there?
c)
Why do you send us a signal?
d)
Do they looking for signal chat?
10.
Our earth are going around one ________
a)
Sun
b)
Galaxy
c)
Star
d)
Planet
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