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MULTIPLE CHOICE QUESTIONS
Each of questions 1 - 10 consists of a statement and four completion's, only one of which is correct. Write down the letter which you think is the correct completion to each statement.
1 - The colour of a star depends on its
A - Diameter
B - True brightness
C - Luminosity
D - Temperature
2 - If a star becomes unstable and at the end of its lifetime explodes it forms a
A - Nova
3 - Nebulae are
A - Groups of stars
4 - White dwarfs are
A - Stars at the start of their life times
5 - The energy from the Sun is released during
A - Nuclear fission
6 - The nearest of the following stars to the Earth is
A - Sirius
7 - Before the "Big Bang" there was
A - No Space or time
8 - The age of the Universe is thought to be between
A - 10 and 20 million years
9 - The speed at which stars and galaxies are moving apart
A - is independent of distance from us
10 - We know that stars are moving away from us because the light
from them is
A - Getting rapidly more faint
11 - Briefly describe the difference between the following pairs
of terms
A - Red dwarfs and white dwarfs
12 - A - What term do astronomers use to describe how bright
(or dim) stars are?
B - What unit is this term given in?
13 - What is a star?
C - White dwarf
D - Red giant
B - Clouds of dust and gas in space
C - Also called "Black Holes"
D - Very large stars
B - Cool, dim stars
C - Large, cool stars
D - Small, hot stars
B - Nuclear fusion
C - Both A and B
D - Neither A or B
B - Barnard's star
C - Proxima Centauri
D - Betelgeuse
B - Time but no space
C - Space and time
D - Space but no time
B - 100 and 200 million years
C - 1,000 and 2,000 million years
D - 10,000 and 20,000 million years
B - is inversely proportional to distance from us
C - is proportional to the distance from us
D - is the same throughout the Universe
B - Subject to a "Red shift"
C - Constant
D - Slowly becoming bluer
B - Nuclear fusion and nuclear fission
C - Black holes and dark matter
D - Red stars and blue stars
C - Why might two stars APPEAR to be as bright as each
other to someone looking at
them from the Earth?
The EIA Team / Tel:+44
(0)1274 384070 / 25 Sept 1995
