Transcript Space

A rocket is pushed forwards because its
engine gases
1.
2.
3.
4.
5.
are pushed backwards
spread outwards
are pushed forwards
surround the rocket
spread inwards
In outer space, the engine of a space probe is
switched on for a short time.
When the engine is switched off, the rocket
1.
2.
3.
4.
5.
changes direction
moves at a steady speed
slows down
speeds up
follows a curved path
Which of the following is the shortest
distance?
The distance from the Earth to the
1. nearest star in our galaxy
2. edge of our galaxy
3. moon
4. sun
5. nearest planet
Radio waves can be detected by a
1.
2.
3.
4.
5.
Geiger-Müller tube
photographic plate
scintillation counter
telescope
tuner
What is the purpose of the objective lens in
a telescope?
1. To bring stars closer to the observer
2. To detect radio waves from distant stars
3. To magnify the image produced by the
eyepiece
4. To produce an image that is magnified by
the eyepiece
5. To split light from stars into different
colours.
When a space craft enters the earth’s atmosphere,
one effect of friction is to transform
1.
2.
3.
4.
5.
potential energy into kinetic energy
kinetic energy into potential energy
heat into potential energy
potential energy into heat
kinetic energy into heat
Approximately how long does it take light to
travel from the sun to the earth?
1.
2.
3.
4.
5.
8 seconds
8 minutes
8 hours
8 days
8 years
Deep in outer space, the rocket engine of a space
probe is fired for a short time and then switched
off.
When the engine is off the probe
1.
2.
3.
4.
5.
accelerates forwards
Decelerates until it stops
Changes direction
Follows a curved path
Moves at a steady
speed
Which of the following gives the correct order of
increasing wavelength for the colours named?
1.
blue, green, red
2.
blue, red, green
3.
green, blue, red
4.
red, blue, green
5.
red, green, blue
A fish of mass 2 kg is hung on a Newton balance.
The fish and the balance are dropped and fall freely
to the sea below.
What is the reading on the Newton balance while
falling?
1.
2.
3.
4.
5.
0 newtons
1 newton
2 newtons
10 newtons
20 newtons
Planets are objects that are in orbit around
1.
2.
3.
4.
5.
moons
galaxies
meteors
stars
comets
The spectra below are for gas in a star and 3
elements, X, Y and Z.
Star gas
X
Y
Z
The elements present in the star are
1.
2.
3.
4.
5.
X only
Y only
X and Y only
Y and Z only
X, Y and Z
Object X of mass 1kg and object Y of mass 10kg
are dropped from the same height. Both objects
fall freely. Object X accelerates at 10 m/s2.
The acceleration of object Y, in m/s2, is
1.
2.
3.
4.
5.
0.1
1.0
10
100
1000
Our sun is a
1.
2.
3.
4.
5.
planet
moon
star
galaxy
meteorite
1. A…