Download Unit 9J Quick Quiz 2..

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Quick Quiz 2
On your answer sheet, write in the correct letter for each question.
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2 Which statement is true?
A Gravity always pulls a spacecraft towards
the nearest planet.
B There is no gravity in space.
C Gravity acting on a spacecraft depends on
how close the spacecraft is to a planet.
D Gravity is the same at all times during a
space journey.
1 An object’s weight:
A is caused by the air pushing down on it.
B is caused by the Earth’s magnetic field.
C is caused because it is pulled towards the
Earth.
D stays the same, even if its mass changes.
2 Gravity is less on the Moon than on the Earth
because:
A the Moon is bigger than the Earth.
B the Moon has less mass than the Earth.
C the Moon is smaller than the Earth.
D the Moon has a bigger mass than the
Earth.
3 Which statement is not true?
A Only large objects like the Earth produce a
force of gravity.
B You are attracting this quiz paper with a
small force of gravity.
C The Earth attracts objects because it has a
large mass.
D Your body is attracting the Earth.
3 The planets stay in their orbits around the
Sun because of:
A magnetism.
B the gravity pull of the Earth.
C the gravity of the Moon.
D the gravity of the Sun.
4 An artificial satellite is:
A anything that orbits a planet or moon.
B anything that orbits the Sun.
C a machine that sends TV programmes.
D something made by humans that orbits the
Earth or another planet or moon.
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4 A bag of sugar has a mass of 1 kg. What is its
weight?
A 0.1 N
B 10 kg
C 10 N
D 1N
1 Which of these is not a method of studying
space that can be used from the Earth?
A using a telescope to observe the stars
B watching the sky to see if anything new
appears
C using a telescope to make planets and
moons look bigger
D collecting rock samples
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1 Gravity:
A gets bigger if two objects get further apart.
B gets less if two objects get closer together.
C does not depend on distance.
D gets less if two objects get further apart.
2 What are the advantages of having a
telescope in space?
A It can only be repaired by astronauts.
B It costs a lot of money to build.
C It can be launched using the Space Shuttle
or a rocket.
D Clouds never get in the way.
Page 1 of 2
Exploring Science
edition
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© Pearson Education Limited 2009
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Quick Quiz 2 (continued)
3 Which of these cannot be done by a space
probe in orbit?
A photographing the surface of a planet
B taking close-up photos of soils
C making a map to show where mountains
are
D looking for volcanoes
4 Which of these is not an advantage of a space
probe that lands on a planet?
A It can carry out chemical tests on rocks.
B It can take soil samples.
C It can photograph most of the planet’s
surface.
D It can take close-up photos of rocks.
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3 Which statement best describes our current
ideas about the Solar System?
A The planets all move in circular orbits
around the Sun.
B The planets all move in circular orbits
around the Earth.
C The planets all move in elliptical orbits
around the Earth.
D The planets all move in elliptical orbits
around the Sun.
4 Why do we believe that our current model of
the Solar System is correct?
A We can see the elliptical orbits.
B We have sent people to visit the Moon.
C It agrees with religious ideas.
D It can accurately predict the movements of
the planets.
1 There have been different ideas about the
Solar System in the past. Which one of these
was not suggested?
A The planets are fixed solid spheres that
move around the Earth.
B The Moon is at the centre with the planets
orbiting around it.
C The planets move in circles around the
Earth.
D The planets move in circles around the
Sun.
2 Ptolemy’s model of the Solar System had
the Earth at the centre with the Sun and
planets moving in circular orbits around it.
Our modern idea about the Solar System is
different because we think:
A the Sun is at the centre of the Solar System.
B the Sun is moving around the Earth.
C the Earth moves around the Moon.
D that Mars moves around the Earth.
Page 2 of 2
Exploring Science
edition
265
© Pearson Education Limited 2009
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