9J: Gravity and Space

A mass of 1 kilogram on Earth weighs
1. 10 newtons
2. 1 newton
3. 100 newtons
4. 5 newtons
The pre-fix Kilo or K as in Kilowatt (KW) means...
1. 1000
2. 100
3. 10
4. 1,000,000
What is the weight on Earth of an object whose mass is 30KG
1. 300 N
2. 30 N
3. 3 N
4. 150 N
The force of gravity pulls us towards...
1. the centre of the Earth
2. the Earths surface
3. the ground under our feet
4. to a point somewhere below our feet
Which of these is the smallest?
1. planet
2. galaxy
3. universe
4. star
Another name for the moon is a
1. natural satellite
2. comet
3. meteorite
4. star
The force that pushes a rocket into the air is called
1. thrust
2. air resistance
3. weight
4. gravity
The moon remains in orbit due to the force of
1. gravity
2. friction
3. thrust
4. energy
If we drop two objects of different weights which would land the first?
1. They would land together
2. The heavy object
3. The heavy object
4. Impossible to tell
Which scientist wrote the book 'Pricipia Mathematica' in 1686?
1. Isaac Newton
2. Albert Einstein
3. Aristotle
4. Galileo
A satellite which stays over the same place on the earth is in
1. a geostationary orbit
2. a moon orbit
3. an earth orbit
4. a stellar orbit
Which of these is not a use of satellites?
1. Changing the weather
2. Communication
3. Astronomy
4. Weather forecasting
Which famous scientist shouted 'EUREKA' whilst in his bath?
1. Archimedes
2. Aristotle
3. Einstein
4. Galileo
What does the word 'Heliocentric' mean?
1. The sun at the centre
2. The Earth at the centre
3. The moon at the centre
4. The planets in a circle
Which famous scientist came up with the heliocentric model of the solar system?
1. Nicolas Copernicus
2. Aristotle
3. Galileo
4. Einstein
Which of these don't apply to forces?
1. They are always constant
2. They can cause things to change shape
3. They can cause things to change direction
4. They can cause things to change speed
The planets move in orbits that are
1. elliptical
2. circular
3. random
4. square
Which scientist worked out that the planets orbit in this way?
1. Johannes Kepler
2. Aristotle
3. Einstein
4. Tycho Brahe
Which form of energy is stored in a car at the top of a hill?
1. Gravitational potential energy
2. Chemical energy
3. Kinetic energy
4. Elastic energy
Which form of energy is used in a wind turbine?
1. Kinetic energy
2. Chemical energy
3. Elastic energy
4. Solar energy
Which forms of energy are being used in hydroelectric power stations to generate electricity?
1. Gravitational potential energy and kinetic energy
2. Chemical energy and kinetic energy
3. Elastic energy and chemical energy
4. Solar energy and nuclear energy
If the circuit has a wire which means that the current can bypass a component we call this
1. a short circuit
2. a long circuit
3. a short cut
4. a series circuit
Which form of energy is stored in a clockwork toy?
1. Strain
2. Chemical
3. Nuclear
4. Kinetic
A speaker produces which form of useful energy?
1. Sound
2. Light
3. Thermal
4. Elastic
A steam engine relies on which form of energy to work?
1. Thermal
2. Light
3. Nuclear
4. Sound
The amount of energy after a transfer will always be
1. equal to the amount of energy before the transfer
2. different to the amount of energy before the transfer
3. less than the amount of energy before
4. more than the energy before
What voltage would be produced by two 1.5V batteries in series?
1. 3V
2. 1.5V
3. 0V ( they would cancel each other out)
4. 2.5V
100 watts =
1. 100 j/s
2. 10 j/s
3. 1 j/s
4. 1000 j/s
An absence of any substance at all is called a
1. vacuum
2. vacume
3. vacoum
4. vacuume