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