9i: Energy and Electricity

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Energy cannot be
1. seen
2. destroyed
3. wasted
4. used
The size of the electrical push is measured in
1. volts
2. joules
3. watts
4. amps
Which scientist invented the first battery?
1. Luigi Galvani
2. Ben Franklin
3. Alessandro Volta
4. Michael Faraday
Which of these types of energy means moving energy?
1. Radiation
2. Potential
3. Electrical
4. Kinetic
How easily a conductor lets electrons pass through it is called its
1. power
2. resistance
3. electrical ability
4. voltage
Who is credited with inventing the light bulb
1. Luigi Galvani
2. Michael Faraday
3. Georg Ohm
4. Thomas Edison
The circuit symbol for a variable resistor is
1. a circle with a capital A in it
2. a rectangle with an arrow diagonally through it
3. a rectangular box with a line down the middle of it
4. a circle with VR in it
The pre-fix Kilo or 'k' as in Kilowatt (kW) means
1. 1000
2. 100
3. 1,000,000
4. 10
A battery is made up from two or more
1. metals
2. chemicals
3. batteries
4. cells
Electric current is a flow of
1. voltage
2. power
3. atoms
4. electrons
In our homes and cars the components are connected in
1. parallel
2. series
3. plastic
4. wires
We measure volts using a
1. thermometer
2. joule meter
3. ammeter
4. voltmeter
An electrical circuit that has all the components on one wire loop is called a
1. parallel circuit
2. series circuit
3. square circuit
4. simple circuit
When connecting an ammeter in a circuit it should be connected in
1. wires
2. parallel
3. series
4. circles
When connecting a voltmeter in a circuit it should be connected in
1. wires
2. series
3. squares
4. parallel
An electrical circuit that has all the components on two or more loops of wire is called a
1. looping circuit
2. complex circuit
3. series circuit
4. parallel circuit
In a series circuit with two bulbs, if one blows then
1. the other will go out
2. the circuit will melt
3. it is never the same, we have to wait and see
4. the other will stay on
The power of an appliance is measured in
1. ammeter
2. watts
3. volts
4. joules
The circuit symbol for a voltmeter is
1. a circle with a capital A in it
2. a circle with a capital V in it
3. a rectangular box with a line through it
4. a circle with a cross in it
In a parallel circuit with two bulbs, one on each of two loops, if one bulb blows then
1. it is never the same, we have to wait and see
2. the other will go out
3. the circuit will melt
4. the other will stay on
Energy is measured in
1. Light
2. Newton's
3. Joules
4. Watts
Which form of energy holds us onto the Earth?
1. Strain energy
2. Gravitational potential energy
3. Kinetic energy
4. Thermal energy
We can trap the suns energy using
1. light boxes
2. thermal traps
3. light traps
4. solar panels
The current around a series circuit is
1. impossible to measure
2. never the same
3. the same
4. always different
Which of the following is not a form of heat transfer
1. diffusion
2. conduction
3. radiation
4. convection
Sulphur dioxide produced by burning fossil fuels dissolves in rain water to form
1. limewater
2. acid rain
3. the hole in the ozone layer
4. the greenhouse effect
Who invented the electric motor?
1. Joseph Swan
2. Thomas Edison
3. Michael Faraday
4. Ben Franklin
The efficiency of an appliance is
1. how much of the energy transferred is useful
2. how much of the energy is light
3. how much of the energy transferred is heat
4. how much of the energy is re-used
Which of these words means stored energy?
1. Thermal
2. Kinetic
3. Potential
4. Light
What was the name of the scientist who flew his kite in a lightning storm?
1. Alessandro Volta
2. Ben Franklin
3. Andre Ampere
4. Georg Ohm