5 marksFoundation6.2.1.1 Standard circuit diagram symbols6.2.1.2 Electrical charge and current
The diagram shows a circuit.
.1Name component X.
[1 mark] .2The lamp is off. Explain why the lamp lights when the switch is closed.
[2 marks] .3When the switch is closed, the reading on X is 0.20 A.
Calculate the charge that flows through the lamp in 60 s.
[2 marks] 4 marksFoundationRequired practical 176.3.1.1 Density of materials
A student measures a rectangular block. It is 5.0 cm long, 4.0 cm wide and 10.0 cm high. Its mass is 540 g.
.1Calculate the volume of the block.
[1 mark] .2Calculate the density of the block in g/cm³.
[2 marks] .3In which state are the particles close together in a regular pattern?
[1 mark] 5 marksFoundation6.1.1.2 Changes in energy6.1.1.1 Energy stores and systems
A student drops a ball of mass 0.20 kg from a height of 1.5 m.
Gravitational field strength = 9.8 N/kg.
.1Which energy store of the ball decreases as it falls?
[1 mark] .2Calculate the energy transferred from this store as the ball falls 1.5 m.
[2 marks] .3Assume all of this energy is transferred to the ball's kinetic store.
Calculate the speed of the ball just before it hits the ground.
[2 marks] 4 marksFoundation6.1.3 National and global energy resources
Electricity can be generated from many different energy resources.
.1Which two resources are renewable? Choose two.
[2 marks] .2Give the meaning of the word renewable.
[1 mark] .3Give one disadvantage of generating electricity from wind turbines.
[1 mark] 3 marksFoundation6.4.1.2 Mass number, atomic number and isotopes6.4.1.1 The structure of an atom
An atom of sodium has an atomic number of 11 and a mass number of 23.
.1Give the number of protons in the sodium atom.
[1 mark] .2Calculate the number of neutrons in the sodium atom.
[1 mark] .3What is the overall charge of the nucleus of a sodium atom?
[1 mark] 