Theory

CH5 - THERMAL EFFECTS

(a) Four identical metal plates, at the same temperature, are laid side by side on the ground. The rays from the Sun fall on the plates.One plate has ...

2010 Summer

1

Theory

CH5 - THERMAL EFFECTS

Which pair contains only physical quantities that vary with temperature and so could be used in making a thermometer?A activity of a radioactive sour...

2012 Summer

2

Theory

CH5 - THERMAL EFFECTS

A certain substance is in the solid state at a temperature of -36°C. It is heated at a constant rate for 32 minutes. The record of its temperature is...

2010 Summer

3

Theory

CH5 - THERMAL EFFECTS

In an experiment, some of a substance changes from a liquid to a gas. The temperature of the remaining liquid changes because of this.What is the name...

2009 Summer

2

Theory

CH5 - THERMAL EFFECTS

(a) Equal volumes of a gas held at constant pressure, a liquid and a solid undergo the same temperature rise.(i) State which of the three, solid, liqu...

2011 Winter

2

Theory

CH5 - THERMAL EFFECTS

To mark the lower fixed point of a Celsius scale on a thermometer, the thermometer should be placed inA. pure alcohol.B. pure distilled water.C. pure ...

2011 Winter

3

Theory

CH5 - THERMAL EFFECTS

A block of ice cream is prevented from melting by wrapping it in newspaper soaked in water. The water evaporates from the newspaper.Which molecules es...

2010 Winter

1

Theory

CH5 - THERMAL EFFECTS

The graph shows the change in temperature of a substance as it is heated steadily.Which part of the graph shows when the substance is boiling?

2009 Summer

2

Theory

CH5 - THERMAL EFFECTS

Which change is condensation? [Image depicting changes between solid, liquid, and gas with arrows labeled A, B, C, D]

2010 Winter

1

Theory

CH5 - THERMAL EFFECTS

Four blocks, made of different materials, are each given the same quantity of internal energy (heat).Which block has the greatest thermal capacity?[Im...

2009 Summer

2

Theory

CH1 - MEASUREMENTS AND UNITS

A cylindrical can is rolled along the ruler shown in the diagram.The can rolls over twice.What is the circumference (distance all round) of the can?A ...

2012 Summer

2

Theory

CH2 - FORCES AND MOTION

A car is moving downhill along a road at a constant speed. Which graph is the speed/time graph for the car?

2012 Summer

2

Theory

CH2 - FORCES AND MOTION

In a race, a car travels 60 times around a 3.6 km track. This takes 2.4 hours.What is the average speed of the car?A 1.5 km/h B 90 km/h C 144 km/h D 2...

2012 Summer

3

Theory

CH3 - FORCES AND PRESSURE

Which quantity is measured in newtons? A) density B) energy C) pressure D) weight

2012 Summer

1

Theory

CH3 - FORCES AND PRESSURE

A geologist places a small rock on the left-hand pan of a balance. The two pans are level as shown when masses with a total weight of 23 N are placed ...

2012 Summer

2

Theory

CH1 - MEASUREMENTS AND UNITS

A stone has a volume of 0.50 cm3 and a mass of 2.0 g.What is the density of the stone?A. 0.25 g/cm3B. 1.5 g/cm3C. 2.5 g/cm3D. 4.0 g/cm3

2012 Summer

1

Theory

CH2 - FORCES AND MOTION

Passengers are not allowed to stand on the upper deck of double-decker buses.upper decklower deckWhy is this?A. They would cause the bus to become les...

2012 Summer

1

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a handle with three forces, each 100 N, applied to it. The handle is free to move.What is the effect of the forces on the handle?A T...

2012 Summer

1

Theory

CH4 - FORCES AND ENERGY

In which pair of energy sources are both sources renewable?A. oil and coalB. oil and tidalC. tidal and geothermalD. tidal and nuclear fission

2012 Summer

1

Theory

CH4 - FORCES AND ENERGY

An object on a thread is swinging between X and Z, as shown in the diagram. It is momentarily at rest at X and at Z.An incomplete word equation about ...

2012 Summer

1