Paper 1-style practice paper: Energy · Electricity · Particle model · Atomic structure (Foundation) — question paper

Section A: Multiple-choice questions[10 marks]

Choose one answer for each question. Each question is worth 1 mark.

1. 1

   Energy cannot be created or destroyed. It can only be

   1. Amultiplied by machines
   2. Bstored permanently in fuel
   3. Ctransferred between stores
   4. Dconverted into gravity
   ( )
2. 2

   A current of 2.0 A flows for 30 s. The charge transferred is

   1. A60 C
   2. B15 C
   3. C32 C
   4. D0.067 C
   ( )
3. 3

   Density is calculated as

   1. Avolume ÷ mass
   2. Bmass ÷ volume
   3. Cmass × volume
   4. Dmass ÷ weight
   ( )
4. 4

   The energy needed to heat a block depends on its mass, its specific heat capacity and the

   1. Aroom lighting
   2. Bshape of the block
   3. Ccolour of the block
   4. Dtemperature rise
   ( )
5. 5

   UK mains electricity is supplied at a frequency of

   1. A50 Hz
   2. B0 Hz
   3. C60 Hz
   4. D230 Hz
   ( )
6. 6

   A sample has count rate 80 Bq and a half-life of 3 hours. After 6 hours the count rate is

   1. A20 Bq
   2. B40 Bq
   3. C10 Bq
   4. D0 Bq
   ( )
7. 7

   Which energy resource is renewable?

   1. Anatural gas
   2. Bcoal
   3. Cwind
   4. Dnuclear fuel
   ( )
8. 8

   The live wire in a UK plug is coloured

   1. Agreen and yellow
   2. Bblue
   3. Cblack
   4. Dbrown
   ( )
9. 9

   Gas pressure in a container is caused by

   1. Athe weight of the gas only
   2. Bgas particles dissolving in the walls
   3. Cgravity inside the container
   4. Dparticles colliding with the surfaces
   ( )
10. 10

    Radioactive activity is measured in

    1. Ajoules
    2. Bbecquerels
    3. Cwatts
    4. Dnewtons
    ( )

Section B: Structured questions[90 marks]

Answer all questions in the spaces provided.

1. 11

   This question is about energy.

   1. (a)

      Name the energy store of a moving bicycle and the store of a book resting on a high shelf.

      [2]
   2. (b)

      Describe the energy transfers for a ball falling from a height, and state the law involved.

      [3]
   3. (c)

      A 2.0 kg bag of water is heated from 18 °C to 33 °C (c = 4 200 J/kg °C). Calculate the energy transferred.

      [4]
   4. (d)

      The heating takes 210 s. Calculate the power of the heater.

      [3]
2. 12

   This question is about electricity.

   1. (a)

      Draw or describe a series circuit containing a cell, an ammeter, a lamp and a voltmeter across the lamp.

      [2]
   2. (b)

      Calculate the charge flowing when a current of 2.0 A flows for 30 s.

      [3]
   3. (c)

      A heater of resistance 46 Ω is connected to 230 V. Calculate the current.

      [3]
   4. (d)

      Calculate the power of the heater.

      [3]
   5. (e)

      Calculate the energy transferred in 2.0 minutes.

      [3]
3. 13

   This question is about the particle model.

   1. (a)

      A metal block has mass 540 g and volume 200 cm³. Calculate its density.

      [4]
   2. (b)

      Name the changes of state when ice becomes liquid water, and when liquid water becomes steam.

      [3]
   3. (c)

      Explain why the pressure of a gas in a sealed container rises when it is heated.

      [4]
   4. (d)

      State what is meant by the internal energy of the gas.

      [2]
4. 14

   This question is about atoms and radioactivity.

   1. (a)

      Describe the structure of an atom, naming the particles and where they are found.

      [3]
   2. (b)

      State what an alpha particle is, and describe its range in air and its penetration.

      [3]
   3. (c)

      A source has activity 80 Bq. After 6 hours its activity is 20 Bq. Show that its half-life is 3 hours.

      [4]
   4. (d)

      A hospital injects a patient with a radioactive material so an imaging machine can track blood flow. Name this use and explain one property the material needs.

      [4]
5. 15

   This question is about energy resources and the National Grid.

   1. (a)

      Sort these into renewable and non-renewable: coal, wind, solar, natural gas, hydroelectric, nuclear fuel.

      [4]
   2. (b)

      Give one advantage and one disadvantage of wind power compared with a gas power station.

      [4]
   3. (c)

      The National Grid transmits electricity at very high voltage. Explain why this reduces energy loss in the cables.

      [4]
   4. (d)

      Name the device that changes the voltage of the supply, and state what happens to the voltage near your home.

      [3]
   5. (e)

      Explain how the earth wire protects a user if a metal kettle’s live wire touches the metal case.

      [3]
6. 16

   A student measures the specific heat capacity of an aluminium block using an electric heater and thermometer.

   1. (a)

      Describe how the student should carry out the investigation.

      [5]
   2. (b)

      The measured value of the specific heat capacity is higher than the accepted value. Explain why.

      [3]
   3. (c)

      State one improvement to reduce this error.

      [2]
   4. (d)

      The heater draws 2.0 A at 12 V for 500 s. The 1.0 kg block’s temperature rises by 12.5 °C. Calculate the specific heat capacity.

      [6]
   5. (e)

      The thermometer reading fluctuates by ±0.5 °C. Explain whether this matters much to the result.

      [3]