Look inside the AQA GCSE Combined Science Trilogy Physics, Foundation tier guide (8464)

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Look inside the AQA GCSE Combined Science Trilogy Physics, Foundation tier guide

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AQA · GCSE · 8464
Combined Physics Foundation
Active Recall Guide
994 questions
Combined Physics FoundationContents
Contents
7 topics, 55 subtopics
  1. Atomic Structure138
  2. Electricity205
  3. Energy153
  4. Forces264
  5. Magnetism and Electromagnetism53
  6. Particle Model of Matter104
  7. Waves77
ii
ElectricityQuestions
Electricity
Circuit symbols, electrical charge and current
  1. What kind of symbols are used in a circuit diagram, and why?
  2. Describe the circuit symbol for a cell, and say how the symbol for a battery differs from it.
  3. Which components are shown by a circle containing the letter A and a circle containing the letter V?
  4. How does the symbol for a variable resistor differ from the symbol for a fixed resistor?
  5. Describe the circuit symbol for a diode.
  6. Where must an ammeter be connected if it is to measure the current through a lamp?
  7. Where must a voltmeter be connected if it is to measure the potential difference across a resistor?
  8. A diagram shows one cell, a closed switch and two lamps joined in a single loop. What happens when the switch is opened?
  9. How can you tell from a circuit diagram that two lamps are connected in parallel?
12
ElectricityAnswers
Answers
Circuit symbols, electrical charge and current
  1. Standard agreed symbols, so that the same diagram means the same circuit to everyone who reads it.
  2. A cell is a long thin line beside a short thick line, the long line being the positive terminal, and a battery is two or more of these cell symbols in a row.
  3. An ammeter and a voltmeter.
  4. A fixed resistor is a plain rectangle in the wire, while a variable resistor is that rectangle with an arrow drawn through it.
  5. A triangle pointing at a straight bar, the triangle pointing in the direction in which current can pass.
  6. In series with the lamp, in the same loop, so that all the current through the lamp passes through the meter.
  7. In parallel with the resistor, joined across its two ends.
  8. Both lamps go out, because the single loop is broken and no charge can flow.
  9. The circuit splits into two branches that each hold one lamp and then rejoin, so there is more than one path for the charge.
13
EnergyQuestions
Energy
Kinetic energy
  1. State the three situations in which you should be able to calculate the energy stored by an object.
  2. State the two quantities that determine the kinetic energy of a moving object.
  3. State the equation, in words, for the kinetic energy of a moving object.
  4. A student writes that kinetic energy = ½ × mass × speed. Explain what is wrong with this.
  5. State the symbol equation for the kinetic energy of a moving object.
  6. A car of mass 1200 kg travels at 20 m/s. Calculate its kinetic energy.
  7. A cricket ball of mass 0.15 kg is bowled at 40 m/s. Calculate its kinetic energy.
  8. An object of mass 2 kg has 900 J of kinetic energy. Calculate its speed.
  9. An object moving at 10 m/s has 500 J of kinetic energy. Calculate its mass.
34
EnergyAnswers
Answers
Kinetic energy
  1. A moving object, a stretched spring, and an object raised above ground level.
  2. Its mass and its speed.
  3. Kinetic energy = ½ × mass × speed².
  4. The speed must be squared, so kinetic energy = ½ × mass × speed².
  5. Eₖ = ½mv².
  6. Eₖ = ½ × 1200 × 20² = 240 000 J, or 240 kJ.
  7. Eₖ = ½ × 0.15 × 40² = 120 J.
  8. v² = 2 × 900 ÷ 2 = 900, so v = 30 m/s.
  9. m = 2 × 500 ÷ 10² = 10 kg.
35
Particle Model of MatterQuestions
Particle Model of Matter
Density of materials
  1. In words, what does the density of a material tell you?
  2. State the equation that links density, mass and volume.
  3. Rearrange the density equation to make mass the subject.
  4. Rearrange the density equation to make volume the subject.
  5. What symbol is used for density, and in what unit is it measured?
  6. In what unit must mass be given when using the density equation?
  7. In what unit must volume be given when using the density equation?
  8. A block has a mass of 2.4 kg and a volume of 0.0030 m³. Calculate its density.
  9. A liquid has a density of 1200 kg/m³. Calculate the mass of 0.050 m³ of the liquid.
56
Particle Model of MatterAnswers
Answers
Density of materials
  1. It tells you how much mass is contained in a given volume of the material.
  2. Density = mass ÷ volume, written ρ = m/V.
  3. Mass = density × volume, written m = ρV.
  4. Volume = mass ÷ density, written V = m/ρ.
  5. Density is given the symbol ρ and is measured in kilograms per metre cubed, kg/m³.
  6. Mass must be in kilograms, kg.
  7. Volume must be in metres cubed, m³.
  8. Density = 2.4 ÷ 0.0030 = 800 kg/m³.
  9. Mass = 1200 × 0.050 = 60 kg.
57
Keep going
994
questions
55 subtopics

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994 questions
Across 55 subtopics, every one of them from specification 8464.
One PDF
Print it, or work from a screen with a notebook beside you.
Answers after, not beside
Covering the answers is a matter of not turning the page, which is what makes the closed-book pass possible.

How the guide is worked

Answering a question from memory stores it far better than reading the answer again. The guide runs that as a fixed procedure on one subtopic at a time, about twenty minutes a session.

  1. Step 1 · Closed book

    Cover the answers. Work through one subtopic and write down what you can. Leave blanks where you have nothing.

  2. Step 2 · Open book

    Go back to the top. Read each printed answer and write it out in full, including the ones you had right.

  3. Step 3 · Closed book again

    Same questions, same order, from memory. The gap between pass one and pass three is the session result.

Read the full method, the return schedule and the research behind it.

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