Science Paper – Chemistry & Physics (Full)

Progression Step 5 · Years 10–11

60 mins · 54 marks · Both

Practice only – not official WJEC past papers. Use alongside your school teaching and revision guides.

Answer all questions. Show calculation working. 60 minutes.

1. Question 1[4 marks]

   Proton, neutron, electron: charge and relative mass.

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2. Question 2[5 marks]

   Balance Fe + O₂ → Fe₂O₃. Type of reaction?

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3. Question 3[4 marks]

   Element vs compound.

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4. Question 4[5 marks]

   Force 20 N, mass 4 kg. Acceleration? Unit?

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5. Question 5[6 marks]

   Energy stores when a ball is thrown up and falls (no air resistance).

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6. Question 6[8 marks]

   Kettle 2000 W for 3 minutes. Energy in J? Cost at 30p/kWh?

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7. Question 7[5 marks]

   Describe the pH scale and what a neutralisation reaction produces.

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8. Question 8[5 marks]

   Explain the difference between endothermic and exothermic reactions.

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9. Question 9[6 marks]

   Speed-time graph: constant speed then constant deceleration to rest. Sketch description and what area represents.

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10. Question 10[6 marks]

    Explain the difference between series and parallel circuits for current and voltage.

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