A student investigated the three states of matter - AQA - GCSE Physics - Question 1 - 2021 - Paper 1
Question 1
A student investigated the three states of matter.
The arrangement of particles in the three states of matter are different.
Draw one line from each particle arran... show full transcript
Worked Solution & Example Answer:A student investigated the three states of matter - AQA - GCSE Physics - Question 1 - 2021 - Paper 1
Step 1
Draw one line from each particle arrangement to the state of matter.
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Answer
Solid: Particles are closely packed together in a fixed arrangement.
Liquid: Particles are close but can move past each other.
Gas: Particles are far apart and move freely.
Step 2
Which part of Figure 1 shows when the ice was melting?
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Answer
B
Step 3
Which part of Figure 1 shows when the water was boiling?
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Answer
D
Step 4
Which property of the water particles changes as the temperature of the water increases?
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Answer
The kinetic energy of the particles
Step 5
Calculate the thermal energy needed to melt 0.250 kg of ice at 0 °C.
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