Three states of matter are solid, liquid and gas - Edexcel - GCSE Physics - Question 1 - 2016 - Paper 1
Question 1
Three states of matter are solid, liquid and gas.
(i) Particles in each state of matter move in different ways.
Draw a line from each state of matter to the descri... show full transcript
Worked Solution & Example Answer:Three states of matter are solid, liquid and gas - Edexcel - GCSE Physics - Question 1 - 2016 - Paper 1
Step 1
Particles in each state of matter move in different ways.
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Answer
Solid: Particles move randomly and are close together.
Liquid: Particles do not move.
Gas: Particles move around quickly and are far apart.
Step 2
Complete the sentence by putting a cross (X) in the box next to your answer.
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Answer
When a gas is cooled, most of the particles D move slower.
Step 3
Complete the sentence by putting an (X) in the box next to your answer.
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Answer
When 20 °C is changed to kelvin it becomes C 293 K.
Step 4
Calculate the new temperature of the air in the balloon in kelvin.
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Answer
To find the new temperature using the equation:
T2=V1V2T1
Where:
V1 = 0.25 m³
V2 = 0.10 m³
T1 = 293 K (20 °C in kelvin)
Calculating:
T2=0.25m30.10m3×293K=117.2K
Thus, the new temperature of the air in the balloon is approximately 117.2 K.
Step 5
Suggest one way of increasing the volume of the balloon.
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Answer
One way to increase the volume of the balloon is by heating/warming the balloon.
