P 6.1 How does energy transform matter?

P 6.1 How does energy transform matter?

10th Grade

10 Qs

quiz-placeholder

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 P 6.1 How does energy transform matter?

P 6.1 How does energy transform matter?

Assessment

Quiz

Physics

10th Grade

Hard

Created by

Yusuf Satilmis

FREE Resource

10 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

Define density. [1 Mark]

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2.

OPEN ENDED QUESTION

3 mins • 2 pts

A volume of air measuring 3.0 m3 has a mass of 3.9 kg.

Calculate its density. [2 Marks]

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3.

OPEN ENDED QUESTION

3 mins • 2 pts

Media Image

Georgina does an experiment to test the hypothesis ‘the reason why a solid floats or sinks in a liquid depends upon both the density of the solid and the density of the liquid’.

She was given blocks of rubber and wood and bottles of maple syrup and baby oil.

Georgina concludes that the density of both the solid and the liquid affects whether it floats or sinks.

Use the data to justify Georgina’s conclusion.

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4.

OPEN ENDED QUESTION

3 mins • 2 pts

Media Image

The diagram shows a common type of electric heater. It contains oil which is heated by an electrical element.

Show that more than 700 000 J of energy is needed to heat the oil from 20 °C to 120 °C.

Use the equation:

change in internal energy = mass × specific heat capacity × change in temperature [2 Marks]

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5.

OPEN ENDED QUESTION

3 mins • 3 pts

An electrical heater of power 60 W is placed into 200 g of water at 100 °C. Calculate the
mass of water that evaporates in a time of 200 s.

(Specific latent heat of vaporisation of water = 2300 J/g)

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6.

OPEN ENDED QUESTION

3 mins • 3 pts

1 Ethanol is produced when sugar is fermented with yeast. The fermentation products are
distilled to extract the ethanol. Calculate the energy needed to distill 3 kg of ethanol from a mixture that is at a constant 78 °C. Give your answer to 2 significant figures.

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7.

OPEN ENDED QUESTION

3 mins • 2 pts

Water has a density of 1000 kg/m3. What is the mass of water needed to fill a rectangular
bath 175 cm long, 75 cm wide, and 50 cm deep?

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