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Unit Quiz

Matter

This quiz will help you to assess your learning of key concepts and knowledge in this unit.

Q1.When a substance melts, evaporates or boils, which four of the following things are true for it's particles?

Select four (4) boxes

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Q2.In the flat sections on a heating curve, what is happening to the SUBSTANCE.

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Q3.In the flat sections on a heating curve, what is happening to the PARTICLES

Select one (1) boxes

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Q4.Why are dam walls built thicker at the bottom?

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Q5.Why do submarines need reinforced hulls?

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Q6.We say that the forces from pressure in liquids act in which directions to a surface? (Tick 4 boxes)

Select four (4) boxes

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Q7.Why do we not feel atmospheric pressure?

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Q8.Why does water boil easier at higher altitudes?

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Q9.Which is the best definition of diffusion?

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Q10.In which states of matter can diffusion happen?

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Q11.Why can't diffusion happen in solids?

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Q12.What will an increased temperature do to the rate of diffusion?

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Q13.Why does a change in temperature affect the rate of diffusion?

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Q14.What effect does decreasing the concentration gradient have on the rate of diffusion?

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Q15.Which state of matter has the highest density?

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Q16.Which state of matter has the lowest density?

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Q17.Why do liquids have similar densities to solids?

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Q18.Density is defined as the mass per unit _________ ?

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Q19.The equation for calculating density is?

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Q20.Complete the sentence, 'An object can float if it's own density is _________ than the liquid it is placed into'

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Q21.How does the 'weight' of an object in water compare to weight in air?

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Q22.What are the units of force?

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Q23.What is the upward force that acts on an object in water?

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Q24.In water as the depth increases the pressure . . .

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Q25.Solids liquids and gases can be compressed. True or false?

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Q26.Which answer describes particles in a solid?

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Q27.Which answer describes particles in a liquid?

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Q28.Which answer describes the particles in a gas?

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Q29.Why can a solid keep its shape?

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Q30.Why does a liquid flow?

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Q31.Why do gases travel and spread?

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Q32.Which of the below is a unit for pressure? (Tick 3 boxes)

Select three (3) boxes

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Q33.How do the particles move in a solid?

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Q34.What are the units of mass?

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Q35.The density of water is 1 and the density of oil is 0.93. Will oil float or sink in water?

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Q36.The brick has a mass of 900 g and a volume of 100 cm³ Calculate the density of the brick.

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Q37.What is the change of state when a liquid becomes a solid?

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