Refresher Quiz RCa Refresher Quiz For each question slide, click on the mouse to reveal the correct answer(s) or click through the slides using the forward.

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Presentation transcript:

Refresher Quiz RCa Refresher Quiz For each question slide, click on the mouse to reveal the correct answer(s) or click through the slides using the forward buttons to see all of the questions without revealing the answers.

Refresher Quiz RCa 1 True or false? The melting point of ice is the same as the freezing point of water. true

Refresher Quiz RCa 2 What happens to the movement of particles when an object is cooled? they move about less

Refresher Quiz RCa 3 What process is the natural mixing of substances? diffusion

Refresher Quiz RCa 4 Diffusion occurs because… particles are always moving about

Refresher Quiz RCa 5 What are the tiny invisible ‘bits’ called that make up all substances? particles or atoms

Refresher Quiz RCa 6 Name one change of state which causes heat energy to be given out. freezing or condensing

Refresher Quiz RCa 7 Which state of matter has particles arranged in a regular pattern? solid

Refresher Quiz RCa 8 Which state of matter has particles arranged in no fixed pattern but quite close together? liquid

Refresher Quiz RCa 9 Which state of matter has well spread out particles? gas

Refresher Quiz RCa 10 Why does water taste different in different parts of the country? different amounts of salt are dissolved in it

Refresher Quiz RCa 11 What process is used to separate alcohol from a mixture of alcohol and water? distillation

Refresher Quiz RCa 12 What process is used to separate tea leaves from tea in a teabag? filtering (filtration)

Refresher Quiz RCa 13 Which method can be used to separate a liquid from an insoluble solid? filtering/filtration

Refresher Quiz RCa 14 What is the name of the method used to turn impure water into pure water by boiling it and collecting the vapour? distillation

Refresher Quiz RCa 15 Is seawater an element, a mixture or a compound? a mixture