Refresher Quiz RPc 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 RPc 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 RPc 1 What is a force? a push or a pull

Refresher Quiz RPc 2 What is drag? air resistance or water resistance

Refresher Quiz RPc 3 Why do car tyres wear away? friction with the road

Refresher Quiz RPc 4 What is upthrust? a force pushing up (from water or the ground etc)

Refresher Quiz RPc 5 What is air resistance? friction caused by air

Refresher Quiz RPc 6 What are the scientific units for measuring speed? metres per second (m/s)

Refresher Quiz RPc 7 What does weight mean? the force of gravity on something

Refresher Quiz RPc 8 Describe two things that forces can do. Two from: changes shape changes speed changes direction

Refresher Quiz RPc 9 Describe two ways that friction is useful. Answers might include: allows you to walk allows you to write stops you slipping off your chair

Refresher Quiz RPc 10 What is the shape of the magnetic field around a wire with a current flowing in it? circular

Refresher Quiz RPc 11 What is a permanent magnet? a magnet that does not depend on electricity

Refresher Quiz RPc 12 What do the lines around a magnet like this show? magnetic field

Refresher Quiz RPc 13 What will happen if you put the S ends of two magnets together? they will repel

Refresher Quiz RPc 14 Which way does the needle of a compass point? North

Refresher Quiz RPc 15 Name two magnetic elements. Two from: iron nickel cobalt