Test your knowledge of weathering and erosion of cliffs for A level with this 12-question quiz.

If you haven't already done it, work through the coasts, tides and current web enquiry on the PowerPoint. Or do it again to help fill in any gaps in what you know!

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HIGH SCORES

Rank Name Score
1st EFA 18
2nd LED 15
3rd mjg 12
4th BPD 10
5th ### ###
6th ### ###
7th ### ###
8th ### ###
9th ### ###
10th ### ###

QUIZZES // Coasts: tides and currents

Q1. Which of these is the best definition of a tide?

The alternating advance and retreat of seawater along a coastline

The difference in height between low water and high water

The alternating rise and fall of sea levels along a coastline

Something which, if taken at the flood, leads on to fortune

Q2. How large (in metres) is the tidal range at the Menai Strait at its maximum?

0.6 metres

Over three metres

Four metres

Over seven metres

Q3. The Menai Strait is a narrow strip of sea separating which island from the UK mainland?

Anglesey

The Isle of Wight

Rathlin Island

The Isle of Arran

Q4. Which scientist discovered the reason for tides?

Galileo Galilei (1564–1642)

Isaac Newton (1642–1727)

Pierre-Simon Laplace (1749–1827)

George Darwin (1845–1912)

Q5. What pulls water away from the Earth on the side facing away from the Moon?

Centripetal force

Centrifugal force

Inertia

Gravity

Q6. What are spring tides?

High tides that occur in sprin

Low tides that occur in spring

A period of moderate tides when the Sun and Moon are at right angles to each other

High tides that occur when the Sun and Moon are in alignment with the Earth

Q7. Which one of these locations has the highest tidal range in the world?

Bay of Fundy, Canada

The Severn Estuary, UK

Anchorage, Alaska, USA

Venice, Italy

Q8. There is a system of currents bringing warm water from the tropics northwards towards the poles, and then returning towards the Equator again, called the AMOC. What do you think AMOC stands for?

A Massive Ocean Circulation

Atlantic Meridional Overturning Circulation

Atlantic Meso-scale Ocean Circulation

A Massive Overturning Circulation

Q9. Which one of these is a current that moves towards the shore?

Ebb

Flow or flood

Slack water

Gyre

Q10. Which one of these would be most likely to change the sediment cell circulation you’d expect to see in a coastal system?

A micro-tidal range

A meso-tidal range

A macro-tidal range

Ebb and flow currents following different routes

Q11. Which of these conditions will a small tidal range on a coast result in?

A dispersed zone of wave attack and deposition

A concentrated zone of wave attack but dispersed deposition

A concentrated zone of wave attack and deposition

A dispersed zone of wave attack but concentrated deposition

Q12. If you walked down a beach towards the sea, which best describes the area of the beach between high and low water marks?

Offshore

Foreshore

Inshore

Backshore

Finished!

You scored this time. The more correct answers you give, and the fewer incorrect answers you guess, the better your score.

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