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HIA International — Grade 6

Unit 1: Cells and organisms

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Unit 2: States of matter, atoms and compounds

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Unit 3: The Solar System and energy

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Unit 4: Living organisms and classification

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Unit 5: Metals, non-metals, acids and alkalis

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Unit 6: Sound, the Earth and eclipses

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Unit 7: Microorganisms and food webs

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Unit 8: Chemical reactions

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Unit 9: Electricity and circuits

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Quiz

Checkpoint Grade 6 Unit 3 – 3.4 Tides

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Tides Checkpoint Earth and Space quiz: free practice for Cambridge Checkpoint Earth And Space 0893. Work through this Tides Checkpoint Earth and Space quiz and get instant feedback on every answer. If you get stuck, review the 1.4 Tides lesson. More practice: Cambridge Checkpoint Earth And Space 0893 — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 44
  • Passing grade: B+
  • Time limit:
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1.
Which statement best expresses the lesson objective about Tides?
Explain what tides are
The terms coastal and depth are always interchangeable
Evidence is unnecessary when studying Tides
Every model is an exact copy of reality
2.
Which practical work belongs to Tides?
Evaluate a model of Solar System formation and distinguish evidence from speculation
Use force diagrams and compare motion in air with motion in a vacuum
Measure or calculate weight using W = m × g and use correct units
Interpret tidal-range information and relate it to the positions of the Earth, Moon and Sun
3.
A depth sensor in a harbour recorded the water depth for one whole day. The graph shows the results. About how long is it between the two high tides?
Dr Dabour Hub Academy - figure 1
About 6 hours
About 12½ hours
About 24 hours
About 18 hours
4.
A ferry needs at least 4.5 m of water to enter Port Hollis safely. The graph shows the depth in the harbour between 06:00 and 18:00. When can the ferry safely enter?
Dr Dabour Hub Academy - figure 2
From about 06:00 to about 08:00
From about 12:00 to about 16:00
From about 08:00 to about 12:00
Only at exactly 10:00
5.
The diagram shows the Earth and the Moon. Four coastal places A, B, C and D are marked. Which places have a high tide at this moment?
Dr Dabour Hub Academy - figure 3
A and C, on the sides nearest and furthest from the Moon
A only, on the side nearest the Moon
B and D, at right angles to the Moon
C only, on the side furthest from the Moon
6.
The diagram shows three possible positions of the Sun, Earth and Moon (not to scale). In which positions will the Earth have spring tides?
Dr Dabour Hub Academy - figure 4
Position Q only
Position P only
Positions Q and R only
Positions P and R only
7.
An energy company wants to build a tidal power station, which generates electricity from moving water. Using the bar chart, which location would be the best choice?
Dr Dabour Hub Academy - figure 5
Naples, because the water is always calm there
Bay of Fundy, where most water moves in and out
Kingston, because warm seas give more energy
Mumbai, because it has the most people nearby
8.
Diagrams A to D show the Earth and the Moon, with arrows for the gravitational forces between them. Which diagram shows these forces correctly?
Dr Dabour Hub Academy - figure 6
Diagram A, as only the Earth pulls
Diagram B, as only the Moon pulls
Diagram C, as each pulls the other
Diagram D, as each pushes the other away
9.
Grace read a tide pole in a harbour at high tide (09:00) and at the next low tide (15:00), as shown. What is the tidal range?
Dr Dabour Hub Academy - figure 7
3.5 metres
5.5 metres
4.5 metres
1.0 metres
10.
The table is a tide timetable for Mombasa for one day. Which statement about the timetable is correct?
There is only one high tide in this day, at 02:48
The afternoon tidal range is larger than the morning one
Low tides come about 3 hours after each high tide
High tides are about 12 h 25 min apart, with low tides about 6 h after
11.
Tom looked at the data in the table and said: "The Sun has far more mass than the Moon, so the Sun must cause most of the tides." Which is the best evaluation of Tom's claim?
Wrong – the Moon is much closer, so its tidal force is about twice the Sun's
Correct – more mass always means a bigger tidal force
Correct – the Sun is far away, so its pull reaches all the oceans
Wrong – the Sun has no effect on tides at all
12.
A class recorded the highest high tide and lowest low tide at their local beach on four days in one month. On which days were there neap tides, and what was the Moon's phase?
Days 1 and 15, at new moon and full moon
Days 8 and 22, at new moon and full moon
Days 8 and 22, at first and last quarter
Days 1 and 15, at first and last quarter
13.
The water in a harbour is 1.8 m deep at low tide and 5.9 m deep at high tide. The table shows the depth each boat needs. Which boat can use the harbour only around high tide?
The ferry
The fishing boat
The cargo ship
The small yacht
14.
Mei counted the oystercatchers (shellfish-eating birds) feeding on a mudflat during one day. Which explanation best fits her results?
The birds leave because the Moon pulls them away at high tide
The birds only feed at midday, whatever the tide
Shellfish only grow on the mudflat at low tide
At low tide the shellfish are no longer covered by water
15.
Adam recorded the times of high tide at a jetty for three days. Which statement describes and explains the pattern?
High tides are at the same times every day, as the Earth spins in 24 hours
High tides are about 50 min later each day, as the Moon moves along its orbit
High tides are about 50 min earlier each day, as the Sun rises earlier
High tides are 24 hours apart, as there is one bulge of water
16.
Why does the Moon's gravity make a large bulge in the oceans but only a very small rise in the land?
Water can be pulled out of shape more easily than land
The Moon's gravity only acts on liquids
The land is magnetic, so it resists the pull
The oceans are closer to the Moon than the land
17.
A coastal town is warned about possible flooding. At which time is flooding most likely?
At a neap low tide during calm weather
At a spring low tide during calm weather
At a neap high tide on a clear, still night
At a spring high tide during strong winds
18.
A town is deciding between building a tidal power station and a wind farm. What is the main advantage of tidal power?
Tides happen only once a week, so it is simpler
The times of the tides can be predicted in advance
Tidal power does not need any moving water
Tides are strongest when the wind is calm
19.
Why is there also a high tide on the side of the Earth furthest from the Moon?
The Moon pulls the solid Earth more than the far water
The Sun always pulls the water on that side
The wind pushes the water around the Earth
Water flows there from the side nearest the Moon
20.
Ruth says: "The Sun is so far away that it has no effect on the tides." Which observation shows that she is wrong?
There are two high tides every day at most coasts
High tides happen about 50 minutes later each day
The land rises and falls by about 30 cm each day
Tidal ranges are largest when the Sun and Moon are in line
21.
Each option pairs a key term with its meaning. Which pairing is correct?
Depth – the height of the waves on the sea surface
Harbour – a coastal area that floods at every high tide
Tidal range – difference in depth between high and low tide
Tidal force – the push of the wind on the sea
22.
Each option pairs a Moon phase with the tides that happen then. Which pairing is correct?
First quarter – spring tides with the largest range
Full moon – neap tides with the smallest range
Last quarter – spring tides as pulls add up
New moon – spring tides with the largest range
23.
Each option pairs an effect of tides with a correct explanation. Which pairing is correct?
Coastal flooding – most likely at high tide with strong winds
Harbour closed to boats – water too deep at low tide
Danger to small boats – water never flows in or out
Uncovered rock pools – they appear at high tide
24.
Which term is described as: the point in the cycle when the sea reaches its lowest level?
low tide
tide
tidal bulge
high tide
25.
Match the term to its correct meaning: neap tide
the regular rise and fall of the level of the sea
the point in the cycle when the sea reaches its highest level
the point in the cycle when the sea reaches its lowest level
the smaller tide when the Sun and Moon pull at right angles
26.
Match the term to its correct meaning: tidal bulge
the difference in sea level between high tide and low tide
electricity generated from the movement of the tides
the regular rise and fall of the level of the sea
the raised water pulled up by the Moon's gravity
27.
Which term is described as: the very high and very low tide when the Sun and Moon pull in line?
tide
spring tide
tidal bulge
high tide
28.
Tidal range = height of high tide − height of _____.
the next low tide
the next high tide
the sea bed
the harbour wall
29.
Spring tides happen when the Sun, Earth and Moon are _____.
at right angles
in a straight line
far apart in space
hidden by clouds
30.
Gravity is a force of _____ that works both ways between the Earth and the Moon.
repulsion
friction
attraction
magnetism
31.
Tidal power is a non-renewable energy resource. - True or false?
True
False
32.
Spring tides have the largest tidal range. - True or false?
True
False
33.
The Sun also affects the tides, but less than the Moon does. - True or false?
True
False
34.
Tides are random and cannot be predicted. - True or false?
True
False
35.
Tides are caused mainly by the wind blowing the sea towards the coast. True or false?
True – the statement is correct
True, but only on stormy days
True, and the Moon has no effect
False – mainly by the Moon's gravity
36.
Most coastal places have two high tides and two low tides each day. True or false?
True – the statement is correct
False – the statement is wrong
False – there is one of each a day
False – there are four high tides a day
37.
Spring tides only happen during the season of spring. True or false?
True – the statement is correct
True, because the Sun is higher then
False – they happen about twice a month
True, and neap tides happen in autumn
38.
The Moon pulls the sea towards it by magnetism. True or false?
True – the statement is correct
False – it is the Moon's gravity
True, as seawater contains metal
True, but only at full moon
39.
A coastal place has a high tide when it is between the two bulges of water. True or false?
True – the statement is correct
True, as the water is deepest there
True, but only at spring tides
False – between the bulges is low tide
40.
The land also rises and falls a little because of the Moon's pull; this earth tide has a range of about 30 cm. True or false?
False – the statement is wrong
False – land never moves at all
True – the statement is correct
False – the land moves by 16 metres
41.
At a port, high tide is at 10:00. The next low tide will be at about 16:00. True or false?
True – the statement is correct
False – the statement is wrong
False – it will be at about 22:00
False – it will be at about 11:00
42.
If the Moon were much further away from the Earth, the tidal ranges on Earth would be smaller. True or false?
False – the statement is wrong
True – the statement is correct
False – they would become larger
False – distance has no effect on tides
43.
At first quarter, the pulls of the Sun and the Moon partly cancel, so the tidal range is smaller than at full moon. True or false?
False – the statement is wrong
False – the pulls add at first quarter
False – the range is the same all month
True – the statement is correct
44.
A town that has a high tide now, because it faces the Moon, will have a low tide 12 hours later, when it faces away from the Moon. True or false?
False – it will be in the far bulge: high tide
True – the statement is correct
True, as the far side has no bulge
True, as the Moon cannot pull the far side
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Part of Unit 3: The Solar System and energy — see every lesson and quiz in this unit.
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