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Quiz von Jeffrey Piggott, aktualisiert more than 1 year ago
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Erstellt von Jeffrey Piggott
vor etwa 8 Jahre
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Frage 1
Frage
A ruler is used to measure the length of a nail.
What is the length of the nail?
Antworten
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1.3 cm
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2.9 cm
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5.2 cm
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8.1 cm
Frage 2
Frage
In an experiment, two students investigated the speed and frequency of waves on the sea. This is shown is Fig. 3.1.
The two students stood 60 metres apart on a pier that projected a long way into the sea.
Student A waved his hand when a wave passed him. At that moment, student B started a clock.
Student B watched the wave as it moved towards him. When the wave reached him, he stopped the clock.
The students repeated this procedure until they had four results. Fig. 3.2 shows the clock dials for the four results.
Read the dials and then determine:
(i) the average time taken for the wave to travel 60.0 metres .
(ii) the average speed of the wave.
Antworten
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(i) 45.5 s (ii) 0.76 m/s
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(i) 46 s (ii) 0.77 m/s
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(i) 45.5 s (ii) 0.8 m/s
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(i) 46 s (ii) 0.8 m/s
Frage 3
Frage
Fig. 2.1 shows the lower surface of a leaf from a dicotyledonous plant, on a 1 cm^2 grid.
Calculate the surface area of the leaf in Fig. 2.1.
Surface area = [blank_start]33[blank_end] cm^2.
Antworten
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33
Frage 4
Frage
The diagram shows the height of a stack of identical coins.
What is the thickness of one coin?
Antworten
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A) 0.20 mm
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B) 2.0 mm
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C) 0.24 cm
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D) 2.0 cm
Frage 5
Frage
A student is investigating a coloured mixture using chromatography.
Where should the student place the coloured mixture?
Antworten
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A) in the solvent
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B) just above the pencil line
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C) just below the pencil line
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D) on the pencil line
Frage 6
Frage
The diagrams show liquids in a burette and a measuring cylinder.
Which row shows the correct readings for the burette and the measuring cylinder?
Antworten
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A
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B
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C
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D
Frage 7
Frage
The diagram shows the steps in the preparation of a salt.
What are the names of the processes taking place in steps 3 and 4?
Antworten
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step 3: evaporation; step 4: distillation
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step 3: filtration; step 4: condensation
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step 3: filtration; step 4: evaporation
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step 3: condensation; step 4: evaporation
Frage 8
Frage
The diagram shows two readings taken with the same burette.
What is the change in the volume of the liquid in the burette between the two readings?
Antworten
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A) - 5.5 ml
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B) + 25.5 ml
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C) - 25.5 ml
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D) not possible to know.
Frage 9
Frage
A student uses a measuring cylinder to measure the volume of some water. The diagram shows part of the measuring cylinder. The top and bottom of the meniscus are labelled.
What is the volume of the water?
Antworten
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A) 47.0 cm^3
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B) 47.5 cm^3
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C) 49.0 cm^3
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D) 49.5 cm^3
Frage 10
Frage
The diagram shows four identical spheres placed between two wooden blocks on a ruler.
What is the diameter of one sphere?
Antworten
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A) 1.0 cm
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B) 2.0 cm
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C) 3.0 cm
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D) 4.0 cm
Frage 11
Frage
A student has a beaker of liquid. The student makes some measurements. His results are shown in the table
What is the mass of the liquid in the beaker?
Antworten
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A) 160 g
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B) 80 g
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C) 360 g
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D) 160 g
Frage 12
Frage
A falling object pulls a paper strip through a timer. The timer marks dots on the paper strip at intervals of 0.020 s.
The diagram shows a section of the paper strip with the first three dots marked.
What are the average speeds of the falling object in each of the first two 0.020 intervals?
Antworten
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A) 1st interval: 0.095 m/s; 2nd interval: 0. 38 m/s
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B) 1st interval: 0.095 m/s; 2nd interval: 0. 285 m/s
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C) 1st interval: 10.53 m/s; 2nd interval: 2. 63 m/s
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D) 1st interval: 10.53 m/s; 2nd interval: 3. 51 m/s
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