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WorksheetsYear 8 Revision Quiz
Total questions: 40
Worksheet time: 39mins
Name
Class
Date
1.
Which substance is an important constituent of ‘high energy’ drinks?
a)
glucose
b)
artificial sweetener e.g.saccharin
c)
protein
d)
fat
2.
Which type of person would gain most benefit from a ‘high energy’ drink?
a)
100 m sprinter
b)
marathon runner
c)
racing car driver
d)
darts player
3.
a)
A
b)
B
c)
C
d)
D
4.
a)
A
b)
B
c)
C
d)
D
5.
Which of the following graphs best shows the relationship between cigarette smoking and lung cancer?
a)
A
b)
B
c)
C
d)
D
6.
Cigarette smoking or inhalation of dust can lead to a condition known as emphysema in which alveoli break down. Emphysema sufferers may be given supplies of oxygen-enriched air. How does this help their condition?
a)
It slows the rate of oxygen uptake by blood while alveoli recover
b)
It enables sufferers to respire anaerobically
c)
It increases the rate of diffusion of oxygen from damaged alveoli into bloodstream
d)
enables sufferers to take bigger breaths
7.
a)
Karl and Ned, but not Alan
b)
Karl and Alan, but not Ned
c)
Ned and Alan, but not Karl
d)
All three
8.
a)
A
b)
B
c)
C
d)
D
9.
Which process leads to an increase in
plant biomass?
plant biomass?
a)
Respiration
b)
Photosynthesis
c)
Absorbing water in the roots
d)
Flowering
10.
a)
A
b)
B
c)
C
d)
D
11.
a)
6
b)
12
c)
24
d)
48
12.
a)
A
b)
B
c)
C
d)
D
13.
Different energy resources can be used to provide electricity for large towns and cities. Which option below is correct about all the different energy resources that can be used?
a)
they all use fossil fuels
b)
they must produce steam
c)
they need a steam or a water turbine
d)
they provide energy to turn generators
14.
The power rating of a television is 200 W. Electricity costs 8 pence per kWh (kilowatt hour). How much does it cost to have this television on from 6 pm to 11 pm?
a)
8p
b)
16p
c)
40p
d)
64p
15.
Electricity from one supplier costs 8p per unit (8p per kWhr). The average power input to a washing machine is 1500 W. When the washing machine is on for 3 hours, what is the cost of the electricity used?
a)
24p
b)
36p
c)
48p
d)
96p
16.
Winds are an energy resource. How are winds formed?
a)
some parts of the Earth’s atmosphere get more clouds than others and the movement of clouds causes winds
b)
some of the Sun’s energy is absorbed by leaves on trees, which move to create winds
c)
some parts of the Earth’s surface are heated by the Sun more than others causing the air to rise
d)
some of the Sun’s energy is absorbed by molecules in the air and the molecules expand
17.
a)
chemical > heat > gravitational > electrical
b)
chemical > heat > kinetic > electrical
c)
gravitational > chemical > kinetic > heat
d)
heat > chemical > kinetic > electrical
18.
a)
W and X
b)
W and Y
c)
X and Y
d)
Y and Z
19.
a)
A
b)
B
c)
C
d)
D
20.
a)
A
b)
B
c)
C
d)
D
21.
a)
0.1A
b)
0.3A
c)
o.6A
d)
0.9A
22.
a)
A
b)
B
c)
C
d)
D
23.
a)
A
b)
B
c)
C
d)
D
24.
a)
A
b)
B
c)
C
d)
D
25.
a)
A
b)
B
c)
C
d)
D
26.
Why is soft iron is used for the core of an electromagnet?
a)
it increases the current flowing in the coil
b)
it insulates the wire in the coil
c)
it is a non-magnetic material
d)
it keeps its magnetism only whilst the current flows
27.
a)
A
b)
B
c)
C
d)
D
28.
a)
W and Y
b)
X and Y
c)
X and Z
d)
Y and Z
29.
Light travels through space at about 300 million metres per second. The distance from the Sun to the Earth is about 150 million kilometres. How long, approximately, will it take light to get from the Sun to the Earth?
a)
200 seconds
b)
500 seconds
c)
2000 seconds
d)
5000 seconds
30.
a)
A
b)
B
c)
C
d)
D
31.
a)
g, h and i
b)
h, i and j
c)
i, j and k
d)
j, k and l
32.
a)
A
b)
B
c)
C
d)
D
33.
A ship sends an ultrasound signal from the bottom of the ship to the seabed. The ship receives an echo 3 seconds later. Ultrasound travels at a speed of 1500 m/s through seawater. How deep is the sea at this position?
a)
500m
b)
2250m
c)
4500m
d)
9000m
34.
a)
loudness decreasing, pitch constant
b)
loudness decreasing, pitch increasing
c)
loudness increasing, pitch constant
d)
loudness increasing, pitch increasing
35.
a)
pH 0
b)
pH 1
c)
pH 2
d)
pH 3
36.
a)
10cm3
b)
20cm3
c)
30cm3
d)
40cm3
37.
a)
A
b)
B
c)
C
d)
D
38.
What can be concluded from the following information about a solid?
- It gives hydrogen when added to cold water.
- It reacts violently with dilute acids.
- It displaces zinc from a solution of zinc chloride.
- It gives hydrogen when added to cold water.
- It reacts violently with dilute acids.
- It displaces zinc from a solution of zinc chloride.
a)
It is a non-metal
b)
It is a reactive metal
c)
It is a salt
d)
It is an unreactive metal
39.
The same amount of magnesium powder is added to 25 cm3 solutions of different compounds. With which solution will most energy be released?
a)
Copper sulphate
b)
Silver nitrate
c)
Sodium chloride
d)
Zinc chloride
40.
The reactions shown in the picture are....? (in order)
a)
oxidation, reduction, neutralisation, combustion
b)
synthesis, digestion, displacement, redox
c)
precipitation, decomposition, neutralisation, oxidation/reduction
d)
combination, decomposition, single displacement, double displacement
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