S1 – Block 1 KU Test Revision
Waves and Electricity (Q1 to Q15)
1) A plane mirror reflects light at any given angle.
What is the name given to the line drawn at 90o to the mirror where the angles are drawn
from?
2) State the Law of Reflection.
3) What happens to parallel rays of light when they pass through a convex lens?
4) What happens to parallel rays of light when they pass through a concave lens?
5) The glass of a prism alters the angle of light rays passing through it. What is this called?
6) When light is passed through a prism seven colours come out in a particular order.
a) Name the colours in order from the top to the bottom.
b) What is the name given to this group of seven colours?
7) a) If a person stands on a polystyrene box and touches a Van de Graaff generator,
what is noticeable about their hair?
b) Explain how this happens to their hair in terms of the electrons (negative charges).
8) Draw the circuit symbols for:
a) Battery (or a cell)
b) Wire
c) Lamp (Bulb)
d) Ammeter
e) Buzzer
f) Electric Motor
g) Switch.
9) State the main energy change in:
a) Lamp (Bulb)
b) Electric Motor
c) Buzzer.
10) a) What type of material is an electrical conductor usually made of?
b) List four materials that are electrical conductors.
11) a) What type of material is an electrical insulators usually made of?
b) List four materials that are electrical insulators.
12) Name the two conditions that we must have to allow a current to flow in an
electrical circuit?
13) a) Which instrument is used to measure electrical current?
b) How is this instrument connected into an electrical circuit?
c) Which unit is electrical current measured in?
d) What can we say about the electrical current at any point in a
series circuit?
14) a) Which instrument is used to measure voltage?
b) How is a voltmeter connected in an electrical circuit?
c) Which unit is voltage measured in?
d) What can we say about the voltage across each of the components in a
series circuit?
15) a)What happens to the current from the battery in a parallel circuit?
b) What can we say about the voltage across each branch in a parallel circuit?
Body Systems (Q16 to Q40)
16) The lungs are the organs of gas exchange.
Explain this statement using the following terms: breathing, oxygen, bloodstream,
and carbon dioxide.
17) Describe the structure of the respiratory system using the following terms:
air, mouth or nose ,windpipe ,bronchi ,bronchioles and air sacs.
18) Which gas is needed for muscles to work and which gas do they get rid of?
19) What role do the lungs have in terms of the gases?
20) Emphysema is a slowly progressive destruction of the lungs.
What problem do the lungs have in terms of gas exchange?
21) Where are the lungs found in the chest cavity and what are they protected by?
22) When a person inhales air (goes in), what happens to the:
a) ribs
b) diaphragm
c) chest cavity?
23) When a person exhales air (goes out), what happens to the:
a) ribs
b) diaphragm
c) chest cavity?
24) Explain the difference between the terms Vital Capacity and Tidal Volume?
25) State three possible health risks associated with smoking.
26) Name the three main food types.
27) Give an example of each of the three main food types.
28) State the importance for each of these three main food types.
29) What is used as the transportation system to carry food around the body to the
places that it is needed?
30) What is meant by the term digestion?
31) State the names of the two types of digestion and an example of each.
32) The digestive consists of the alimentary canal and its associated organs.
a) What is meant by term alimentary canal?
b) What do the associated organs produce?
33) How does food move from the mouth to the anus?
Use the terms contraction, relaxation, front, behind and food to explain this.
34) What is the function of the stomach in the body and name the process that it
undergoes during digestion?
35) a) Name the three organs associated with digestion.
b) State the function of each of these organs.
36) State the names of the parts of the male and female reproduction systems and list
the function of each part.
37) During fertilisation the nucleus of the sperm meets the nucleus of the egg.
a) What is formed when the nucleus of the sperm meets the nucleus of the egg?
b) What will then develop?
38) What is meant by the term ‘Gestation Period’?
39) a) Does a whale or a human have the longest gestation period?
b) Explain your answer in a).
40) A foetus is the name given to a developing embryo in a human.
The foetus is attached by a special type of cord to its food source.
a) State the name of this type of cord.
b) Name the food source of the foetus.
Substances and Uses (Q41 to Q60)
41) What does the PH scale measure?
42) Name the three pieces of equipment that can be used to measure the PH of a
substance.
43) State the number range of the PH scale.
44) a) State the number range of acids on the PH scale.
b) State the number range of alkalis on the PH scale.
c) State the PH of a neutral solution.
45) a) What happens to the PH of a solution as it gets more acidic?
b) What happens to the PH of a solution as it gets more alkaline?
46) Fill in the table below using the following substances:
Vinegar, Oven Cleaner, Bleach, Cola, Lemon Juice and Dishwater Tablets.
Common household
alkalis
Common household acids
47) Fill in the table below using the following substances:
Calcium Hydroxide, Nitric Acid, Hydrochloric Acid, Ammonia solution,
Sulphuric Acid and Sodium Hydroxide.
Laboratory alkalis
Laboratory acids
48) When an acid is diluted what happens to its PH?
49) When an alkali is diluted what happens to its PH?
50) State the colour range involved with:
a) Acids ?
b) Alkalis?
51) Name the process which involves acids and alkalis being mixed together?
52) When non-metal objects react with air or oxygen, what types of compounds are
formed?
53) a) How is acid rain formed?
b) What effect does acid rain have on the environment?
54) Complete the word equations below and state whether these reactions occur
through burning or a spark:
Sulphur + Oxygen  ?
?
+
?
 Nitrogen Dioxide
55) Why are catalytic converters fitted to car engines?
56) The word equation in neutralisation is
ACID + ALKALI  SALT + WATER
Complete the following word equations:
a) Hydrochloric Acid + Sodium Hydroxide  A
b) Sulphuric Acid + Potassium Hydroxide 
c)
C
+
D
B
+
Water
+
 Calcium Chloride +
d) Nitric Acid + Magnesium Hydroxide 
E
+
Water
Water
Water
57) Put the following solutions into the table below:
Orange Juice, Bleach, Saliva and Cola.
Acids
Alkalis
58) a) What is the purpose of the hydrochloric acid in our stomach?
b) What is this process called?
59) How can acid rain kill fish in rivers?
60) How does acid rain affect plant growth?