Form 1 Science Chapter 6
FORM 1 CHAPTER 6 SOURCES OF ENERGY 1. Diagram 1 shows a durian
dropping down from a tree
P QDiagram 1 (a)What form of energy does the durian have in each
of the following position? P: .. . : .. . [2 marks]
(b) As the durian falls to the ground, what form of
energy is (i) increasing . [1 mark] (ii) decreasing . . [1
mark]
(c)What is the energy change involved as the durian falls to the
ground?
[2 marks]
(d) What form of energy is produced when the durian hits the
ground?
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Form 1 Science Chapter 6
[1 mark] 2.QDiagram 2 shows three sources of energy. R: . : . P:
.
Diagram 2 (a)On Diagram 2, label the types of sources of energy
using the following words: Wind Water Fossil fuels [3 marks]
(b)Draw lines to match the sources of energy with its description
Descriptio Sources of n energy Energy obtained from air that moves
from a cooler place to warmer place a Fossil fuels
Energy obtained from decomposing plants and animals Water Energy
obtained from the ofremainsand animals buried plants decomposed in
the earth long ago and Wind that is stored in a dam
Energy obtained from flowing water
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Form 1 Science Chapter 6
[3 marks] (c) State two advantages of using solar energy. (i)..
. (ii) ............................ [2 marks] (d) More than half of
the sources of energy used today come from fossil fuels. This
source of is depleting. State two ways that will help to conserve
this source of energy energy. (i) . (ii)
............................ [2 marks]
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Form 1 Science Chapter 6
3. Diagram 3.1 shows a swinging pendulum.
P
R
Diagram 3.1 (a) State the energy change as the pendulum swings
from P to Q and then to R. ... [1 mark] (b) At which positions
labelled, P, Q, and R does the pendulum have maximum kinetic energy
: (i)
(ii)
maximum potential energy: [2 marks]
(c) Diagram 3.2 shows a toy car. The spring in the toy car is
wound up.
Diagram 3.2 (i) What is the form of energy stored in the wound
up spring?
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Form 1 Science Chapter 6
[1 mark] (ii) What happens to the toy car when it is released on
the floor? [1 mark] (iii) State the energy change in this
situation. [1 mark]
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Form 1 Science Chapter 6
4.QDiagram 4 shows some forms of energy.
P: ..
: .
R:
Diagram 4.1 (a) Label P, Q and R on Diagram 4.1 using the
following words. Light energy Chemical energy Potential energy [3
marks]
(b) A marble is released from position P as shown in
Diagram4.2.
P
S
(i) State the form of energy in the marble at position P. .. R
Diagram 4.2JPN Pahang 2009
[1 mark]
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Form 1 Science Chapter 6
(ii) At which position does the marble have the maximum kinetic
energy? .. [1 mark] (iii) State the energy change that takes place
as the marble moves from P to R and to S. . [1 mark]
then
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Form 1 Science Chapter 6
1.QDiagram 5 shows sources of energy P, Q, R and S. P Q
R
S
Diagram 5 Based on your observation in Diagram 5, (a)Name the
sources of energy. P: : . R: . .. S: .. [4 marks] (b) Classify P,
Q, R and S in Diagram 5 into two groups based on their common
properties. the names of the sources of energy belonging to each
Write group. P, Q, R and S
Common properties
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Names of sources of energy
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