IGCSE Physics 4PH1 Unit 4: Energy Resources and energy transfers

0.0(0)
Studied by 0 people
call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/307

encourage image

There's no tags or description

Looks like no tags are added yet.

Last updated 6:41 AM on 5/10/26
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai

No analytics yet

Send a link to your students to track their progress

308 Terms

1
New cards
What is an energy store?
A way energy is held in an object or system.
2
New cards
What happens during an energy transfer?
Energy moves from one store to another.
3
New cards
What is the law of conservation of energy?
Energy cannot be created or destroyed, only transferred.
4
New cards
What energy store does food contain?
Chemical energy store.
5
New cards
What energy store does petrol contain?
Chemical energy store.
6
New cards
What type of energy store is in batteries?
Chemical energy store.
7
New cards
What happens to chemical energy when fuel burns?
It is transferred to thermal energy and light.
8
New cards
In a moving car, what energy store increases?
Kinetic energy store.
9
New cards
What is kinetic energy?
The energy store of a moving object.
10
New cards
What happens to kinetic energy when a car brakes?
It is transferred to thermal energy.
11
New cards
Which energy store depends on speed?
Kinetic energy store.
12
New cards
Does a stationary object have kinetic energy?
No.
13
New cards
Which energy store increases when an object is lifted?
Gravitational energy store.
14
New cards
What is gravitational energy?
Energy stored due to height in a gravitational field.
15
New cards
Which object has more gravitational energy: one on the floor or one on a shelf?
The one on the shelf.
16
New cards
What happens to gravitational energy when an object falls?
It transfers to kinetic energy.
17
New cards
What energy transfer happens in a roller coaster going downhill?
Gravitational to kinetic.
18
New cards
What is elastic energy?
Energy stored when an object is stretched or compressed.
19
New cards
Give an example of elastic energy storage.
A stretched spring.
20
New cards
What happens when a stretched rubber band is released?
Elastic energy transfers to kinetic energy.
21
New cards
Which energy store increases when a spring is compressed?
Elastic energy store.
22
New cards
What type of objects can store elastic energy?
Springs, rubber bands, bows.
23
New cards
What is thermal energy?
Energy store related to the temperature of an object.
24
New cards
Which objects have thermal energy?
All objects above absolute zero.
25
New cards
What happens to thermal energy when something heats up?
The thermal energy store increases.
26
New cards
What energy transfer happens when rubbing hands together?
Kinetic to thermal.
27
New cards
What happens to the thermal energy store when ice melts?
It increases.
28
New cards
What is a magnetic energy store?
Energy stored due to magnetic fields.
29
New cards
Give an example of a magnetic energy store.
Two attracting magnets.
30
New cards
What can magnets do using stored magnetic energy?
Pull or push objects.
31
New cards
What happens to magnetic energy when magnets move together?
It transfers to kinetic energy.
32
New cards
What is electrostatic energy?
Energy stored due to electric charges.
33
New cards
What causes electrostatic energy stores?
Positive and negative charges.
34
New cards
Give an example of electrostatic energy.
A charged balloon sticking to a wall.
35
New cards
What can electrostatic forces cause?
Attraction or repulsion.
36
New cards
What is nuclear energy?
Energy stored in the nucleus of atoms.
37
New cards
Which fuels use nuclear energy?
Uranium and plutonium.
38
New cards
What happens during nuclear fission?
Nuclear energy is released.
39
New cards
What happens during nuclear fusion?
Small nuclei combine and release energy.
40
New cards
Where does the Sun’s energy come from?
Nuclear fusion.
41
New cards
Which energy store is the largest in nuclear fuels?
Nuclear energy store.
42
New cards
What energy transfer happens in a torch?
Chemical to light and thermal.
43
New cards
What energy transfer happens in a toaster?
Electrical to thermal.
44
New cards
What energy transfer happens when an apple falls?
Gravitational to kinetic.
45
New cards
What energy transfer happens in a stretched catapult?
Elastic to kinetic.
46
New cards
What happens to energy when a ball is thrown upward?
Kinetic transfers to gravitational.
47
New cards
What happens at the highest point of a thrown ball?
Gravitational energy is maximum.
48
New cards
What happens to kinetic energy as speed increases?
It increases.
49
New cards
Which energy store increases when temperature rises?
Thermal energy store.
50
New cards
Which energy store is associated with movement?
Kinetic energy store.
51
New cards
Which energy store is associated with position above the ground?
Gravitational energy store.
52
New cards
Which energy store is associated with stretched objects?
Elastic energy store.
53
New cards
Which energy store is associated with fuels?
Chemical energy store.
54
New cards
Which energy store is associated with magnets?
Magnetic energy store.
55
New cards
Which energy store is associated with electric charges?
Electrostatic energy store.
56
New cards
Which energy store is associated with atomic nuclei?
Nuclear energy store.
57
New cards
Why does a hot drink cool down?
Thermal energy is transferred to the surroundings.
58
New cards
Why do brakes become hot?
Kinetic energy transfers to thermal energy.
59
New cards
What happens to energy during photosynthesis?
Light transfers to chemical energy.
60
New cards
What energy transfer happens in a loudspeaker?
Electrical to sound.
61
New cards
What energy transfer happens in a wind-up toy?
Elastic to kinetic.
62
New cards
What type of energy does a moving cyclist have?
Kinetic energy.
63
New cards
What type of energy does water behind a dam have?
Gravitational energy.
64
New cards
What type of energy does a stretched bow have?
Elastic energy.
65
New cards
What type of energy does coal contain?
Chemical energy.
66
New cards
What type of energy store is increased by friction?
Thermal energy store.
67
New cards
What happens to energy stores during any process?
Energy is transferred between stores.
68
New cards
Can energy transfers be 100% useful?
No, some energy is usually wasted.
69
New cards
What usually happens to wasted energy?
It spreads into the surroundings as thermal energy.
70
New cards
Why is thermal energy often considered wasted?
It becomes less useful once spread out.
71
New cards
Which energy store changes when a pendulum swings downward?
Gravitational to kinetic.
72
New cards
Which energy store changes when charging a battery?
Electrical to chemical.
73
New cards
Which energy store changes in a microwave oven?
Electrical to thermal.
74
New cards
Which energy store changes in a hydroelectric dam?
Gravitational to electrical.
75
New cards
Which energy store changes in a solar panel?
Light to electrical.
76
New cards
What happens to the kinetic energy of a moving object when it stops?
It transfers mainly to thermal energy.
77
New cards
Which energy store is linked to motion of particles?
Thermal energy store.
78
New cards
Which energy store can exist without movement?
Chemical energy store.
79
New cards
Which energy store is transferred in explosions?
Chemical energy store.
80
New cards
Why does a compressed spring have energy?
Work has been done on it.
81
New cards
What is a chemical energy store?
Energy stored in chemical substances such as fuels, food, and batteries.
82
New cards
Where is chemical energy stored?
In the bonds between atoms in substances.
83
New cards
Which everyday items contain chemical energy stores?
Food, batteries, petrol, coal.
84
New cards
How is chemical energy released?
By chemical reactions such as burning or respiration.
85
New cards
Which objects have kinetic energy stores?
Any moving object.
86
New cards
What affects the amount of kinetic energy an object has?
Its speed and mass.
87
New cards
Does a faster object have more or less kinetic energy?
More kinetic energy.
88
New cards
When does an object have gravitational energy?
When it is above the ground.
89
New cards
What affects the amount of gravitational energy?
Height and mass.
90
New cards
Does a higher object have more gravitational energy?
Yes.
91
New cards
Which objects can store elastic energy?
Springs, rubber bands, bows.
92
New cards
When is elastic energy stored?
When work is done stretching or compressing an object.
93
New cards
What happens to elastic energy when the object returns to shape?
It is transferred to other energy stores.
94
New cards
What is thermal energy stored due to?
The movement of particles in an object.
95
New cards
Which objects contain thermal energy stores?
All objects.
96
New cards
Why do hotter objects have more thermal energy?
Their particles move faster.
97
New cards
When can magnetic energy be stored?
When magnets attract or repel.
98
New cards
Which objects create magnetic energy stores?
Magnets and electromagnets.
99
New cards
What can magnetic energy cause objects to do?
Move toward or away from each other.
100
New cards
When does electrostatic energy occur?
When objects become electrically charged.