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Alhussan Physics — Stage 7
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Alhussan Physics — Stage 7
Chapter 1: Energy
0/19
1.1 What is energy?
Text lesson
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Physics 1.1 What is energy? — Quiz
175 questions
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1.2 Asking questions about energy
Text lesson
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Physics 1.2 Asking questions about energy — Quiz
152 questions
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1.3 Energy types
Text lesson
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Physics 1.3 Energy types — Quiz
152 questions
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1.4 Energy transfer and dissipation
Text lesson
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Physics 1.4 Energy transfer and dissipation — Quiz
161 questions
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Checkpoint Quiz — Physics 1.4 Energy transfer and dissipation
5 questions
Preview
1.5 Gravitational potential energy and kinetic energy
Text lesson
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Physics 1.5 Gravitational potential energy and kinetic energy — Quiz
165 questions
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Checkpoint Quiz — Physics 1.5 Gravitational potential energy and kinetic energy
3 questions
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1.6 Planning: pendulum motion
Text lesson
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Physics 1.6 Planning: pendulum motion — Quiz
160 questions
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1.7 Elastic potential energy
Text lesson
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Physics 1.7 Elastic potential energy — Quiz
178 questions
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Checkpoint Quiz — Physics 1.7 Elastic potential energy
1 questions
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1.8 Chapter 1 Review: Energy
Text lesson
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Physics 1.8 Chapter 1 Review: Energy — Quiz
155 questions
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Chapter 2: Forces
0/16
2.1 Introduction to forces
Text lesson
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Physics 2.1 Introduction to forces — Contact and Non — Quiz
172 questions
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Checkpoint Quiz — Physics 2.1 Introduction to forces
5 questions
Preview
2.2 Gravity
Text lesson
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Physics 2.2 Gravity — Quiz
169 questions
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Checkpoint Quiz — Physics 2.2 Gravity
5 questions
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2.3 How 'old' is gravity?
Text lesson
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Physics 2.3 How 'old' is gravity? — Quiz
162 questions
Preview
2.4 Air resistance
Text lesson
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Physics 2.4 Air resistance — Quiz
169 questions
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2.5 Planning fair tests: streamlining
Text lesson
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Physics 2.5 Planning fair tests: streamlining — Quiz
164 questions
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2.6 Round in circles
Text lesson
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Physics 2.6 Round in circles — Quiz
165 questions
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2.7 Chapter 2 Review: Forces
Text lesson
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Physics 2.7 Chapter 2 Review: Forces — Quiz
170 questions
Preview
Chapter 3: Sound
0/10
3.1 Sound waves and how they travel
Text lesson
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Physics 3.1 Sound waves and how they travel — Quiz
166 questions
Preview
Checkpoint Quiz — Physics 3.1 Sound waves and how they travel
5 questions
Preview
3.2 Detecting sounds
Text lesson
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Physics 3.2 Detecting sounds — Quiz
163 questions
Preview
3.3 Echoes
Text lesson
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Physics 3.3 Echoes — Quiz
169 questions
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Checkpoint Quiz — Physics 3.3 Echoes
1 questions
Preview
3.4 Chapter 3 Review: Sound
Text lesson
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Physics 3.4 Chapter 3 Review: Sound — Quiz
166 questions
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Chapter 4: Electricity
0/15
4.1 Charging up
Text lesson
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Physics 4.1 Charging up — Quiz
166 questions
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4.2 Electric circuits
Text lesson
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Physics 4.2 Electric circuits — Quiz
161 questions
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Checkpoint Quiz — Physics 4.2 Electric circuits
3 questions
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4.3 Electric current
Text lesson
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Physics 4.3 Electric current — Quiz
177 questions
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Checkpoint Quiz — Physics 4.3 Electric current
7 questions
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4.4 Modelling electric circuits
Text lesson
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Physics 4.4 Modelling electric circuits — Quiz
160 questions
Preview
4.5 Dangers of electricity
Text lesson
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Physics 4.5 Dangers of electricity — Quiz
159 questions
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Checkpoint Quiz — Physics 4.5 Dangers of electricity
5 questions
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4.6 Chapter 4 Review: Electricity
Text lesson
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Physics 4.6 Chapter 4 Review: Electricity — Quiz
159 questions
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Chapter 5: The Earth in Space
0/22
5.1 Our planet: day and night
Text lesson
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Physics 5.1 Our planet: day and night — Quiz
161 questions
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5.2 Our planet: seasons
Text lesson
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Physics 5.2 Our planet: seasons — Quiz
167 questions
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5.3 The night sky
Text lesson
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Physics 5.3 The night sky — Quiz
157 questions
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5.4 Our Solar System
Text lesson
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Physics 5.4 Our Solar System — Quiz
126 questions
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5.5 The Moon
Text lesson
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Physics 5.5 The Moon — Quiz
146 questions
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5.6 Changing ideas 1: ancient astronomy
Text lesson
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Physics 5.6 Changing ideas 1: ancient astronomy — Quiz
149 questions
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5.7 Changing ideas 2: geocentric model
Text lesson
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Physics 5.7 Changing ideas 2: geocentric model — Quiz
146 questions
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5.8 Changing ideas 3: modern astronomy
Text lesson
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Physics 5.8 Changing ideas 3: modern astronomy — Quiz
153 questions
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5.9 Using planetary data
Text lesson
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Physics 5.9 Using planetary data — Quiz
160 questions
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5.10 Chapter 5 Review: The Earth in Space
Text lesson
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Physics 5.10 Chapter 5 Review: The Earth in Space — Quiz
167 questions
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Physics Stage 7 Comprehensive Review
Text lesson
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Physics Stage 7 Comprehensive Review — Quiz
158 questions
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Quiz
Physics 1.3 Energy types — Quiz
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Questions count:
50
Passing grade:
B+
Start Quiz
1.
Energy transfer pathways used at home (%). Which has the greatest value?
Electrical
Waves
Mechanical
Heating
2.
Energy stored in different objects (J). Which graph shows these results correctly?
A
B
C
D
3.
Light and sound are ____.
forces
pathways
stores
fuels
4.
Which term matches this definition? “Energy between magnets.”
Magnetic store
Electrical pathway
Period
KE equation
5.
Energy stored in different objects (J). What is the value for Wound toy?
2463
6
25
12,888
6.
Energy can be stored or ____.
destroyed
transferred
seen
created
7.
A ball has 80 J total; 30 J is kinetic. How much GPE?
110 J
30 J
50 J
80 J
8.
Which term matches this definition? “Transfer by an electric current.”
Dependent variable
Energy
Electrical pathway
Elastic
9.
A wound-up toy stores ____ energy.
chemical
nuclear
thermal
elastic potential
10.
Main energy store of objects (count). Which has the greatest value?
Kinetic
Elastic
GPE
Chemical
11.
Energy stores in a falling ball (J). Which statement best describes the pattern?
"GPE (J)" increases as "Height (m)" increases
"GPE (J)" rises to a peak at 10, then falls
"GPE (J)" stays the same
"GPE (J)" decreases as "Height (m)" increases
12.
Which statement is NOT correct?
A kettle transfers energy by heating.
Energy does not exist in different forms like "light energy".
A falling ball gains chemical energy.
Energy can be stored or transferred.
13.
True or false? Food is a kinetic store.
True
False
14.
Main energy store of objects (count). About how many times bigger is Chemical than GPE?
3.0
2.0
1.0
4.0
15.
Energy stored in different objects (J). About how many times bigger is Battery than Wound toy?
2148.0
4296.0
3222.0
1074.0
16.
Which statement is correct?
Energy is measured in watts.
Energy can be seen directly.
Light and sound are pathways.
A falling ball gains chemical energy.
17.
Two magnets held apart have a ____ store.
thermal
magnetic
kinetic
chemical
18.
True or false? A wound-up toy stores elastic potential energy.
True
False
19.
Which is the correct definition of “Energy store”?
Useful output ÷ total input × 100%.
Practical work to answer a question.
A question that can be answered by collecting evidence.
Where energy is held, e.g. chemical or kinetic.
20.
A ball has 50 J of GPE at the top. KE just before landing (no losses)?
25 J
500 J
50 J
100 J
21.
True or false? Energy can be stored or transferred.
True
False
22.
A raised object has energy in a ____ store.
gravitational potential
thermal
chemical
kinetic
23.
Energy stores in a falling ball (J). Which graph shows these results correctly?
A
B
C
D
24.
Which statement is NOT correct?
Sound is a store.
Energy is measured in joules.
Energy is a quantity we calculate.
The Sun's energy comes from its nuclear store.
25.
Main energy store of objects (count). Which graph shows these results correctly?
A
B
C
D
26.
Energy stores in a falling ball (J). Between which two values of "Height (m)" did "GPE (J)" change the most?
6 and 4
2 and 0
8 and 6
10 and 8
27.
Energy transfer pathways used at home (%). Which graph shows these results correctly?
A
B
C
D
28.
True or false? A hot object has more energy in its thermal store than a cold object.
True
False
29.
Which term matches this definition? “Energy stored in fuels, food and batteries.”
Chemical energy
Useful energy
GPE equation
Conservation of energy
30.
A ball has 80 J total; 20 J is kinetic. How much GPE?
100 J
80 J
60 J
20 J
31.
Which is the correct definition of “Electrical pathway”?
Force that dissipates energy in falling objects.
Energy a person uses per day.
Transfer by an electric current.
Amount of matter, in kg.
32.
True or false? A falling ball gains chemical energy.
True
False
33.
Energy stores in a falling ball (J). What is the value of "GPE (J)" when "Height (m)" is 6?
30
50
10
20
34.
True or false? Energy can be seen directly.
True
False
35.
Which statement is correct?
A falling ball gains chemical energy.
The Sun uses chemical energy.
A kettle transfers energy elastically.
A falling ball transfers GPE to kinetic energy.
36.
Which is the correct definition of “Magnetic store”?
What you measure, e.g. period.
Energy between magnets.
Finding information from books or the internet.
What you change, e.g. string length.
37.
A ball has 100 J total; 40 J is kinetic. How much GPE?
100 J
60 J
40 J
140 J
38.
True or false? "Light energy" is a store.
True
False
39.
Food and fuels store energy ____.
elastically
kinetically
chemically
magnetically
40.
A ball has 80 J total; 40 J is kinetic. How much GPE?
40 J
80 J
120 J
400 J
41.
Which is the correct definition of “Kinetic energy”?
Returns to original shape.
Energy stored in fuels, food and batteries.
Energy stored in a moving object.
The mass at the end of a pendulum.
42.
Energy transfer pathways used at home (%). What is the total of all the values?
75
84
66
40
43.
A battery stores 5 kJ. Energy in J?
5 J
50,000 J
500 J
5000 J
44.
Which term matches this definition? “Energy in the nuclei of atoms.”
Opinion
Nuclear store
Kilojoule
Lubrication
45.
True or false? The Sun uses chemical energy.
True
False
46.
Lifting a baby transfers energy into which store?
Thermal store
Kinetic store
Chemical store
Gravitational potential store
47.
Which statement is correct?
Hot objects have energy in a thermal store.
The Sun uses chemical energy.
Energy can be seen directly.
A falling ball gains chemical energy.
48.
A battery stores 40 kJ. Energy in J?
40,000 J
4000 J
400,000 J
40 J
49.
Energy transfer pathways used at home (%). Which graph shows these results correctly?
A
B
C
D
50.
Which term matches this definition? “Where energy is held, e.g. chemical or kinetic.”
Variable
Energy store
Nuclear store
Spring constant
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Questions count:
50
Passing grade:
B+
Start Quiz
1.
Energy transfer pathways used at home (%). Which has the greatest value?
Electrical
Waves
Mechanical
Heating
2.
Energy stored in different objects (J). Which graph shows these results correctly?
A
B
C
D
3.
Light and sound are ____.
forces
pathways
stores
fuels
4.
Which term matches this definition? “Energy between magnets.”
Magnetic store
Electrical pathway
Period
KE equation
5.
Energy stored in different objects (J). What is the value for Wound toy?
2463
6
25
12,888
6.
Energy can be stored or ____.
destroyed
transferred
seen
created
7.
A ball has 80 J total; 30 J is kinetic. How much GPE?
110 J
30 J
50 J
80 J
8.
Which term matches this definition? “Transfer by an electric current.”
Dependent variable
Energy
Electrical pathway
Elastic
9.
A wound-up toy stores ____ energy.
chemical
nuclear
thermal
elastic potential
10.
Main energy store of objects (count). Which has the greatest value?
Kinetic
Elastic
GPE
Chemical
11.
Energy stores in a falling ball (J). Which statement best describes the pattern?
"GPE (J)" increases as "Height (m)" increases
"GPE (J)" rises to a peak at 10, then falls
"GPE (J)" stays the same
"GPE (J)" decreases as "Height (m)" increases
12.
Which statement is NOT correct?
A kettle transfers energy by heating.
Energy does not exist in different forms like "light energy".
A falling ball gains chemical energy.
Energy can be stored or transferred.
13.
True or false? Food is a kinetic store.
True
False
14.
Main energy store of objects (count). About how many times bigger is Chemical than GPE?
3.0
2.0
1.0
4.0
15.
Energy stored in different objects (J). About how many times bigger is Battery than Wound toy?
2148.0
4296.0
3222.0
1074.0
16.
Which statement is correct?
Energy is measured in watts.
Energy can be seen directly.
Light and sound are pathways.
A falling ball gains chemical energy.
17.
Two magnets held apart have a ____ store.
thermal
magnetic
kinetic
chemical
18.
True or false? A wound-up toy stores elastic potential energy.
True
False
19.
Which is the correct definition of “Energy store”?
Useful output ÷ total input × 100%.
Practical work to answer a question.
A question that can be answered by collecting evidence.
Where energy is held, e.g. chemical or kinetic.
20.
A ball has 50 J of GPE at the top. KE just before landing (no losses)?
25 J
500 J
50 J
100 J
21.
True or false? Energy can be stored or transferred.
True
False
22.
A raised object has energy in a ____ store.
gravitational potential
thermal
chemical
kinetic
23.
Energy stores in a falling ball (J). Which graph shows these results correctly?
A
B
C
D
24.
Which statement is NOT correct?
Sound is a store.
Energy is measured in joules.
Energy is a quantity we calculate.
The Sun's energy comes from its nuclear store.
25.
Main energy store of objects (count). Which graph shows these results correctly?
A
B
C
D
26.
Energy stores in a falling ball (J). Between which two values of "Height (m)" did "GPE (J)" change the most?
6 and 4
2 and 0
8 and 6
10 and 8
27.
Energy transfer pathways used at home (%). Which graph shows these results correctly?
A
B
C
D
28.
True or false? A hot object has more energy in its thermal store than a cold object.
True
False
29.
Which term matches this definition? “Energy stored in fuels, food and batteries.”
Chemical energy
Useful energy
GPE equation
Conservation of energy
30.
A ball has 80 J total; 20 J is kinetic. How much GPE?
100 J
80 J
60 J
20 J
31.
Which is the correct definition of “Electrical pathway”?
Force that dissipates energy in falling objects.
Energy a person uses per day.
Transfer by an electric current.
Amount of matter, in kg.
32.
True or false? A falling ball gains chemical energy.
True
False
33.
Energy stores in a falling ball (J). What is the value of "GPE (J)" when "Height (m)" is 6?
30
50
10
20
34.
True or false? Energy can be seen directly.
True
False
35.
Which statement is correct?
A falling ball gains chemical energy.
The Sun uses chemical energy.
A kettle transfers energy elastically.
A falling ball transfers GPE to kinetic energy.
36.
Which is the correct definition of “Magnetic store”?
What you measure, e.g. period.
Energy between magnets.
Finding information from books or the internet.
What you change, e.g. string length.
37.
A ball has 100 J total; 40 J is kinetic. How much GPE?
100 J
60 J
40 J
140 J
38.
True or false? "Light energy" is a store.
True
False
39.
Food and fuels store energy ____.
elastically
kinetically
chemically
magnetically
40.
A ball has 80 J total; 40 J is kinetic. How much GPE?
40 J
80 J
120 J
400 J
41.
Which is the correct definition of “Kinetic energy”?
Returns to original shape.
Energy stored in fuels, food and batteries.
Energy stored in a moving object.
The mass at the end of a pendulum.
42.
Energy transfer pathways used at home (%). What is the total of all the values?
75
84
66
40
43.
A battery stores 5 kJ. Energy in J?
5 J
50,000 J
500 J
5000 J
44.
Which term matches this definition? “Energy in the nuclei of atoms.”
Opinion
Nuclear store
Kilojoule
Lubrication
45.
True or false? The Sun uses chemical energy.
True
False
46.
Lifting a baby transfers energy into which store?
Thermal store
Kinetic store
Chemical store
Gravitational potential store
47.
Which statement is correct?
Hot objects have energy in a thermal store.
The Sun uses chemical energy.
Energy can be seen directly.
A falling ball gains chemical energy.
48.
A battery stores 40 kJ. Energy in J?
40,000 J
4000 J
400,000 J
40 J
49.
Energy transfer pathways used at home (%). Which graph shows these results correctly?
A
B
C
D
50.
Which term matches this definition? “Where energy is held, e.g. chemical or kinetic.”
Variable
Energy store
Nuclear store
Spring constant
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Part of
Chapter 1: Energy
— see every lesson and quiz in this unit.
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