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Energy And Health Flashcards

(55 cards)

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1
Q

What is the unit of power

A

Watts or kilowatts

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2
Q

Whats the unit of energy

A

Joules or kilojoules

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3
Q

How do you calculate power

A

Energy(J) divided by time (s)

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4
Q

How do you calculate work

A

Force times by distance

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5
Q

What is the unit of work

A

Joules

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6
Q

What is the unit of force

A

Newtons

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7
Q

What is the unit of distance

A

Meters

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8
Q

Can you see infared

A

No, you can only feel it as heat

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9
Q

What objects emit infarred radiation

A

All objects emit infarred radiation

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10
Q

How does heat energy from the son travel to earth

A

Infrared radiation

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11
Q

What do light and infrared radiation have in common

A

They can be absorbed, emitted or reflected

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12
Q

What happens when the hotter an object is

A

The more infrared radiation it gives off

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13
Q

Is metal a good conductor

A

Yes it is very good

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14
Q

Are wood and other non metal materials good conductors

A

No they aren’t good conductors

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15
Q

What is the law of conservation

A

Total energy before transfer = total energy after transfer

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16
Q

Most kids hate learing GCSE energy names what energy does the m in most stand for

A

Magnetic energy

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17
Q

Most kids hate learing GCSE energy names what energy does the k in kids stand for

A

Kinetic

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18
Q

Most kids hate learing GCSE energy names what energy does the h in hate stand for

A

Heat/thermal

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19
Q

Most kids hate learing GCSE energy names what energy does the l in learning stand for

A

Light

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20
Q

Most kids hate learing GCSE energy names what energy does G in GCSE stand for

A

Gravitational potential

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21
Q

Most kids hate learing GCSE energy names what energy does the C in GCSE stand for

A

Chemical potential

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22
Q

Most kids hate learing GCSE energy names what energy does the S in GCSE stand for

A

Sound

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23
Q

Most kids hate learing GCSE energy names what energy does the E in GCSE stand for

Study These Flashcards
A

Elastic potential

24
Q

Most kids hate learing GCSE energy names what energy does the E stand for in energy

25
Most kids hate learing GCSE energy names what energy does the N in name stand for
Nuclear
26
What is kinetic
A moving object
27
What is chemical
A fuel or battery
28
What is gravitational
An object above the ground
29
What is elastic/strain
A streched or squashed object
30
What is thermal
A substance temperature
31
What is magnetic
2 seperate magnets
32
What is Nuclear
Radioactive decay
33
What is temperature
The Temperature of an object is to do with how hot or cold it is, measured using a thermometer. Note that the unit of temperature is written as °c
34
What is heat
The heat an object contains object contains is the amount of its thermal energy, measured in joulse or J
35
Whats happens when heat travels by conduction
the particles near the heat source start to vibrate These vibrations are then passed to the atom next to them, which in turn pass the vibration through the material
36
What is carbohydrates use in the body
Energy
37
What is protiens use in the body
Growth and repair
38
What is fats and oils use in the body
Store energy and instulation
39
What is minerals use in the body
To keep us healthy
40
What is vitamins use in the body
To keep us healthy
41
What is fibres use in the body
Keeps the digestive system healthy
42
What is waters use in the body
Keeps our cells healthy and hydrated
43
Where does energy come from
Your food
44
What ar ethe different parts of the digestive system
Mouth, liver, pancreas, rectum, oesophagus, stomach, small intestine, large intestine
45
Whar are drugs
Drugs are chemical substances that affect the way your body works
46
What can drugs do
They can affect your health or help your health they can be hepful or harmful
47
What is a medicinal drug
Medicinal drugs are used in medicine to benefit your health
48
What are recreational drugs
Drugs that are mostly illegal but some aren't
49
Why do people take recreational drugs
People take them for there own enjoyment
50
What drug is in alcohol
Ethanol
51
What happens with the drug once you consume it
The drug is absorbed into your blood stream and then goes into the blood stream it goes to the brain and the drug is broken down in the liver
52
What is ethanol
Ethanol is a depresent which slows the bodies reactions
53
How many units per day of alcohol should adults drink
2 units
54
How many units of alcohol should an adult drink
14 units
55
How does smoking and drinking during pregnancy
It increases the chance of miscarrige, stillbirth and can also damage the developing baby

Energy And Health (1 decks)

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