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Energy And Health > Energy And Health > Flashcards

Energy And Health Flashcards

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

A

Elastic potential

24
Q

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

A

Electrical

25
Q

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

A

Nuclear

26
Q

What is kinetic

A

A moving object

27
Q

What is chemical

A

A fuel or battery

28
Q

What is gravitational

A

An object above the ground

29
Q

What is elastic/strain

A

A streched or squashed object

30
Q

What is thermal

A

A substance temperature

31
Q

What is magnetic

A

2 seperate magnets

32
Q

What is Nuclear

A

Radioactive decay

33
Q

What is temperature

A

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
Q

What is heat

A

The heat an object contains object contains is the amount of its thermal energy, measured in joulse or J

35
Q

Whats happens when heat travels by conduction

A

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
Q

What is carbohydrates use in the body

A

Energy

37
Q

What is protiens use in the body

A

Growth and repair

38
Q

What is fats and oils use in the body

A

Store energy and instulation

39
Q

What is minerals use in the body

A

To keep us healthy

40
Q

What is vitamins use in the body

A

To keep us healthy

41
Q

What is fibres use in the body

A

Keeps the digestive system healthy

42
Q

What is waters use in the body

A

Keeps our cells healthy and hydrated

43
Q

Where does energy come from

A

Your food

44
Q

What ar ethe different parts of the digestive system

A

Mouth, liver, pancreas, rectum, oesophagus, stomach, small intestine, large intestine

45
Q

Whar are drugs

A

Drugs are chemical substances that affect the way your body works

46
Q

What can drugs do

A

They can affect your health or help your health they can be hepful or harmful

47
Q

What is a medicinal drug

A

Medicinal drugs are used in medicine to benefit your health

48
Q

What are recreational drugs

A

Drugs that are mostly illegal but some aren’t

49
Q

Why do people take recreational drugs

A

People take them for there own enjoyment

50
Q

What drug is in alcohol

A

Ethanol

51
Q

What happens with the drug once you consume it

A

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
Q

What is ethanol

A

Ethanol is a depresent which slows the bodies reactions

53
Q

How many units per day of alcohol should adults drink

A

2 units

54
Q

How many units of alcohol should an adult drink

A

14 units

55
Q

How does smoking and drinking during pregnancy

A

It increases the chance of miscarrige, stillbirth and can also damage the developing baby

Energy And Health (1 decks)

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