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Year 8 (Flashcards For The Cool Kids) > Science > Flashcards

Science Flashcards

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1
Q

Name all 5 food groups

A

Carbs ; Fruit and Veg ; Protien ; Fats ; Dairy

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2
Q

List 5 foods that are Carbohydrates.

A

Bread, Rice, Potatos, Wheat and Pasta (Filippo Pasta)

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3
Q

Name 3 consequences of an unhealthy diet.

A

Type 2 Diabetes ; Obesity ; Anorexia ; Heart Disease ; Hyper Tension

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4
Q

What is Type 2 diabetes?

A

Type 2 diabetes is where the pancreas makes less insulin than used to so the body becomes resistant to insulin.

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5
Q

What are the symptons of Type 2 Diabetes

A

The symptoms are thirst, passing urine often,
tiredness, weight loss and blurred vision

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6
Q

What are the treatments for Type 2 Diabetes

A

There are no treatments.

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7
Q

What is heart disease?

A

Heart disease is a range of disease that occur in the circulatory system. The causes are high blood pressure, smoking, an unhealthy diet, and physical inactivity.

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8
Q

What are the syptoms of heart disease?

A

The symptoms are chest pain, short breath, neck pain and numbness or coldness in limbs.

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9
Q

What is the treatments for heart disease?

A

The treatment is changing lifestyle habits like cutting fats, stopping smoking or starting a
walking program (couch to 5k).

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10
Q

How do you prepare food for the Starch, Lipids, Sugar and Protien tests?

A
  1. Crush the food using a pestle and mortar
  2. Add a few drops of DISTILLED water
  3. Filter the contents of the mortar through the
    funnel and filter paper into a boiling tube
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11
Q

How do you do the Starch Test with Iodine?

A
  1. Add a few drops of iodine solution (orange liquid) to the
    food solution
  2. If the solution turns blue-black, starch is present
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12
Q

What do you do for the Lipid Test with Ethanol?

A
  1. Add a few drops of ethanol to the food solution.
  2. Shake the boiling tube gently and leave for one minute.
  3. Pour the ethanol solution into another boiling tube containing water.
  4. If the solution turns cloudy, the food contains
    lipids.
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13
Q

How do you do the Sugar Test with Benedict’s Solution?

A
  1. Add a few drops of Benedict’s solution to the food solution.
  2. Heat in a water bath.
  3. If the solution turns green the food contains some sugar. If it turns orange-red, the food contains lots of sugar.
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14
Q

How do you do the Protien Test with Buiret Solution

A
  1. Add a few drops of Biuret solution to your food solution.
  2. If the solution turns purple, protein is present.
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15
Q

Name the chemical used in the Starch Test!

A

Iodine

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16
Q

Name the chemical used in the Lipids Test?

A

Ethanol

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17
Q

Name the chemical used in the Sugar Test!

A

Benidict’s solution

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18
Q

Name the chemical used in the protien test?

A

Biuret Solution

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19
Q

How do you test food for energy?

A

You have to set the food alight and use it to heat up water. The more it heats up the water, the more energy contained.

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20
Q

What are drugs?

A

A drug is any chemical substance that when consumed causes a change in an organism’s physiology, including its psychology.

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21
Q

What are the immediate effects of alchohol?

A

Slurred speech, blurred vision and loss of balance

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22
Q

What are the long term effects of alcohol?

A

Liver infections, blood disease and digestive problems

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23
Q

What are the social effects of alcohol?

A

Aggression, sexual urges and self-disclosure.

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24
Q

Q4: What are the treatments for alcohol?

A

Liver transplant and just not drinking alcohol

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25
Q

What are the immediate effects of Tobacco?

A

Dizziness, bad breath, coughing, stained teeth and reduced oxygen

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26
Q

Q10: What are the long-term effects of Tobacco?

A

Loss of voice, loss child in pregnancy or life and potential development of cancer

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27
Q

What are the social effects of Tobacco?

A

People will think about you differently

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28
Q

What are the treatments for Tobacco?

A

Lung transplant or stopping smoking, nicotine pads and therapy

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29
Q

Name 5 of the 7 energy sources

A

Biofuels, Nuclear, Fossil Fuels, Geothermal, Solar Tidal and Wind

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30
Q

Name 2 non-renewable energy sources.

A

Nuclear and Fossil Fuels

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31
Q

Name 5 renewable energy sources

A

Biofuels, Geotheramal, Solar, Tidal and Wind

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32
Q

Name 1 super energy sauce.

A

Ketchup 🍅🍅🍅

33
Q

How does a power plant work?

A

1) Water is heated
2) Steam pushes turbines
3) Turbines spin a generator

34
Q

How do biofuels create the heat to make energy?

A

They get burned

35
Q

How does Nuclear Power create heat to create electricity?

A

Through a chain reaction where electrons split of uranuim atoms into other uranuim atoms splitting more electrons. This is called Fission.

36
Q

How do Fossil Fuels create heat to create electricity?

A

They are burned.

37
Q

How does Geothermal Power create electricity?

A

By drawing steam out of reservoirs, that flows through turbines, spinning a generator.

38
Q

How does Solar Power create electricity?

A

When the silicon meets with photons of sunlight, it releases electrons, creating a electric charge.

39
Q

How does Tidal Power create electricity?

A

Water current flows through turbines, spinning a generator.

40
Q

How does wind power create electricity?

A

Wind pushes through turbines, spinning a generator.

41
Q

Are biofuels renewable?

A

Yes

42
Q

Is nuclear power renewable?

A

No

43
Q

Are fossil fuels renewable?

A

No

44
Q

Is geothermal power renewable?

A

Yes

45
Q

Is solar power renewable?

A

Yes

46
Q

Is tidal power renewable?

A

Yes

47
Q

Is wind power renewable?

A

Yes

48
Q

What does KE stand for?

A

Kinetic Energy

49
Q

What does GPE stand for?

A

Gravitational Potential Energy

50
Q

What does EPE stand for?

A

Elastic Potential Energy

51
Q

What energy is stored in a battery?

A

Chemical

52
Q

Name the 7 Stores of Energy now!

A

Kinetic, Chemical, Gravitational, Elastic, Thermal, Nuclear, Magnetic

53
Q

Kinetic Energy

A

In a moving object

54
Q

Chemical energy

A

A fuel or battery

55
Q

Gravitation Potential

A

Energy in an object above the ground

56
Q

Elastic Potential Energy

A

Energy in a stretched or squashed object

57
Q

Thermal energy

A

Energy due to a substances temperature

58
Q

Nuclear energy

A

Energy stored in radioactive decay

59
Q

Magnetic energy

A

Energy from two separated magnets (attract and repel)

60
Q

Mechanical pathway

A

When a force acts and something moves

61
Q

Electrical pathway

A

When are current flows?

62
Q

Heating pathway

A

Because of a temperature difference

63
Q

Radiation pathway (wave)

A

A wave such as light, microwaves, or sound

64
Q

What energy is stored in a moving car?

A

Kinetic energy

65
Q

What energy is stored in an elastic band?

A

Elastic potential energy

66
Q

What energy is stored in hot food?

A

Thermal energy

67
Q

What energy is stored in a thrown ball?

A

Kinetic energy

68
Q

Formula for Power (Watts)

A

Power = energy / time (Watts = Joules / Time)

69
Q

Watts tell you …

A

… energy transferred per second.

70
Q

What are food chains?

A

A food chain shows the transfer of energy between organisms. The arrows in a food chain show the flow of energy.

71
Q

Define producer

A

The green plan that makes its own food during photosynthesis,using light energy from the sun

72
Q

Define First stage consumer

A

an animal that eats the producer. This is a herbivore.

73
Q

Define second stage consumer

A

: an animal that eats the first-stage consumer. This is a predator

74
Q

Define 3rd stage consumer

A

an animal that eats the second-stage consumer.

75
Q

What os a herbivore

A

an animal that eats only plants

76
Q

Define Carnivore

A

: an animal that eats only meat/animals.

77
Q

Define Decomposer

A

An organism that breaks down dead or waste materials and release nutrients

78
Q

bomba

A

Hamas

Year 8 (Flashcards For The Cool Kids) (11 decks)

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