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Grade 6 natural science > Plants and food > Flashcards

Plants and food Flashcards

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1
Q

What is photosynthesis?

A

The process by which plants make their own food.

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2
Q

What is chlorophyll?

A

A substance that makes plants green.

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3
Q

What is carbon dioxide?

A

A gas that plants use (take in) during photosynthesis.

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4
Q

What is oxygen?

A

A gas that plants release during photosynthesis. All living things need this gas.

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5
Q

What is a Hypothesis?

A

A possible explanation for an observation that you test by further investigation.

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6
Q

What is glucose?

A

A sugar made by plants during photosynthesis.

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7
Q

What is Starch?

A

Stored energy in plants.

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8
Q

What is solubility?

A

Ability to dissolve.

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9
Q

What are nutrients?

A

Substances in food that are important for growth or good health.

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10
Q

What are three things plants need for photosynthesis?

A
  1. Sunlight
  2. water
  3. carbon dioxide
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11
Q

Which products are made/released during photosynthesis?

A
  1. Oxygen

2. Glucose

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12
Q

A plant makes food in it’s …………. by the process of …………..

A

A plant makes food in its leaves by the process of photosynthesis.

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13
Q

A plant uses the energy in …………………as well as …………… and …………..to make ………….. which can be changed into ………….. and stored.

A

A plant uses the energy in carbon dioxide as well as sunlight and water to make glucose sugar which can be changed into starch and stored.

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14
Q

The plant gives off ………….. into the air which is used by people and animals.

A

The plant gives off oxygen into the air which is used by people and animals.

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15
Q

………………. in the leaves absorbs the energy in sunlight.

A

Chlorophyll in the leaves absorbs the energy in sunlight.

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16
Q

The ……………. take in carbon dioxide.

A

The leaves take in carbon dioxide.

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17
Q

The roots absorb …………..

A

The roots absorb water.

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18
Q

What is protein?

A

A food type needed for growth and repair of the body.

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19
Q

What does fibre do?

A

Fibre helps push waste out of the digestive system.

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20
Q

What are fats and oils?

A

A food type that supplies a large amount of energy.

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21
Q

What is tooth decay?

A

Rotting teeth leading to holes in the teeth.

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22
Q

What is diabetes?

A

A disease which results from high levels of sugar in the blood.

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23
Q

What are vitamins and minerals?

A

Parts of food needed to keep the body working well.

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24
Q

What are Rickets?

A

A disease in children caused by lack of vitamin D.

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25
Q

What is constipation?

A

Difficulty in passing solid waste out of the body.

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26
Q

What is infection?

A

Germs entering your body and causing problems.

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27
Q

What are calories?

A

Calories tell you how much energy you get from one serving of food.

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28
Q

What are carbohydrates?

A

A food type that gives energy to living organisms.

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29
Q

What are nutrients?

A

The most important parts of food needed by the body for energy and good health.

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30
Q

What are Food groups?

A

The main types of food.

31
Q

What is the Immune system?

A

A system in the body that protects it from germs and diseases.

32
Q

What is sodium?

A

Salt.

33
Q

What is diet?

A

The different foods a person or animal eats every day.

34
Q

What is disease?

A

An illness that stops our bodies from working properly.

35
Q

What is processed food?

A

Food that is made and change from how it is found in nature.

36
Q

How do you test if a food item has starch in it?

A

Use a dropper to put a drop of iodine on the food. If the dropped iodine turns black the food has starch in it.

37
Q

Which of the following foods have starch in them – popcorn, cucumber, bread, cheese, broccoli, tomatoes, carrots, lemon?

A

Popcorn, bread, tomato.

38
Q

Living organisms need proteins to build and ……… their bodies and for growth.

A

Living organisms need proteins to build and repair their bodies and for growth.

39
Q

Proteins help the ……………………..fight off infections.

A

Proteins help the immune system fight off infections.

40
Q

Proteins make up part of the red blood cells which carry …………… from the lungs to the rest of the body.

A

Proteins make up part of the red blood cells which carry oxygen from the lungs to the rest of the body.

41
Q

Muscles and organs are mostly made up of………….

A

Muscles and organs are mostly made up of proteins.

42
Q

………….. are part of everything in the human body such as bones hair skin and nails.

A

Proteins are part of everything in the human body such as bones hair skin and nails.

43
Q

What does one need to eat to get proteins?

A 
Meat 
fish 
eggs 
nuts 
beans
44
Q

………….. help repair any tissues that are damaged.

A

Proteins help repair any tissues that are damaged.

45
Q

Proteins give the body strength and are very important for muscle ……….

A

Proteins give the body strength and a very important for muscle growth.

46
Q

Oils and fats give ……… energy than any other food type.

A

Oils and fats give more energy than any other food type.

47
Q

How is energy stored in the body?

A

In the form of body fat.

48
Q

What protects the organs and provides warmth/keeps the heat in?

A

Body fats

49
Q

What foods contain healthy oils and fats?

A

Nuts
avocado pears
Sardines

50
Q

……… are liquid fats made from plants and fish which provide important nutrients.

A

Oils are liquid fats made from plants and fish which provide important nutrients.

51
Q

What types of fat do red meat, chocolate, cakes and cooking fats contain?

A

Saturated fat.

52
Q

Are saturated fats healthy?

A

No

53
Q

What are the seven life processes that every living thing needs energy for?

A
  1. feed
  2. breathe
  3. move
  4. grow
  5. excrete
  6. sense things
  7. reproduce
54
Q

Where do you people and animals get their energy from?

A

Food they eat

55
Q

Everything you eat contains nutrients. What are nutrients?

A

Substances in food that keep your body healthy.

56
Q

Most natural foods contain a mixture of more than one ……….. group.

A

Most natural foods contain a mixture of more than one nutrient group.

57
Q

What are the four main food groups?

A
  1. Carbohydrates – for energy.
  2. Proteins – for growth and repair.
  3. Fats and oils – for storing energy and insulation.
  4. Vitamins and minerals – for building bones and teeth and maintaining a healthy immune system.
58
Q

Carbohydrates give living organisms …………
Carbohydrates are used by the body to keep it ………… and to provide all the energy it needs for growth and ………….

A

Carbohydrates give living organisms energy. Carbohydrates are used by the body to keep it warm and to provide all the energy it needs for growth and movement.

59
Q

What do carbohydrate foods contain?

A

Sugars and starch

60
Q

What are examples of food that contain sugary carbohydrates?

A

Fruits, honey, dried fruits, cold drinks etc.

61
Q

What type of energy does sugar give our body?

A

Quick energy.

62
Q

What are examples of foods which contain starch?

A

Maize meal, potatoes, rice, bread, pasta and some fruits.

63
Q

Starch releases energy ………. into our bodies so the energy lasts ………….

A

Starch releases energy slowly into our bodies so the energy lasts longer.

64
Q

What is the most common form of carbohydrate in our diet.

A

Starch

65
Q

………….. and ………… work together with carbohydrates, proteins and fats to help our bodies grow and develop normally.

A

Vitamins and minerals work together with carbohydrates, proteins and fats to help our bodies grow and develop normally.

66
Q

Our bodies need ……….. and ………… to help us build strong teeth and bones, have good eyesight and a healthy immune system.

A

Our bodies need vitamins and minerals to help us build strong teeth and bones, have good eyesight and a healthy immune system.

67
Q

What does the immune system do?

A

Fights germs and stops us from getting sick.

68
Q

What are the five food groups?

A
  1. Vegetables and fruit.
  2. Grain group.
  3. Dairy group.
  4. Fats and oils.
  5. Meat fish and beans.
69
Q

What does the grain food group provide?

A

Carbohydrates which give our body energy.

70
Q

What does the dairy food group provide?

A

Mineral calcium which keeps bones and teeth strong.

71
Q

What does the fats and oils food group provide?

A

Warmth and energy.

72
Q

What does the meat, fish and beans food group provide?

A

Proteins that build and repair the body.

73
Q

What does the vegetable and fruit food group provide?

A

Important vitamins that help fight infections and heal our bodies. They also contain fibre.

74
Q

What is stamata?

A

•Stomata is the cells that plants can breath through

Grade 6 natural science (1 decks)

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