grade_6_natural_science_t_20161009141308

Question 1

Can plants make their own food?

Answer 1

Yes

Question 2

Name the 4 elements that plants need to make their own food?

Answer 2

1. Carbon Dioxide2. Water3. Mineral Salts4. Energy

Question 3

Where do plants get Carbon Dioxide?

Answer 3

From the Air

Question 4

Where do plants get minerals from?

Answer 4

The Soil

Question 5

From where do plants get energy?

Answer 5

The Sun

Question 6

Which part of the plant is also known as the “Food Factory?

Answer 6

The leaves

Question 7

What do you call the substance in the leaves that is green?

Answer 7

Chlorophyll

Question 8

Close your eyes and spell Chlorophyll

Answer 8

C H L O R O P H Y L L

Question 9

What is the job of Chlorophyll?

Answer 9

It absorbs the suns energy

Question 10

Define Photosynthesis

Answer 10

The process whereby a plant absorbs the sun’s energy and creates food for the plant.

Question 11

What is the literal meaning of Photosynthesis?

Answer 11

“To put together with light”

Question 12

How does the chlorophyll make food for the plant?

Answer 12

Takes the energy from the sunUses it to convert the following into food:1. Water2. Mineral Salts3. Carbon Dioxide

Question 13

What is released into the air through the leaves?

Answer 13

Oxygen O2

Question 14

When a plant makes food, does it use all the food at once ?

Answer 14

No some of it is stored for later use.

Question 15

What are the five most important types of food for humans, that are stored in some kinds of plants?

Answer 15

1. Starch2. Vitamins3. Minerals4. Oil5. Protein

Question 16

Give 3 examples of a plant that gives us starch?

Answer 16

1. Potato2. Wheat3. Rice

Question 17

Give 3 examples of plants that gives us sugar?

Answer 17

1. Fruit2. Sugar cane3. Sugar beet

Question 18

Give 3 examples of plants that gives us oil

Answer 18

1. Sunflowers2. Olives3. Peanuts

Question 19

Give 3 examples of plants that gives us protein

Answer 19

1. Beans2. Soya3. Peas

Question 20

What is the name of the food that is inside the leaves of plants?

Answer 20

Glucose

Question 21

Besides the leaves, name 5 places in the plant where food is stored.

Answer 21

1. Stems2. Roots3. Seeds4. Fruit5. Flowers

Question 22

Why are green-leaf vegetables important for humans?

Answer 22

They contain the following:1. Vitamins2. Minerals3. Water

Question 23

Is the potato a root?

Answer 23

No

Question 24

If potato is not a root, then what is it?

Answer 24

A special kind of stem called a TUBER

Question 25

If the potato is underground, how can it make food?

Answer 25

In the beginning of it’s life cycle, the potato forms its food in the leaves above ground

Question 26

How does a new potato form?

Answer 26

From the tiny buds that start to shoot from the skin of the potato

Question 27

Which other plant stores its food in its stem?

Answer 27

Sugar Cane

Question 28

How do the farmers know it is time to harvest the potatoes?

Answer 28

The plant starts to whither

Question 29

Name three plants that store food in their flowers.

Answer 29

1. Cauliflower2. Artichoke3. Broccoli

Question 30

Name 6 plants that store their food in their roots.

Answer 30

1. Carrot2. Beetroot3. Sweet Potato4. Radish5. Turnip6. Parsnip

Question 31

Which food type are carrots rich in?

Answer 31

Sugar

Question 32

Why do carrots have tiny side root hairs?

Answer 32

They absorb water.

Question 33

Which food type do we get from seeds?

Answer 33

Starch

Question 34

What is a staple food?

Answer 34

A food that is most commonly eaten in a country.It is cheap and plentifulIt contains starch

Question 35

Give the staple food of the following countries:1. China / Japan2. USA3. Italy4. South Africa

Answer 35

1. Rice2. Maize & Wheat3. Wheat4. Maize

Question 36

In peas, where is the food stored?

Answer 36

In the seeds

Question 37

What interesting thing happens to peas?

Answer 37

When they are young, they are sweet because they have lots of sugar.When they get ripe, the sugar turns into starch and protein.

Question 38

Any part of the plant that contains seeds is called…..?

Answer 38

The fruit

Question 39

Why are pumpkins not very nourishing?

Answer 39

Because the contain some sugar and ALOT of water.