grade_6_natural_science_t_20161009141308 Flashcards
Can plants make their own food?
Yes
Name the 4 elements that plants need to make their own food?
- Carbon Dioxide2. Water3. Mineral Salts4. Energy
Where do plants get Carbon Dioxide?
From the Air
Where do plants get minerals from?
The Soil
From where do plants get energy?
The Sun
Which part of the plant is also known as the “Food Factory?
The leaves
What do you call the substance in the leaves that is green?
Chlorophyll
Close your eyes and spell Chlorophyll
C H L O R O P H Y L L
What is the job of Chlorophyll?
It absorbs the suns energy
Define Photosynthesis
The process whereby a plant absorbs the sun’s energy and creates food for the plant.
What is the literal meaning of Photosynthesis?
“To put together with light”
How does the chlorophyll make food for the plant?
Takes the energy from the sunUses it to convert the following into food:1. Water2. Mineral Salts3. Carbon Dioxide
What is released into the air through the leaves?
Oxygen O2
When a plant makes food, does it use all the food at once ?
No some of it is stored for later use.
What are the five most important types of food for humans, that are stored in some kinds of plants?
- Starch2. Vitamins3. Minerals4. Oil5. Protein
Give 3 examples of a plant that gives us starch?
- Potato2. Wheat3. Rice
Give 3 examples of plants that gives us sugar?
- Fruit2. Sugar cane3. Sugar beet
Give 3 examples of plants that gives us oil
- Sunflowers2. Olives3. Peanuts
Give 3 examples of plants that gives us protein
- Beans2. Soya3. Peas
What is the name of the food that is inside the leaves of plants?
Glucose
Besides the leaves, name 5 places in the plant where food is stored.
- Stems2. Roots3. Seeds4. Fruit5. Flowers
Why are green-leaf vegetables important for humans?
They contain the following:1. Vitamins2. Minerals3. Water
Is the potato a root?
No
If potato is not a root, then what is it?
A special kind of stem called a TUBER
If the potato is underground, how can it make food?
In the beginning of it’s life cycle, the potato forms its food in the leaves above ground
How does a new potato form?
From the tiny buds that start to shoot from the skin of the potato
Which other plant stores its food in its stem?
Sugar Cane
How do the farmers know it is time to harvest the potatoes?
The plant starts to whither
Name three plants that store food in their flowers.
- Cauliflower2. Artichoke3. Broccoli
Name 6 plants that store their food in their roots.
- Carrot2. Beetroot3. Sweet Potato4. Radish5. Turnip6. Parsnip
Which food type are carrots rich in?
Sugar
Why do carrots have tiny side root hairs?
They absorb water.
Which food type do we get from seeds?
Starch
What is a staple food?
A food that is most commonly eaten in a country.It is cheap and plentifulIt contains starch
Give the staple food of the following countries:1. China / Japan2. USA3. Italy4. South Africa
- Rice2. Maize & Wheat3. Wheat4. Maize
In peas, where is the food stored?
In the seeds
What interesting thing happens to peas?
When they are young, they are sweet because they have lots of sugar.When they get ripe, the sugar turns into starch and protein.
Any part of the plant that contains seeds is called…..?
The fruit
Why are pumpkins not very nourishing?
Because the contain some sugar and ALOT of water.
