Science

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Science
The function of Plants
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Importance of plants
Without plants life would not exist
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plants are...

• Primary source of food for animals and people
• Producers of oxygen
• Keeping us cool
• Renewing the air

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plants are...

• Slowing the wind speed
• Making the world beautiful
• Adding perfume to the air
• Furnishing building materials

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There are four main parts of a plant.
Can you guess what they are?
1. R
oots
2. S
tem
3. L
eaves
4. F
lower
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Look at this picture.
flower
leaves
stem
roots
Can you label the parts of the plant?
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What is the function of the root?

• anchor plant and hold upright
• absorb water and minerals form soil and bring to
  stem

root
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What is the function of the stem?

• movement of water and minerals from the roots
  upward and movement of food down
• support of leaves

stem
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What is the function of the flower?

• pollination- color of flower attracts insects to
  fertilize flower
• beginning of fruit and seed formation

flower
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What is the function of the leaf?

• the food factory of the plant
• produce the food used by the plant or stored for
  later use

leaf
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Chloroplasts
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Chloroplasts

• contain chlorophyll
• (make leaf green)
• located inside the food making cells of a leaf

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Photosynthesis
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Photosynthesis

• process by which Carbon Dioxide and Water (when
  there is light) is converted to sugar and oxygen

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What we have learned today

• Why are plants important
• What are the four major parts of a plant
• What is the name of an important cell in the leaf
  that helps make food
• What is the process that makes food and oxygen
  called

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Funtions of plants