5th grade ch. 4 lesson 1 how do leaves help a plant
TRANSCRIPT
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Ch. 4 Lesson 1How do Leaves Help a Plant?
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Does the direction seeds are planted affect the direction the roots grow?
• Collect information- seeds need water, roots need nutrients, roots act like straws sucking up water, roots anchor a plant
• Hypothesis- I think that ____________• Procedure- See pgs. 114-115• Observations-
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leaves• make most of plant’s food
• are organs - made of cells & tissues
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vessel tissue
• type of tissue that carries food & water to the plant
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epidermis
outer layer
vessel tissue
stoma
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photosynthesis• process plants use to make sugar (food)
• carbon dioxide + water + sunlight energy oxygen + sugar
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Sugar
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cellular respiration•use oxygen with food to get energy for growth, repairs & reproduction
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YouTube video-Chloroplasts
chloroplasts - give plants their green color
- where photosynthesis happens
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starch• plants join
many sugars
• for long term storage of food
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cellulose
• formed when 1,000’s of sugars combine
• makes plants cell walls
Scanning electron micrograph of wood cellulose
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Photosynthesis song