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Science: Chapter 2-8
How do cells obtain energy?
9
Science
6th Grade
07/08/2008

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Term

What term means

 the ability to do work or cause change?

Definition
energy
Term
What is the food-making process in plants?
Definition
photosynthesis
Term
Where does photosynthesis take place?
Definition
in the chloroplasts of plant cells
Term
What is needed for photosynthesis?
Definition
  1. sunlight
  2. carbon dioxide
  3. water
Term
What is the product and byproduct of photosynthesis?
Definition

product: sugar (glucose)

byproduct: oxygen

Term
What is the process by which a cell releases energy from food USING oxygen?
Definition
cellular respiration
Term
What happens in cellular respiration?
Definition
  1. glucose is broken down into hydrogen and carbon
  2. hydrogen and carbon combine with oxygen to form carbon dioxide and water
  3. energy is released
Term
What is the process by which a cell releases energy from food WITHOUT using oxygen?
Definition
fermentation
Term
What happens in fermentation?
Definition
  1. glucose is broken down
  2. carbon dioxide and alcohol is produced
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