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Intro to Energy.

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Presentation on theme: "Intro to Energy."— Presentation transcript:

1 Intro to Energy

2

3 1st Law of Thermodynamics

4 Gasoline

5 Converting

6 From this

7 To

8 This

9

10 2nd Law of Thermodynamics
Energy can’t be converted without the loss of some usable energy

11 2nd Law of Thermodynamics

12 Loss of energy in the food chain

13 Much of our energy goes to…
Converting energy results in heat being given off… That heat is not harvestable by other organisms

14 Metabolism All chemical reactions in a cell

15 Bear or Mouse Mice work harder to stay warm Higher muscle to fat ratio
More active in summer

16

17 Photosynthesis Converting sun to food
Requires sunlight, CO2, and water Produces: O2 and Sugar

18 The Process

19 An anabolic pathway Store energy for later
Trees be like, “I want that sun energy later, I’m’a convert it”

20 The problem with wind

21 Cell phone analogy

22 Cell phone analogy

23

24 Cellular Respiration Convert food to energy
Requires organic substance and O2 Gives off: CO2 and Water

25 The Process

26 I’m gonna use that energy now

27 Metabolic Pathway Nature ROCKS at recycling!!

28

29 ATP pathway Put energy in to make ATP Can use that energy later
Can also use energy elsewhere

30 Anabolic From lesser to greater complexity Build UP

31 Catabolic From greater to lesser complexity BREAK down

32


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