1. 10/29 & 10/ th Grade Agenda
Learning Objective: Learn about diffusion and osmosis
Collect HW: Reading & Note Taking p. 67
Chap 3 Study Guide
Video: Test Your Brain
Class Reading p.102 – 107
HW: Reading Guide Chap 3 Section 4
Reminder Chap 3 Test on 11/3 & 11/4
Reminder: HW: Cell Model due 11/5 & 11/6 (40 Points)

2. Reflection
Write 3 facts about Chemical compounds in your body.

3. What are cells and organelles made out of?
Chemicals

4. What are chemicals made out of?
ounds
Comp_________
Can you give me examples of compounds?
Water, Sugar, Alcohol, Carbon Dioxide

5. Compound
When two or more elements comb_____ chemically, they form a compound
ine

6. Elements
An element is any substance that cannot be br_______ down into a simpler substance.
Can you give me an example of an element?
Gold, Hydrogen, Oxygen, Carbon, Nitrogen, Iron
oken

7. Compound
Carbohydrates, lipids, proteins and nucleic acids are important groups of organic com_____________ in living things
pounds

8. Organic Compounds vs Inorganic Compounds
What is the difference between organic and inorganic compounds?
Organic compounds have the element carbon (and Hydrogen).

9. Carbohydrates ergy bon ars
A carbohydrate is an en______ rich organic compound made up of car______, sugar and oxygen.
Carbohydrates are used to fuel our body
Sug____ and starches are examples of carbohydrates.
ergy
bon
ars

10. Lipids = Fat
rgy
Lipids are ene______ rich organic compounds made of car______, hydrogen and oxygen
Lipids are used by our ner____ cells
Fats, oils and waxes are all lipids
bon ve

11. Proteins
Proteins are large organic molecules made of car_____, hydrogen, oxygen, nitrogen.
Proteins are used to build mus_____, skin and bone cells
Food that are high in protein include me___, eggs, fi_____, nuts and beans
bon
cle at sh

12. Enzymes
An enzyme is a type of protein that speeds up a che______ reaction in a living thing.
For example, enzymes in your saliva speed up the dige______ of food.
mical
stion

13. Nucleic Acids ructions
Nucleic acids contain the inst________ that cells need to carry out all the functions of life.
DNA and RNA are Nucleic Acids
ructions

14. What are the organic compounds found in cells?
Water : 70%
Pro______ :15 % (Building Block)
Lip_____ (Fat) :10% (Long term Energy)
Carboh______ : 4% (Short term Energy)
Nuc______ Acid : 1% (DNA & RNA)
tein
ids
ydrates
leic

15. Diffusion
Diffusion is the main method by which small molecules m___ across the cell mem______.
ove
brane

16. What causes diffusion?
Collisions of molecules

17. Osmosis
Osmosis is the diffusion of wa_____ molecules through a selectively permeable mem_____
ter
brane

18. Passive Transport ement out
The mov________ of dissolved materials through a cell membrane with___ using cellular energy
Diffusion and osmosis are examples of Passive Transport
ement
out

19. Active Transport
The movement of materials through a cell membrane using cellular ene____
rgy

20. What is the difference between Passive Transport and Active Transport
Don’t use energy
Use energy