11/4 & 11/5 - 7th Grade Agenda
Collect Reading & Note Taking p. 65 - 68
Collect Cell Model
Class work: Cell City Worksheet
Elodea Plant - Microscope Lab
Photosynthesis
Class Reading: p.118-122
HW: Reading & Note Taking: p. 69 - 70
Reminder: Chap 3 Test on 11/8 & 11/9
Reflection
• What is the difference between active and
passive transport?
Answers to Chap 3 Study Guide
available on ccms.ccusd.org
Diffusion
• Diffusion is the
main method by
which small
molecules m___
ove
across the cell
mem______.
brane
What causes diffusion?
• Collisions of
molecules
Osmosis
• Osmosis is the
diffusion of
wa_____
ter
molecules through
a selectively
permeable
brane
mem_____
Passive Transport
ement of
• The mov________
dissolved materials
through a cell
out
membrane with___
using cellular energy
• Diffusion and osmosis
are examples of
Passive Transport
Active Transport
• The movement of
materials through a
cell membrane using
rgy
cellular ene____
What is the difference between Passive
Transport and Active Transport
Passive Transport
Don’t use energy
Active Transport
Use energy
Microscopes
• Magnification: How
rge an image
la______
can appear.
• Resolution: How
arp an
sh______
image can appear
Which image has higher
resolution?
A
B
Which image has higher
magnification?
A
B
What is the total magnification of
the microscope?
10X
20X
10 X 20 =
200
What is the total magnification of
the microscope?
10X
15X
10 X 15 =
150
Chap 4 Photosynthesis
• What is Photosynthesis?
Photosynthesis
• Photosynthesis: The process by which a
nergy in sunlight
cell captures the e________
and uses it to make f______.
ood
Photosynthesis: 2 Stage Process
• Stage 1: Capture Sunlight (energy)
through Chloroplasts
• Stage 2: Use captured water, energy and
carbon dioxide to produce sugar and
oxygen
Chloroplasts
orophyll
• Chl________
pigments inside
chloroplasts absorb
su________
nlight and
convert it into energy
Chloroplasts
Elodea Plant – Microscope Lab
Chloroplasts