DO NOW - Mr. Searles` Science

7th Grade
Science
Name: ________________________________
Date: March 20, 2017
Unit: Living Cells
Packet: Cell 8 – Cell
Transport 2
Homeroom: ___________________________
OBJECTIVES: By the end of class, students will be able to…
SWBAT explain how materials move into and out of cells through diffusion, active and
passive transport.
DO NOW
Agenda:
1. Do Now
2. Opening
3. Notes
4. Guided Practice
5. Independent Practice
6. Homework Overview
7. Closing
Homework: Cells 8 – Cell Transportation 2
Do Now
1. The process by which water moves across a membrane is called
A. Osmosis
B. Resolution
C. Active transport
D. Exocytosis
2. Some substances but not others can cross the
______________________________________ membrane of a cell.
Match the term with its definition by writing the letter of the correct definition in the right
column on the line beside the term in the left column.
3. _____ osmosis
a. the process by which large molecules are engulfed by a cell
4. _____ exocytosis
b. the process by which molecules tend to move from an area
of higher concentration to an area of lower concentration
5. _____ diffusion
c. the process by which large molecules are expelled from a
cell.
6. _____ endocytosis
d. the process by which water moves across a semi-permeable
membrane.
1
I DO: Class Notes
2
3
4
5
1. Define Passive Transport:
_______________________________________________________________________________________
_______________________________________________________________________________________
A. Give examples: ______________________________________________________________
2. Define Active Transport:
_______________________________________________________________________________________
_______________________________________________________________________________________
3. Define Exocytosis:
_______________________________________________________________________________________
_______________________________________________________________________________________
4. Define Endocytosis:
_______________________________________________________________________________________
_______________________________________________________________________________________
6
WE DO: Guided Practice
4. How does active transport differ from passive transport?
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
5. What makes the cell membrane selectively permeable?
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
7
8
7th Grade
Science
Name: _______________________________
Date: March 20, 2017
Homeroom: ________________________
Unit: Living Cell
Lesson: Cells 8 – Cell
Transportation 2
_______/5 = ________%
DNG?
A
9
B
C
D
F