Diffusion
Presentation
•
Science
•
7th Grade
•
Practice Problem
•
Easy
Devorah Freilich
Used 2+ times
FREE Resource
1 Slide • 11 Questions
1
Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. The difference in the concentrations of the molecules in the two areas is called the concentration gradient.
2
Fill in the Blanks
How do cells move stuff through the cell membrane?
Type answer...
3
Open Ended
How are proteins used in active transport?
4
Multiple Choice
5
Multiple Choice
6
Multiple Choice
7
Multiple Choice
The general name for movement of substances across cell membranes without need of energy input
passive transport
active transport
8
Multiple Choice
Passive Transport uses ____ energy
no
a lot of
a little bit of
some
9
Multiple Choice
Passive Transport uses ____ energy
no
a lot of
a little bit of
some
10
Multiple Choice
Passive Transport is the movement of particles across the membrane from an area of [ ___ ] to an area of [ ___ ]
high to low
low to high
low to low
high to high
11
Multiple Choice
Diffusion & Facilitated Diffusion are both __________ transport.
Passive
Active
Easy
Free
12
Multiple Choice
Which gases move into and out of the blood at the lungs by diffusion
Nitrogen and Oxygen
Oxygen and Carbon Dioxide
Nitrogen and Carbon Dioxide
Argon and Nitrogen
Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. The difference in the concentrations of the molecules in the two areas is called the concentration gradient.
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