Osmosis and Diffusion
Flashcard
•
Biology
•
6th - 8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is diffusion?
Back
Diffusion is the process by which molecules move from an area of high concentration to an area of low concentration until equilibrium is reached.
2.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration.
3.
FLASHCARD QUESTION
Front
What happens to molecules at equilibrium?
Back
At equilibrium, there is no net movement of molecules; they continue to move, but the concentrations remain balanced.
4.
FLASHCARD QUESTION
Front
How does temperature affect the rate of diffusion?
Back
Higher temperatures increase the kinetic energy of molecules, leading to a faster rate of diffusion.
5.
FLASHCARD QUESTION
Front
What is a semi-permeable membrane?
Back
A semi-permeable membrane is a barrier that allows certain molecules to pass through while blocking others.
6.
FLASHCARD QUESTION
Front
What is the role of concentration gradients in diffusion?
Back
Concentration gradients drive diffusion, as molecules move from areas of higher concentration to areas of lower concentration.
7.
FLASHCARD QUESTION
Front
What will happen to a cell placed in a hypertonic solution?
Back
The cell will lose water and shrink due to osmosis.
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