Share Osmosis and Diffusion Review (7th Grade)
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The skin of a cell that controls what goes in and out
osmosis
autotroph
cell membrane
semi-permeable
Letting some things pass through but not others
cell membrane
semi-permeable
heterotroph
When water moves through a cell membrane
osmosis
diffusion
homeostasis
semi-permeable
When things spread out on their own (naturally)
semi-permeable
cell membrane
osmosis
diffusion
Movement across a cell membrane without using energy
osmosis
diffusion
passive transport
semi-permeable
Movement across a cell membrane using energy
diffusion
semi-permeable
active transport
osmosis
When a cell takes something in by wrapping around it
active transport
diffusion
endocytosis
passive transport
When a cell pushes something out
active transport
exocytosis
diffusion
osmosis
Particles naturally travel from...(passive)
low
high to low
high
low to high
You place a tea bag in a cup of hot water. After a few minutes, you notice that the water has changed color. Is this diffusion or osmosis?
osmosis
diffusion
Osmosis involves the movement of ________ particles across a membrane
air
particles
water
What is an example of diffusion?
water molecules moving across a membrane
sugar molecules moving across semi-permeable membrane
an egg being placed in fresh water
What will happen to an animal cell placed in salt water solution?
it will expand
it will shrink
it will stay the same
What does semi-permeable mean?
every particle is allowed into the cell
no particles are allowed into the cell
only some particles are allowed in
The smell of perfume moves across the entire room. This is an example of
all of the above
diffusion
photosynthesis
osmosis
If you place a drop of food coloring in a glass of still water. What is this considered?
osmosis
diffusion
photosynthesis
