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WorksheetsDiffusion & Conservation of Mass
Total questions: 11
Worksheet time: 17mins
Name
Class
Date
1.
What is diffusion?
a)
when molecules move
b)
when molecules move from a high concentration to a low concentration.
c)
no movement
d)
molecules move everywhere
2.
molecules move from a
a)
high concentarion to low concentartion
b)
up and down
c)
left to right
d)
no movement
3.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup
d)
no concenteraion gradient
4.
Where is there a low concentration of perfume?
a)
in the bottle
b)
on the hand
c)
in the room
d)
in the top
5.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
6.
The movement of particles from high concentration to low concentration is called?
a)
Photosynthesis
b)
Diffusion
c)
Osmosis
d)
Eating
7.
The Law of Conservation of Matter states:
a)
Matter can be created or destroyed but not transformed
b)
Matter cannot be created or destroyed, it can only transformed
c)
Matter can't be created, destroyed or transformed
8.
According to the Law of Conservation of mass (matter), the amount of matter before and after a reaction must be the same. Which statement below is true?
a)
The total amount of matter is conserved
b)
The total amount of matter is less after a reaction
c)
The total amount of matter is more after a reaction
9.
Can matter be created or destroyed?
a)
Yes, it can be created.
b)
Yes, it can be destroyed.
c)
No, matter is always conserved
d)
None of these
10.
The mass after a physical change, such as ice melting into water, stays the same
a)
True
b)
False
11.
The total amount of matter (atoms) before and after a chemical reaction (change), remains the same.
a)
True
b)
False
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