WorksheetsDiffusion Rate & Changes in State of Matter
Total questions: 15
Worksheet time: 9mins
Name
Class
Date
1.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
2.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
3.
The picture is an example of _________________.
a)
isotonic
b)
diffusion
c)
osmosis
d)
active transport
4.
Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration
a)
High, low
b)
Low, high
c)
Low, low,
d)
High, high
5.
An increase in temperature does what to diffusion?
a)
Speeds it up
b)
Slows it down
c)
Has no effect
d)
I wish i knew. Really I do.
6.
when a person smells something, what is actually traveling up their nose?
a)
solids
b)
moleulces
c)
matter
d)
plasma
7.
Which form of matter has a definite shape and takes up space (has definite volume)?
a)
liquid
b)
solid
c)
gas
d)
clay
8.
What is happening when my ice cream changes from a solid to a liquid?
a)
freezing
b)
melting
c)
burning
d)
evaporation
9.
Adding heat from a solid
a)
will cause it to melt and turn into gas
b)
will cause it to boil and turn into liquid
c)
will cause it to melt and turn into liquid
d)
will cause it to sublimate
10.
Adding more heat energy to molecules will
a)
make them move slower
b)
make them move faster
c)
make them stop moving
d)
destroy them
11.
When we remove heat from a liquid
a)
it will freeze and turn into a solid
b)
it will freeze and turn into a gas
c)
it will freeze and turn into a liquid
d)
it will freeze and turn into plasma
12.
Molecules have energy and _________ stop moving
a)
rarely
b)
always
c)
never
d)
sometimes
13.
Matter changes state when...
a)
energy is added or removed
b)
energy is added
c)
energy is removed
d)
there is no energy
14.
+Energy(heat)
a)
solid to gas
b)
liquid to solid
c)
gas to liquid
d)
gas to solid
15.
_______________ happens when molecules collide and push each other apart.
a)
concentration
b)
diffusion
100 %
