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Total questions: 25
Worksheet time: 20mins
Name
Class
Date
1.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
2.
Define a liquid.
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
3.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
4.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
5.
What is happening when my ice cream changes from a solid to a liquid?
a)
freezing
b)
melting
c)
burning
d)
evaporation
6.
Particles of a liquid
a)
are tightly packed together and stay in a fixed position.
b)
have no viscosity.
c)
decrease in volume with increasing temperature.
d)
are free to move around one another but still touch.
7.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
8.
Which has a greater distance between particles?
a)
Solid
b)
Liquid
9.
The teacher heats a pot of water. Once the water reaches 100°C, which point has the water reached?
a)
Boiling
b)
Melting
c)
Freezing
d)
Evaporating
10.
Particles have energy and _________ stop moving
a)
rarely
b)
always
c)
never
d)
sometimes
11.
Matter changes state when...
a)
energy is added or removed
b)
energy is added
c)
energy is removed
d)
there is no energy
12.
As molecules gain energy, they move _____ and spread apart, and vise versa.
a)
faster
b)
slower
c)
less
d)
inside
13.
As molecules bump into each other, they push each other ________ until they are equally spread out.
a)
together
b)
apart
14.
As temperature decreases, the molecules collide more, move faster, and spread out.
a)
true
b)
false
15.
What state is a substance in if the temperature of a substance is between its melting point and its boiling point?
a)
solid
b)
liquid
c)
gas
d)
plasma
16.
Alex noticed that a metal door that sticks on hot days does not stick when it cools off at night. This is because the metal contracts as it cools. The reason for this is that, as the metal cools, the atoms:
a)
become smaller and take up less space
b)
slow down and move closer together
c)
merge together to form fewer atoms
d)
speed up and move farther apart
17.
The liquid in the thermometer rises when it is placed in the hot water because ___________.
a)
it gains heat from the hot water and expands.
b)
loses heat from the hot water and contracts.
c)
the surrounding air is too warm.
d)
the liquid is boiling.
18.
When objects contract upon cooling...
a)
volume increases and density increases.
b)
volume increases and density decreases.
c)
volume decreases and density decreases.
d)
volume decreases and density increases.
19.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
20.
When particles move from areas of high concentration to areas less concentrated, this has taken place.
a)
diffusion
b)
mitosis
c)
endocytosis
d)
photosynthesis
21.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
22.
Where is there a low concentration of perfume?
a)
in the bottle
b)
on the hand
c)
in the room
d)
in the top
23.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
24.
Which box has a higher density?
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
25.
In general what is the most dense form of matter?
a)
solid
b)
liquid
c)
gas
d)
plasmas
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