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year 8 Fluids

Total questions: 194

Worksheet time: 2hrs 21mins

Name
Class
Date
1.

_______ does not change shape or volume.

a)

Solids

b)

Liquids

c)

Gasses

2.

_______ have lots of space between particles and no regular arrangement.

a)

Solids

b)

Liquids

c)

Gasses

3.

_______ cannot be compressed.

a)

Solids

b)

Liquids

c)

Gasses

4.

_______ have molecules that flow/slide past each other, but are still close together.

a)

Solids

b)

Liquids

c)

Gasses

5.

_______ have Particles that Vibrate in place.

a)

Solids

b)

Liquids

c)

Gasses

6.

_______ have Particles move freely and are fast moving.

a)

Solids

b)

Liquids

c)

Gasses

7.

_______ have molecules that are usually arranged in a pattern.

a)

Solids

b)

Liquids

c)

Gasses

8.

_______ have little to no space between molecules

a)

Solids

b)

Liquids

c)

Gasses

9.

_______ can change shape and volume.

a)

Solids

b)

Liquids

c)

Gasses

10.

________ Easily compress.

a)

Solids

b)

Liquids

c)

Gasses

11.

________ have no regular pattern or arrangement as molecules just flow

a)

Solids

b)

Liquids

c)

Gasses

12.

________ molecules are locked in place

a)

Solids

b)

Liquids

c)

Gasses

13.

________ can not change volume, but can change shape.

a)

Solids

b)

Liquids

c)

Gasses

14.

If water is at 0 degrees celsius or below it will_________.

a)

Be a solid

b)

Be a liquid

c)

Be a gass

15.

If water is between 0 and 100 degrees celsius it will_________.

a)

Be a solid

b)

Be a liquid

c)

Be a gass

16.

If water is 100 degrees celsius or over it will_________.

a)

Be a solid

b)

Be a liquid

c)

Be a gass

17.

This shows the particles of a _______

a)

Solid

b)

Liquid

c)

Gass

18.

This shows the particles of a _______

a)

Solid

b)

Liquid

c)

Gass

19.

This shows the particles of a _______

a)

Solid

b)

Liquid

c)

Gass

20.
What happens when the motion of particles slows?
a)
The particles split.
b)
The particles move further apart.
c)
The particles move closer together
d)
The particles no longer move randomly.
21.
Which phrase best describes the particles in a solid?
a)
not moving
b)
very far apart
c)
vibrating in place
d)
able to slip past one another
22.
What causes surface tension?
a)
gaps between particles
b)
rapid movement of particles
c)
attractive forces between particles
d)
crystalline arrangement of particles
23.
Which grouping lists the states of matter in order of increasing distance between particles?
a)
gas, liquid, solid
b)
liquid, solid, gas
c)
solid, gas, liquid
d)
solid, liquid, gas
24.
A gas has a no definite shape and ________.
a)
a definite shape
b)
a definite volume
c)
no definite shape
d)
no definite volume
25.
A liquid has no definite shape and ________.
a)
a definite shape
b)
a definite volume
c)
no definite shape
d)
no definite volume
26.
A solid has ________ and a definite volume.
a)
a definite shape
b)
a definite volume
c)
no definite shape
d)
no definite volume
27.

The energy an object has due to its motion

a)

thermal energy

b)

temperature

c)

kinetic energy

28.

Measure of the average kinetic energy of the particles in an object

a)

thermal energy

b)

temperature

c)

kinetic energy

29.

The total potential and kinetic energy of an object

a)

thermal energy

b)

temperature

c)

kinetic energy

30.

Changing from a liquid to a gas

a)

condensation

b)

vaporization

c)

sublimation

d)

melting

31.

Changing from a gas to a liquid

a)

condensation

b)

vaporization

c)

sublimation

d)

melting

32.

Changing directly from a solid to a gas

a)

condensation

b)

vaporization

c)

sublimation

d)

melting

33.

Evaporation and boiling are two kinds of _______

a)

condensation

b)

vaporization

c)

sublimation

d)

melting

34.

Deposition is a change from a __________

a)

gas to a solid.

b)

solid to a gas.

c)

liquid to a gas.

d)

gas to a liquid.

35.

Vaporization that occurs within a liquid is _________

a)

boiling.

b)

evaporation.

c)

sublimation.

d)

condensation.

36.

Anything that takes up space and has mass is

a)

Matter

b)

Volume

c)

Liquid

d)

Atom

37.

A solid

a)

has particles that are far apart

b)

has a size and shape of its own

c)

takes the shape of its container

38.

The smallest part of matter and makes up molecules

a)

is an atom

b)

is a molecule

c)

is a gas

d)

is matter

39.

Oxygen is

a)

a gas you can breathe

b)

a solid you can eat

c)

a liquid which changes shape

d)

a brother to carbon dioxide

40.

In a _______ the molecules are close together.

a)

solid

b)

liquid

c)

gas

41.

All _______ can move and flow.

a)

liquids

b)

solids

c)

gases

42.

An example of a solid is

a)

a desk

b)

oxygen

c)

water

d)

juice

43.

An example of a liquid is

a)

honey

b)

a stapler

c)

a water bottle

44.

One similarity between solids, liquids and gases is

a)

all three have atoms and molecules

b)

all three have molecules that are close together

c)

all three take the shape of their containers

45.

A ________ has no shape and no size.

a)

gas

b)

liquid

c)

solid

46.

The attraction between particles gives solids a definite

a)

shape and volume

b)

shape and color

c)

shape and position

d)

flow and radius

47.

The temperature at which a solid begins to liquefy is its ______ point.

a)

freezing

b)

boiling

c)

melting

d)

mass

48.

The amount of energy required for a liquid at its boiling point to become a gas is _____________.

a)

heat of fusion

b)

heat of vaporization

c)

transpiration

d)

freezing point

49.

_______________ is an increase in the size of a substance when the temperature is increased.

a)

kinetic energy

b)

potential energy

c)

thermal point

d)

thermal expansion

50.

According to the kinetic theory of matter, all matter is composed of

a)

waves

b)

particles

c)

solid material

d)

plasma

51.

Which of the following is a state of matter?

a)

particle

b)

thermal

c)

plasma

d)

diffuse

52.

When the temperature of a substance is lowered, its particles

a)

vibrate more quickly

b)

stop vibrating completely

c)

escape the attractive forces of the other particles

d)

vibrate more slowly

53.

The amount of energy needed to change a substance from the solid phase to the liquid phase is the substance's

a)

heat of vaporization

b)

heat of transformation

c)

melting point

d)

heat of fusion

54.

Why can people on one side of a room smell the scent of an air freshener sprayed on the opposite side of the room?

a)

The molecules of air freshener have thermally expanded

b)

The air pressure where the freshener was sprayed is greater than in the rest of the room

c)

The molecules of air freshener spread out until they are evenly distributed throughout the room

d)

The molecules of air freshener are amorphous

55.

What is the most common state of matter in the universe?

a)

solid

b)

liquid

c)

gas

d)

plasma

56.

An example of an amorphous solid is

a)

glass

b)

dry ice

c)

liquid crystals

d)

water

57.

An example of a substance that can undergo sublimation is

a)

glass

b)

liquid crystals

c)

water

d)

dry ice (frozen carbon dioxide)

58.

When a gas becomes a liquid it is called

a)

condensation

b)

evaporation

c)

sublimation

d)

freezing

59.
What are the three states of matter? 
a)
boxes, solids, and gases
b)
square, circle and triangle
c)
solids, liquids and gases
60.
Matter is anything that has _________ and _________.
a)
length and width
b)
mass and volume
c)
a boiling point and a freezing point
d)
size and shape
61.
The amount of matter in a substance, or object, is its __________.
a)
volume
b)
length
c)
temperature
d)
mass
62.
Which state of matter has molecules that slide past each other but stay close together? They do not form a regular pattern.
a)
solid
b)
liquid
c)
gas
63.
In which state are the particles least able to move?  (Which is the solid?)
a)
State A
b)
State B
c)
State C
d)
None
64.
What happens when a liquid freezes?
a)
The particle lose kinetic energy and turn into a gas
b)
The particles lose kinetic energy and turn into a solid
c)
The particles gain kinetic energy and turn into a solid
d)
The liquid turns cold
65.
The speed of the molecules determines the _____.
a)
volume
b)
density
c)
pressure
d)
temperature
66.
What is the process called at #2?
a)
melting
b)
freezing
c)
evaporating
d)
condensing
67.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
68.

Which phase is represented in the model.

a)

Solids

b)

Liquids

c)

Gas

d)

Carousso

69.
The boiling point of water is ______________.
a)
0° C
b)
50° C
c)
200° C
d)
100° C
70.
A solid is
a)
a substance that does not have a definite shape or volume
b)
a substance with a definite volume, but no definite shape
c)
a substance with a definite shape and volume
d)
a substance whose particles glide past one another
71.
Which phrase best describes the particles in a solid?
a)
not moving
b)
very far apart
c)
vibrating in place
d)
able to slip past one another
72.
Is sand a solid, liquid or gas?
a)
Solid
b)
Liquid
c)
Gase
73.
How do gases move?
a)
They flow into any container.
b)
The keep their shape and are rigid.
c)
They vibrate and move freely at high speeds.
74.
True or false: Gases can be squashed or forced into a smaller space
a)
True
b)
False
75.

A substance's ______________ is when it changes from a liquid to a solid

a)

melting point

b)

boiling point

c)

freezing point

d)

triangle point

76.

What is the phase change called when a gas becomes a liquid?

a)

condensation

b)

evaporation

c)

sublimation

d)

freezing

77.

A solid takes up a certain amount of _____.

a)

space

b)

light

c)

food

78.

Gases keep their shapes and spread out.

a)

true

b)

false

79.

Which choice correctly identifies each kinetic theory diagram?

a)

Solid, liquid, gas

b)

Gas, solid, liquid

c)

Liquid, gas, solid

d)

gas, liquid, solid

80.
A combination of two or more substances that can be easily separated.
a)
dissolve
b)
mixture
c)
solution
d)
physical property
81.
One or more substances dissolve in another and cannot be easily separated.
a)
mixture
b)
solution
c)
dissolve
d)
solute
82.
To break down into tiny pieces to small to be seen.
a)
solute
b)
solvent
c)
dissolve
d)
solution
83.
process where a liquid becomes a gas
a)
condensation
b)
evaporation
c)
physical property
d)
dissolve
84.
the substance to be dissolved in a liquid
a)
solute
b)
solvent
c)
dissolve
d)
mixture
85.
the liquid a substance dissolves in
a)
solute
b)
solvent
c)
mixture
d)
solution
86.
the temperature at which a solid becomes a liquid.
a)
freezing point
b)
melting point
c)
boiling point
d)
condensation point
87.
the temperature at which a liquid becomes a solid
a)
melting point
b)
boiling point
c)
freezing point
d)
condensation point
88.
the temperature at which a liquid becomes a gas
a)
melting point
b)
freezing point
c)
boiling point
d)
condensation point
89.
process where a gas turns back into a liquid
a)
melting
b)
freezing
c)
evaporation
d)
condensation
90.
the ability to float
a)
buoyancy
b)
melting
c)
freezing
d)
boiling
91.
characteristics that can be used to classify matter
a)
mixture
b)
solution
c)
solute
d)
physical property
92.
If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?
a)
20 grams
b)
0 grams
c)
27 grams
d)
10 grams
93.
To separate a mixture of salt and water what separation tool/method is used?
a)
Filter
b)
Screen
c)
Magnet
d)
Evaporation
94.
If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?
a)
Filter
b)
Screen
c)
Magnet
d)
Evaporation
95.
Solutions are a type of mixture.  What makes solutions different from other mixtures is....
a)
The elements in a solution react to compounds
b)
One substance dissolves in the other
c)
Two or more substances are combined
d)
There is a chemical change when combined
96.
Solution A has a density of 61g/50mL 
Solution B has a density of 21g/50mL
Solutions C has a density of 41/50mL
Put them in order from most dense to less dense.
a)
A. B. C
b)
C, B, A
c)
A, C, B
d)
C, A, B
97.
__________ is the ability of an object to float or sink in water
a)
Solubility
b)
Relative Density
c)
Magnetism
d)
Mass
98.
When we put a substance in water and stir it to see if it dissolves we are testing for_______________________.
a)
Relative Density
b)
Solubility
c)
Mass
d)
Temperature
99.
When making fudge on the stove the spoon in the pan becomes very hot.  why?
a)
The Spoon is too short for the pan
b)
A spoon is a poor conductor of heat
c)
A spoon is a good insulator
d)
A spoon is a good conductor of heat
100.

Which one describes purity or pure element?

a)

it has two or more different types of atom

b)

it has one and the same type of atoms all throughout

c)

it is made up of sub-atomic particles

d)

it is a matter and has the different subatomic particles

101.

Gold is divided into 24 parts, with each single unit called a karat. The higher the karat, the purer the gold. How much is the concentration of gold in a 14 K neclace?

a)

99.5 %

b)

75 %

c)

58.3 %

d)

41.7 %

102.

A sample of impure gold weighed 20 g and only contained 5 g of pure gold. The percentage of purity is... (% purity = mass of the substance in the sample/mass of the sample X 100)

a)

0.25 %

b)

25 %

c)

4 %

d)

400

103.

A sample of impure mercury weighed 10 g and only contained 2 g of pure mercury. The percentage of purity is... (% purity = mass of the substance in the sample/mass of the sample X 100)

a)

0.2 %

b)

20 %

c)

5 %

d)

500

104.
__________ are made up of solutes and solvents.
a)
Solutions
b)
Suspension
c)
Colloid
105.
Which is an example of a solute?
a)
Milk
b)
Sugar
c)
Water
d)
Ginger Ale
106.
Which is an example of a solvent?
a)
Salt
b)
Iced Tea mix
c)
Water
d)
Sugar
107.
Which is an example of a solute?
a)
Egg whites
b)
Sugar
c)
Water
d)
Acetone
108.
Which is an example of a solvent?
a)
Salt
b)
Egg whites
c)
Water
d)
Sugar
109.

If I dissolve sugar in water, what is the solution?

a)

water

b)

sugar

c)

sugary water

d)

none of the above

110.
Describe a solute.
a)
part of solution present in largest amount
b)
gets dissolved
c)
water
d)
surrounds and breaks apart
111.
__________ are made up of solutes and solvents.
a)
Solutions
b)
Suspensions
c)
Heterogeneous Mixtures
d)
Pure Substances
112.

Which of the following refers to the substance that is being dissolved in a solution?

a)

solvent

b)

solute

c)

mixture

113.

This is an example of a

a)

Solution

b)

Mixture

114.

10 grams of sugar have been dissolved in 100 mL of water. The concentration of sugar in water is as follows: 


(Equation Concentration of substance = mass of solute in grams/volume of solvent in liters or milliliters)

(a)  

115.

Calculate the concentration for a 20 g of food coloring dissolved in 10 mL of water in a beaker. (Equation Concentration of substance = mass of solute in grams / volume of solven in liters or mililiters)

a)

0.5 g / mL

b)

2 g / mL

c)

200 g / mL

d)

10 g / mL

e)

30 g / mL

116.

The picture below is an example of _________________.

a)

osmosis

b)

isotonic

c)

diffusion

d)

active transport

117.
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
118.
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
119.
Where is there a low concentration of perfume?
a)
in the bottle
b)
on the hand
c)
in the room
d)
in the top
120.

What is DIFFUSION?

a)
b)
c)
d)
121.
The picture  is an example of _________________.
a)
isotonic
b)
diffusion
c)
osmosis
d)
active transport
122.

Diffusion occurs only in solids

a)

True

b)

False

123.

Diffusion is the free movement of particles from an area of __________ concentration to an area of ________ concentration.

a)

High to high

b)

High to low

c)

Low to low

d)

Low to high

124.

An increase in temperature does what to diffusion?

a)

Speeds it up

b)

Slows it down

c)

Stops it

d)

No effect

125.

When does diffusion stop?

a)

After a day and a night

b)

When the particles are evenly spread out

c)

When there are no particles left

d)

When all the particles leave the system

126.

Diffusion occurs only in solids

a)

True

b)

False

127.

What is a solute?

a)

A substance dissolved in another substance

b)

the substance doing the dissolving

128.

What is a solvent

a)

The one doing the dissolving

b)

The substance dissoved in another substance

129.

How do the particles move in diffusion?

a)

From a region of low concentration to a region of high concentration

b)

From a region of high concentration to a region of low concentration

c)

From a region of low concentration to a region of low concentration

d)

From a region of high concentration to a region of high concentration

130.

How long does diffusion last?

a)

Until the concentration of particles in the system is equal

b)

(Select this answer and I swear i'll make it harder for you in the assessment task)

c)

Until a region in the system has a greater concentration of particles than the other

d)

Until the particles disappear from the system

131.

What happens to the coffee particles when coffee is added to hot water?

a)

They sink to the bottom of the cup

b)

They spread out

c)

They clump together

132.

Select the 4 correct answers. A particle _____.

a)

can be a solid.

b)

can be a liquid.

c)

can be a gas.

d)

has random motion.

e)

remains stationary.

133.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
134.

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

135.

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

136.
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
137.
Objects gain heat and _________. 
a)
expand
b)
contract
138.
What happens to particles when they are heated?
a)
They speed up and spread out
b)
They slow down and compress
c)
They stop moving
d)
They move closer together and speed up
139.

From fastest to slowest rate of diffusion, which of the following is in the correct sequence?

a)

Solids, liquids, gases

b)

Liquids, gases, solids

c)

Gases, liquids, solids

d)

Gases, solids, liquids

140.

Which of the following will diffuse the fastest?

a)

A tablespoon of sugar in a glass of water

b)

Heat through a solid piece of steel

c)

A pinch of salt in a glass of water

d)

The smell of bacon cooking throughout a room

141.

What does a 'region with high concentration' mean?

a)

An area with a SMALL number of particles

b)

An area with a LARGE number of particles

c)

An area with an UNEVEN number of particles

d)

An area with no particles

142.

An increase in temperature does what to diffusion?

a)

Speeds it up

b)

Slows it down

c)

Nothing

d)

Stops it all together

143.
How can we increase the gas pressure inside a sealed container?
a)
Increase the number of particles inside the container
b)
Increase the temperature
c)
Decrease the volume of the container
d)
All of these
144.

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

a)

The pressure will increase

b)

The pressure will decrease

c)

The pressure will remain constant

d)

The pressure will equalize

145.
Which of the following would increase the (gas) pressure of a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
146.

The pressure inside the balloon will:

a)

Decrease

b)

Increase

c)

Remain the same

d)

Not enough information to formulate an answer

147.

The pressure of the gas in the balloon in the ice water will be:

a)

Greater than that of the balloon in the boiling water.

b)

Less than that of the balloon in the boiling water.

c)

The same as that of the balloon in the boiling water.

d)

Not enough information to answer the statement.

148.

This is an example of the everyday application of pressure in:

a)

Solids

b)

Liquids

c)

Gases

d)

Plasma

149.

We can increase the pressure of a gas by:

a)

Adding more gas.

b)

Reduce the volume of the container.

c)

Increase the temperature of the gas.

d)

None of the above answers.

150.

The reason gases can be compressed is because:

a)

The particles are very close together.

b)

The particles are merely vibrating.

c)

The particles are unable to move.

d)

The particles are very far apart.

151.

Gas pressure is caused by

a)

Gas molecules heating up

b)

Gas molecules reacting with other gas molecules

c)

Gas molecules hitting the walls of a container

d)

Gas molecules hitting other gas molecules

152.
What direction do the molecules go in the air?
a)
everywhere
b)
no where
c)
there are no molecules
d)
downward
153.

why does increased temperature cause an increase in pressure

a)

kinetic energy increases which causes more collisions

b)

kinetic energy decreases which causes less collisions

c)

there are no collisions

d)

that's not what happens

154.

State of matter with a definite shape and definite volume.

a)

solid

b)

liquid

c)

gas

155.

State of matter with a definite volume, but no definite shape.

a)

solid

b)

liquid

c)

gas

156.

State of matter with no definite shape and no definite volume.

a)

solid

b)

liquid

c)

gas

157.

Particles are closely spaced.

a)

solid

b)

liquid

c)

gas

158.

Particles are not so closely spaced and slide past each other.

a)

solid

b)

liquid

c)

gas

159.

Particles are widely spaced except when they collide.

a)

solid

b)

liquid

c)

gas

160.

What happens to particles when their temperature increases?

a)

The particles move slower

b)

The particles move faster

c)

The particles lose mass

d)

The particles gain mass

161.
What are the three states of matter?
a)
Rock, Brick, Shoe
b)
Solid, Liquid, Gas
c)
Liquid, Water, Soda
d)
Rain, Sleet, Snow
162.
What do all liquids have in common?
a)
They are clear
b)
They can be poured
c)
They are sticky
d)
You can drink them
163.
What state of matter does this picture show?
a)
Liquid
b)
Gas
c)
Solid
d)
Matter
164.
When you heat water it turns into a ____
a)
liquid
b)
water
c)
gas
d)
solid
165.

___________is the result of the weight of a column of air pushing on an area.

a)

Air pressure

b)

Density

c)

Volume

d)

none of the above

166.

In what direction does air exert pressure?

a)

Upward

b)

Downwards

c)

In all directions

167.

A _____________ is the scientific instrument used to measure air pressure.

a)

Thermometer

b)

Anemometer

c)

Barometer

d)

None of the above

168.

As you go up a mountain air pressure ....

a)

Increases

b)

Decreases

c)

Stays the same

169.

If we blow up a balloon, what happens to the pressure inside the balloon?

a)

Increases

b)

Decreases

c)

Remains same

170.

Will you be able fully to blow up a balloon inside a bottle?

a)

Yes

b)

No

171.

This is a barometer with mercury in it. If the height of the column is 76cm at Sea level , what happens as we go up the mountains ?

a)

Height of column increases

b)

Height of column decreases

c)

Height remains the same

172.

Cold places have higher barometric pressure so, do cold places suffer from cyclones?

a)

Yes

b)

No

173.

An astronaut's lungs without a spacesuit will in the vacuum of space will ...

a)

Blow up and rupture

b)

Implode

174.

In an airplane, the ears pop at higher altitudes because pressure inside the ear ....

a)

Higher than outside

b)

Lower than outside

175.

Which of the following would NOT increase the rate at which a sugar cube dissolves?

a)

Reducing the amount of solvent

b)

Crushing the sugar cube

c)

Stirring the solution

d)

Heating the solvent

176.

You can make a solute dissolve more quickly in a solvent by

a)

adding more solute.

b)

adding ice.

c)

heating the solvent.

d)

removing some solvent.

177.

Which of the following would result in being able to dissolve a greater amount of solid in a solution?

a)

Lower the temperature.

b)

Decrease the pressure of the solution.

c)

Increase the pressure of the solution.

d)

Heat the solution.

178.

Stirring the solution...

a)

decrease the rate of solubility

b)

Doesn't change the rate of solubility

c)

increase the rate of solubility

d)

None of the above

179.

When you measure how fast a solute dissolves, you are measuring the

a)

amount of dissolving

b)

rate of particle movement

c)

amount of particle movement

d)

rate of solubility

180.

Sugar dissolves faster in hot tea compared to iced tea.

What is the factor affecting the rate of solubility in the statement above?

a)

Rate of stirring

b)

Temperature

c)

Size of solute

d)

Total surface area

181.

The amount of solute that can be dissolved in a specific amount of solvent at a given temperature is its

a)

concentration.

b)

density.

c)

dilution.

d)

solubility.

182.

Why do sugar particles dissolve faster in hot water?

a)

water particles move slow

b)

water particles move fast

c)

water particles settle down

d)

water particles stay on top

183.

What combination would dissolve a solid solute the fastest?

a)

high temperature, no stirring

b)

no heat, no stirring

c)

sugar cube, no heat

d)

high temperature, stirring

184.

A ___________ is the mixture formed when solutes dissolves in a solvent.

a)

solution

b)

solvent

c)

liquid

d)

solid

185.

What is evaporation?

a)

The process by which a gas turns into a liquid.

b)

The process by which a liquid turns into a gas or vapor.

c)

The process by which a solid turns into a gas.

d)

The process by which a gas turns into a solid.

186.

What is evaporation?

a)

The process by which a gas turns into a liquid.

b)

The process by which a liquid turns into a gas or vapor.

c)

The process by which a solid turns into a gas.

d)

The process by which a gas turns into a solid.

187.

What is condensation?

a)

The process by which a liquid changes into a solid state.

b)

The process by which a liquid changes into a gas or vapor state.

c)

The process by which a gas or vapor changes into a liquid state.

d)

The process by which a solid changes into a gas or vapor state.

188.

What is vaporization?

a)

The process of converting a substance from its solid state to its liquid state

b)

The process of converting a substance from its solid state to its gaseous state

c)

The process of converting a substance from its gaseous state to its liquid state

d)

The process of converting a substance from its liquid state to its gaseous state

189.

What is the boiling point?

a)

The temperature at which a substance changes from a solid to a liquid.

b)

The temperature at which a substance changes from a liquid to a gas.

c)

The temperature at which a substance changes from a gas to a liquid.

d)

The temperature at which a substance changes from a gas to a solid.

190.

What is evaporation?

a)

The process by which a gas turns into a liquid.

b)

The process by which a liquid turns into a solid.

c)

The process by which a solid turns into a liquid.

d)

The process by which a liquid turns into a gas or vapor.

191.

What is phase change?

a)

Change in the color of an object

b)

Transition of matter from one state to another

c)

Change in the time of day

d)

Change in the weather pattern

192.

What is boiling?

a)

The process in which a liquid turns into a solid when it is heated to its boiling point.

b)

The process in which a solid turns into a liquid when it is heated to its boiling point.

c)

The process in which a gas turns into a liquid when it is heated to its boiling point.

d)

The process in which a liquid turns into vapor when it is heated to its boiling point.

193.

What is the opposite of evaporation?

a)

Melting

b)

Sublimation

c)

Freezing

d)

Condensation

194.

What is the opposite of boiling?

a)

Melting

b)

Evaporating

c)

Heating

d)

Freezing

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