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WorksheetsMatter for Final
Total questions: 47
Worksheet time: 2hrs 16mins
One example of a physical change is
condensation
burning wood
cooking eggs
rusting iron
One example of a chemical change is
milk turning sour
water evaporating
meat freezing
condensation
Which state of matter has a definite shape and a definite volume?
solid
liquid
gas
Which state of matter has an indefinite shape and indefinite volume?
solid
liquid
gas
If the liquid is cooled, it will change to
solid
liquid
gas
What is the best name for this diagram?
Heating and cooling
Melting and freezing
Phase change
Two way reactions
What is the name of the process happening on the flat lines?
Heating or cooling
Melting or freezing
Phase change
Two way reactions
A substance has a melting point of -114 degrees C, and a boiling point of 85.5 degrees C. What state is it in at room temperature (about 20 degrees C)?
solid
liquid
gas
Calculate the density of a silver block. The volume is 2.0 cm3, and a mass of 5.4 grams.
,.37 grams/ cm3
2.0 grams/ cm3
2.7 grams/ cm3
5.4 grams/ cm3
What is the mass of a liquid with a volume of 2.0 mL and a density of .8 grams/mL?
.8 grams
1.6 grams
2.8 grams
2.5 grams
If you have a plastic block, and cut it into exactly two equal parts, what is the density of one of the halves?
The same as the density of the original block.
1/2 of the density of the original block.
2 times the density of the original block.
4 times the density of the original block.
If a sphere with a density of 1.2 grams/mL is dropped into a glass of water, what will happen to the sphere?
The sphere will float above the top of the water.
The sphere will sink to the bottom of the water.
The sphere will float in the middle of the water.
Solubility can usually be increased by
stirring
heating
cooling
both A and B
Using the graphed data, describe the relationship between temperature and solubility.
As temperature rises, solubility rises.
As temperature rises, solubility decreases.
As temperature decreases, solubility rises.
There is no relationship between temperature and solubility.
Boiling point, solubility, color and density are all used to
describe chemical properties.
describe physical properties.
describe both physical and chemical properties.
The definition of solubility is
the greatest component in a solution.
the substance dissolved in the solution.
a homogeneous mixture of two or more substances
amount of solute that can be dissolved in a solvent
What is the definition of condensation?
liquid cooling and forming a solid
liquid heating and becoming gas
solid heating and forming a liquid
gas cooling and forming a liquid
What is the definition of matter?
Anything that has mass and volume.
Anything that has length and mass.
Any chemical that can react.
Anything that can become a liquid.
What is made up of different molecules not chemically bonded?
element
compound
mixture
atom
Which choice is NOT a sign of a chemical reaction?
Condensation is formed.
A precipitate is formed.
Gas is produced.
Heat is produced.
Which choice is NOT a sign of a physical change?
Gas is produced.
The substance solidifies.
Two liquids separate.
A block floats at the top of water.
Equal-sized pieces of aluminum were placed in test tubes containing equal volumes of acid, at different temperatures. The temperature of the acid in test tube A is 5°C. The temperature of the acid in test tube B is 20°C.
Test tube A is producing bubbles of hydrogen gas. The piece of aluminum appears the same size as when it started.
Test tube B is producing more bubbles of hydrogen gas. The piece of aluminum appears the same size as when it started.
What observation would indicate that a chemical reaction is taking place in the test tubes?
The pieces of aluminum.
The bubbles of hydrogen gas.
The starting temperature of the test tubes.
The acid.
Equal-sized pieces of aluminum were placed in test tubes containing equal volumes of acid, at different temperatures. The temperature of the acid in test tube A is 5°C. The temperature of the acid in test tube B is 20°C.
Test tube A is producing bubbles of hydrogen gas. The piece of aluminum appears the same size as when it started.
Test tube B is producing more bubbles of hydrogen gas. The piece of aluminum appears the same size as when it started.
How could you speed up the experiment without changing the temperature?
Shaking the test tubes.
Adding more acid.
Shining a light on the test tubes
Removing the aluminum.
This image shows a precipitate being formed. This is a(n)
chemical change.
physical change.
elemental change.
reactant being formed.
Choose the graph which shows the relationship between temperature and molecular motion.
1
2
3
4
The diagram shows a tall beaker with four different liquids and their densities. If a ball has a density of 1.73 g/mL us placed in the beaker, where will the ball come to rest?
between liquids C and D
on the bottom of the beaker
between liquids B and C
on top of liquid A
A student adds a mixture of oil, sand, and sugar to a beaker of water and stirs. The student stops stirring and observes that the salt is no longer visible, the oil floats to the top, and the sand sinks to the bottom of the beaker.
What has happened to the salt?
It dissolved in the water and is no longer visible.
It mixed with sand and is invisible on the bottom of the beaker.
The salt is no longer there.
It dissolved in the oil and is no longer visible
A student adds a mixture of oil, sand, and sugar to a beaker of water and stirs. The student stops stirring and observes that the salt is no longer visible, the oil floats to the top, and the sand sinks to the bottom of the beaker.
Why is the sand on the bottom?
It has more mass than either the oil or the water.
It is more dense than the oil or the water.
It has mixed with the sugar and sunk.
It has undergone a chemical change.
Compared to the particles in ice, the particles in liquid water
have a lower temperature
have less kinetic energy
are moving faster
are closer together
Plastic is used to cover the copper wires in power cords because plastic differs from copper in
density
phase at room temperature
hardness
electrical conductivity
The tiny particles that make up all matter are called
genes
minerals
cells
atoms
Which phase change is represented by B?
condensing
liquidification
solidification
evaporation
Which two processes increase the motion of the molecules?
A and B
C and D
A and C
B and D
A wet shirt is put on a clothesline to dry on a sunny day. The shirt dries because water molecules
gain heat energy and condense
gain heat energy and evaporate
lose heat energy and condense
lose heat energy and evaporate
Which graph accurately shows the distance between molecules of the same substance in different states?
1
2
3
4
Which observation would be evidence that the water is undergoing a phase change?
Waves form on the top of the pond.
Water soaks into the wet sand.
The water splashes out of the swimming pool.
The water level in the glass of water decreases.
