WorksheetsSubstances and Their Properties - Lesson Review
Total questions: 26
Worksheet time: 15mins
Physical properties....
change the matter when studied
can be observed and measured without changing the matter being studied
include the ability to burn and rust
are useless unless studied in a lab
What would happen if you used a solubility test to identify flour by using water?
The flour would clump up.
The flour would dissolve into the water.
The flour would become sticky and turn into dough.
The flour would change from a white to a brown.
Flammability means the ability to _______ and is a _________ property.
melt; chemical
rust; physical
change; physical
burn; chemical
Mass is the
shape of a substance or molecule.
number of atoms or molecules in an object.
physical size of an object or sample of an object.
amount of matter in an object or sample of an object.
What is another term for “substances” that is commonly used?
agents
chemicals
molecules
What is a substance?
any collection of molecules or atoms, no matter the size
matter that includes molecules that have at least four different elements
matter that has a constant chemical composition and characteristics
matter that has a changing chemical composition and various characteristics
What unit would you use to measure the amount of matter in an object?
Meter
Newton
Kilogram
Liter
A characteristic of matter that can be observed or measured without changing the identity of the matter.
Reactivity Property
Physical Property
Chemical Property
Flammability Property
Some examples of physical Properties are:
Color, volume and flammability
Color, volume and reactivity
Color, volume and shape
Color, flammability and reactivity
Which layer is the least dense?
Oil
Water
Honey
Which layer is the densest?
Oil
Water
Honey
A small block has a volume of 15 mL and a mass of 30 g. What is its density?
15 g/mL
45 g/mL
0.5 g/mL
2.0 g/mL
Which property does not change from beaker A to beaker B?
density
color
boiling point
chemical composition
Dry clay and sugar have similar densities. However, two layers form when dry clay and water are mixed, whereas only one layer is observed when sugar and water are mixed. Which statement best explains why clay and water form two different layers?
Clay particles are soluble in water.
Clay particles are not soluble in water.
Clay particles are bigger than water particles
Clay and water have different densities.
Which of the following best explains why the candles can float on water?
Candles are denser than water.
Candles are as dense as water.
candles less dense than water.
Candles are soluble in water.
What unit of measurement do scientists use to measure mass?
centimeters
kilograms
picometers
pounds
Which of these is NOT considered to be a property of a substance?
atom
mass
odor
shape
Density =
mass / volume
B:B. volume / mass
mass x volume
mass
Which of these statements is true of using melting and boiling points to identify a substance?
It is an effective method to identify gas molecules.
It is the most affordable way to identify a substance.
It is a property that changes based on the amount of a substance you have.
It is a property that does not change regardless of the amount of a substance you have.
Which of these statements is true of using a solubility test to identify substances?
It is a good test to identify jewelry.
t is only used for identifying liquids.
It is a good test to identify gas substances.
It is a useful test to identify liquids that are soluble in other liquids.
What would happen if you used a solubility test to identify silver by using nitric acid?
There would be no chemical reaction.
It would change from a solid into a liquid state.
It would dissolve completely into the nitric acid.
It would break into clumps and float to the surface of the nitric acid.
Which of the following tests to identify a substance do scientists use?
density
flammability
solubility
All of the above.
What happens if you separate a mixture into all of its component pieces?
The remaining substances would dissolve.
The remaining substances would be pure alloys.
The remaining substances would be pure substances.
The remaining substances would become single molecules.
If your mass on earth is 60 Kg. Your mass on the moon is
More than 60 Kg
Less than 60 Kg
60Kg
