WorksheetsProperties of Matter
Total questions: 38
Worksheet time: 1hrs 2mins
Which of the following is not a characteristic property of matter (a property that can not change so it can be used to identify a substance).
flammability of a substance
physical change
physical property
chemical change
chemical property
state of matter at room temperature of a substance
physical change
physical property
chemical change
chemical property
freezing point
physical change
physical property
chemical change
chemical property
fragrance of a flower
physical change
physical property
chemical change
chemical property
density
physical change
physical property
chemical change
chemical property
How can we use density when trying to identify an unknown gas?
measure its density
if it is more dense, it will rise
compare its density to the density of air
How do we know that the gas that was produced by the bath bombs was MORE dense than the air in the room?
the candle's flame went out below the flask
the flame went out above the flask
the flame got larger above the flask
What happens to gases that are more dense than air?
They rise
They mix
They sink
They dissolve
Gases that make a flame bigger are known as...
flammable
non-flammable
very dense
a chemical change
We study properties so we can _______________ a substance.
smell
measure
identify
change
Students are dissolving salt in a certain volume of water. What property are they testing for?
density
melting point
mass
solubility
10. The temperature at which a solids becomes a liquid is its ____________________.
freezing point
melting point
density
solubility
Of the three unknown substances tested, two are the same substance and one is different. Which two substances do you think are the same?
Substance 1 & 2
Substance 2 & 3
Substance 1 & 3
Which of the following are accurate headings for each column?
Column A = Physical Properties; Column B = Chemical Properties
Column A = Chemical Properties; Column B = Physical Properties
Column A = Observable Properties; Column B = Non-Observable Properties
Column A = Non-Observable Properties; Column B = Observable Properties
A table comparing four metals is provided.
(See attached table)
A sample known to be one of the four listed in the table was heated to a temperature of 350oC but remained a solid. The sample was found to have a density greater than 6 g/cm3 and to be a good conductor of electricity. Burning the sample produced a blue flame. Based on this information, what is the identity of this sample?
Zinc
Lead
Tin
Iron
You are studying 3 unknown solid substances. Solid 1 and Solid 2 have the same mass, but different melting points. Solid 2 and Solid 3 have the same melting points, but different masses. What's a conclusion you could make?
Solid 2 and 3 are the same substance.
Solid 1 and 2 are the same substance.
Solid 1 and 3 are the same substance.
All of these are the same substances.
Imagine you find a container filled with copper wires. Which of these experiments will NOT help you identify the substance as copper?
Determine the melting point of copper and compare it to the melting point of other metals.
Observe the color of the copper and compare it to the color of other metals.
Observe the mass of the wires and compare it to the mass of other metals.
Perform a scratch test to determine the hardness of copper.
During Mr. Nye's science class, students were expected to identify various substances using physical properties they could easily measure. Mr. Nye gave each of the five groups a green, metal cube and asked them to identify what the cube was made of.
Matt's cube, after 5 trials, had an average density of 7.40 g/cm3 . His group's cube was made of
aluminum
gold
nickel
zinc
The task in science lab: discover which solid substance, without tasting, is sugar. Donna and Dave have five substances to test, and unfortunately, two are white! "Let's heat them!" suggested Donna.
Did Donna have a reasonable solution to their problem?
Yes, it would help narrow the search to salt or sugar.
No, all four substances have pretty low melting points.
No, it's impossible to reach these temperatures in a student lab.
Yes, sugar's melting point is much lower than the other four solids.
Students are give a sample of an unknown material. They want to perform tests to determine it identity. Which test is MOST likely to change the sample into a new substance?
Dissolving it in water
Heating it until it melts
Grinding it into a powder
Burning it in a flame
Students collect rock samples on a field trip and test them for different properties. Which of the following is a chemical property of a rocks?
Having a white color
Reacting to acid
Having a rough surface
Being easy to scratch with a piece of metal.
When 2 liquids are mixed at room temperature and a solid is formed in it, you know there was a new substance because....
gas bubbles were formed
the two liquids can not be solids at room temperature
there was a color change
heat was given off
