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5th/7th Grade Matter
Test Description: First test
Instructions: Answer all questions to get your test result.
1) the term for anything that has mass and takes up space
A
mass
B
volume
C
matter
D
density
2) Which is the best description of what happens during a chemical reaction?
A
the matter remains unchanged
B
the physical appearance changes
C
it goes through a physical change
D
A new substance is formed during a chemical change
3) Which term means “a combination of two or more substances that keep their identities”?
A
solution
B
matter
C
compound
D
mixture
4) What term is used to identify a mixture that has the same composition throughout?
A
compound
B
solution
C
mixture
D
matter
5) Which term names the type of matter made of just one kind of atom?
A
compound
B
molecule
C
element
D
solid
6) Which term names the smallest unit of a pure substance that has the properties of that substance?
A
element
B
mixture
C
solution
D
compound
7) Which term or phrase best describes what happens when a tomato rots?
A
physical change
B
the mass changes
C
chemical change
D
new compounds are found
8) Which statement describes a difference between liquids and solids?
A
solids chang change temperatures easier
B
The particles in a solid are much closer together than the particles in a liquid.
C
solids take the shape of their container and liquids do not
D
solids have a definite volume and liquids do not have a definite volume
9) According to the conservation of mass law, Which of these statements is true?
A
when matter changes state, it's mass also changes
B
when matter boils it definitely changes mass
C
mass changes only when matter freezes
D
When matter changes state, its mass remains the same.
10) . How does water change as it evaporates?
A
Its mass and volume increase.
B
Its mass remains unchanged. Its volume increases, (or it takes up more space)
C
Its mass and volume decrease.
D
Its mass increases. Its volume remains unchanged.
11) when we put the penny in a vinegar and salt solution which explains why the penny became shiny?
A
the salt and vinegar only took off the dirt
B
the salt and vinegar took off some of the copper and the dirt
C
the salt and vinegar took off the zinc
D
the salt and vinegar added an extra coat of copper to it
12) what could you add to an unknown liquid to see if it is an acid or not?
A
lots of ice
B
baking soda or bean water
C
you don't need to add anything to it
D
lots of heat
13) baking soda and vinegar is this type of reaction
A
spectacular
B
chemical
C
physical
D
plain
14) Alchemists were ancient chemists trying do what?
A
change gold into silver
B
change gold into less valuable metals
C
make pennies shiny
D
turn less valuable metals into gold
*select an answer for all questions
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