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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
density
B
volume
C
mass
D
matter
2) Which is the best description of what happens during a chemical reaction?
A
the matter remains unchanged
B
A new substance is formed during a chemical change
C
the physical appearance changes
D
it goes through a physical 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
matter
B
compound
C
solution
D
mixture
5) Which term names the type of matter made of just one kind of atom?
A
element
B
solid
C
compound
D
molecule
6) Which term names the smallest unit of a pure substance that has the properties of that substance?
A
solution
B
compound
C
mixture
D
element
7) Which term or phrase best describes what happens when a tomato rots?
A
new compounds are found
B
physical change
C
chemical change
D
the mass changes
8) Which statement describes a difference between liquids and solids?
A
solids chang change temperatures easier
B
solids take the shape of their container and liquids do not
C
The particles in a solid are much closer together than the particles in a liquid.
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 boils it definitely changes mass
B
when matter changes state, it's mass also changes
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 remains unchanged. Its volume increases, (or it takes up more space)
B
Its mass and volume increase.
C
Its mass increases. Its volume remains unchanged.
D
Its mass and volume decrease.
11) when we put the penny in a vinegar and salt solution which explains why the penny became shiny?
A
the salt and vinegar added an extra coat of copper to it
B
the salt and vinegar took off some of the copper and the dirt
C
the salt and vinegar only took off the dirt
D
the salt and vinegar took off the zinc
12) what could you add to an unknown liquid to see if it is an acid or not?
A
baking soda or bean water
B
lots of heat
C
you don't need to add anything to it
D
lots of ice
13) baking soda and vinegar is this type of reaction
A
spectacular
B
plain
C
chemical
D
physical
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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