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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
volume
B
matter
C
mass
D
density
2) Which is the best description of what happens during a chemical reaction?
A
the matter remains unchanged
B
it goes through a physical change
C
the physical appearance changes
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
mixture
C
matter
D
compound
4) What term is used to identify a mixture that has the same composition throughout?
A
solution
B
matter
C
mixture
D
compound
5) Which term names the type of matter made of just one kind of atom?
A
solid
B
element
C
compound
D
molecule
6) Which term names the smallest unit of a pure substance that has the properties of that substance?
A
compound
B
element
C
mixture
D
solution
7) Which term or phrase best describes what happens when a tomato rots?
A
new compounds are found
B
the mass changes
C
physical change
D
chemical change
8) Which statement describes a difference between liquids and solids?
A
solids take the shape of their container and liquids do not
B
solids have a definite volume and liquids do not have a definite volume
C
solids chang change temperatures easier
D
The particles in a solid are much closer together than the particles in a liquid.
9) According to the conservation of mass law, Which of these statements is true?
A
when matter boils it definitely changes mass
B
mass changes only when matter freezes
C
When matter changes state, its mass remains the same.
D
when matter changes state, it's mass also changes
10) . How does water change as it evaporates?
A
Its mass increases. Its volume remains unchanged.
B
Its mass and volume increase.
C
Its mass and volume decrease.
D
Its mass remains unchanged. Its volume increases, (or it takes up more space)
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
lots of heat
B
baking soda or bean water
C
lots of ice
D
you don't need to add anything to it
13) baking soda and vinegar is this type of reaction
A
physical
B
plain
C
chemical
D
spectacular
14) Alchemists were ancient chemists trying do what?
A
turn less valuable metals into gold
B
make pennies shiny
C
change gold into silver
D
change gold into less valuable metals
*select an answer for all questions
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