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7th/5th Sci, Structure Of Matter
Test Description: Matter, structure and properties
Instructions: Answer all questions to get your test result.
1) This is the chemical symbol for sugar
A
NaCl
B
S
C
H2O
D
C6H12O6
2) Which action involving an egg is a physical change?
A
boiling it
B
baking it
C
frying it
D
cracking it
3) this is the definition of matter
A
anything that has a volume
B
anything that has mass and takes up space
C
anything that takes up space
D
anything that has a color
4) In a solid the molecules are
A
does not have a definite shape or volume
B
are very loosely packed and move around to take the shape of the container
C
are loosely packed and slip past one another to fill the container it is in
D
well packed and vibrate back and forth
5) In a liquid molecules are
A
are loosely packed and slip past one another to fill the container it is in
B
made up
C
well packed and vibrate back and forth
D
so far apart that it is impossible to measure the volume
6) the periodic table contains symbols that represent the
A
elements
B
compounds
C
famous scientists
D
mixtures
7) The difference between a compound and an element is
A
elements are magical powers that are gained through fire earth and wind
B
compounds are only H2O and elements are everything else
C
compounds are multiple elements bonded together and elements are pure
D
compounds are singular and elements are several compounds bonded together
8) the molecules in a gas are
A
created by cooling matter down to freezing point
B
loosely packed that they slip past one another
C
packed so tight that they have a definite shape and only vibrate back and forth but do not move
D
spread far apart so it doesn't have a definite volume or shape
9) in order to change matter from a liquid to a gas you need to
A
add heat until it evaporates
B
cool it down until it freezes
C
do nothing you can not make liquid into a gas
D
give it to your older bro. he can make anything into gas
10) this is the number of protons in an atom
A
always the same as the electrons
B
the atomic mass
C
the atomic number
D
is always an even number
11) letters that represent different elements on the periodic table are known as
A
chemical symbols
B
periodic symbols
C
element symbols
D
compounds
12) amount of space that an object occupies
A
mass
B
density
C
volume
D
weight
13) amount of mass in a given amount of space (volume)
A
mass
B
density
C
volume
D
weight
14) the force of gravity that pulls on an object
A
volume
B
mass
C
matter
D
weight
15) smallest particles that make up elements
A
matter
B
atomic number
C
atoms
D
compounds
16) a change that does not require a change in the molecules, such as a change in shape, size or state
A
chemical
B
burning
C
physical
D
cooking
17) This is NOT one of the three common states of matter
A
element
B
atomic number
C
matter
D
compound
18) A combination of 2 or more elements
A
liquid
B
compound
C
gas
D
solid
19) A chart that lists the pure substances found in the natural world is usually arranged according to atomic mass
A
compounds
B
periodic table
C
matter chart
D
elemental table
20) This is the chemical symbol for hydrogen
A
He
B
H
C
Mg
D
Na
*select an answer for all questions
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