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Unit 1 Review Physical Properties
Test Description: Solutions, Mixtures and physical properties
Instructions: Answer all questions to get your test result.
1) Which of the following tools could be used to quickly separate a mixture of iron paperclips and sand?
A
magnet
B
microscope
C
hand lense
D
hotplate
2) What property of water changes after creating a solution of lemon juice and water?
A
Taste
B
Shape
C
Temperature
D
State of Matter
3) Which property of salt would stay the same in a mixture of salt and water?
A
Color
B
Shape
C
Taste
D
Size
4) What happens when two north poles of a magnet are placed together?
A
they repel
B
they attract
C
they cancel each other out
D
the strength of the magnet is doubled
5) What will happen when the same side of the poles of magnets are brought close together?
A
They will attract each other.
B
Both magnets will turn to the right
C
Both magnets will turn to the left
D
They will repel each other.
6) True or False: All metals stick to magnets.
A
False
B
True
7) Where is the force of attraction the strongest on a magnet?
A
below the magnet
B
in the middle
C
above the magnet
D
at the poles
8) What subject is attracted to a magnet?
A
Ice
B
Copper
C
Silver
D
Nickel
9) True or False: All metals stick to magnets.
A
True
B
False
10) Which one of the following would be best to use to separate sand from iron filings?
A
a bar magnet
B
chromatography paper
C
filter paper
D
Sieve
11) A combination of two or more substances where each keeps its own properties and both can be easily separated.
A
solution
B
substance
C
physical change
D
mixture
12) Make different without changing what the material is made of, such as cutting, folding, or melting.
A
mixture
B
solution
C
physical change
D
mass
13) A particular type of mixture where a substance dissolves in another; the molecules spread evenly through the other substance, such as in salt added to water.
A
solution
B
boiling point
C
physical change
D
mixture
14) What property of tea changes when it is mixed with sugar?
A
taste
B
state
C
color
D
shape
15) What change happens when water mixes with sugar?
A
The appearance of sugar changes.
B
The taste of sugar changes
C
The shape of water changes
D
The state of water changes
16) A mixtures is a combination of two or more____________ in which no new kinds of matter are formed.
A
leaves
B
parts
C
pebbles
D
substances
17) Making a mixture results in ___________________ only.
A
chemical reactions
B
physical changes
C
separate parts
D
two substances
18) Coffee is a
A
mixture
B
solution
19) If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?
A
Magnet
B
Filter
C
Evaporation
D
Screen
20) If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?
A
27 grams
B
20 grams
C
7 grams
D
0 grams
*select an answer for all questions
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