Unit 1 Review Physical Properties Question Preview (ID: 48034)
Solutions, Mixtures And Physical Properties.
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Which of the following tools could be used to quickly separate a mixture of iron paperclips and sand?
a) magnet
b) microscope
c) hotplate
d) hand lense
What property of water changes after creating a solution of lemon juice and water?
a) Shape
b) Temperature
c) Taste
d) State of Matter
Which property of salt would stay the same in a mixture of salt and water?
a) Color
b) Size
c) Shape
d) Taste
What happens when two north poles of a magnet are placed together?
a) they repel
b) they cancel each other out
c) they attract
d) the strength of the magnet is doubled
What will happen when the same side of the poles of magnets are brought close together?
a) They will attract each other.
b) They will repel each other.
c) Both magnets will turn to the left
d) Both magnets will turn to the right
True or False: All metals stick to magnets.
a) True
b) False
c)
d)
Where is the force of attraction the strongest on a magnet?
a) at the poles
b) above the magnet
c) in the middle
d) below the magnet
What subject is attracted to a magnet?
a) Silver
b) Copper
c) Nickel
d) Ice
True or False: All metals stick to magnets.
a) True
b) False
c)
d)
Which one of the following would be best to use to separate sand from iron filings?
a) chromatography paper
b) a bar magnet
c) filter paper
d) Sieve
A combination of two or more substances where each keeps its own properties and both can be easily separated.
a) substance
b) solution
c) mixture
d) physical change
Make different without changing what the material is made of, such as cutting, folding, or melting.
a) mass
b) mixture
c) solution
d) physical change
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) physical change
c) mixture
d) boiling point
What property of tea changes when it is mixed with sugar?
a) color
b) shape
c) taste
d) state
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
A mixtures is a combination of two or more____________ in which no new kinds of matter are formed.
a) parts
b) leaves
c) substances
d) pebbles
Making a mixture results in ___________________ only.
a) chemical reactions
b) physical changes
c) separate parts
d) two substances
Coffee is a
a) solution
b) mixture
c)
d)
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) Filter
b) Screen
c) Evaporation
d) Magnet
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) 20 grams
b) 27 grams
c) 7 grams
d) 0 grams
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