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WorksheetsMixtures & Solutions Investigation 1
Total questions: 25
Worksheet time: 16mins
When a gas cools down (or the energy is removed) what happens?
the particles slow down
it condenses
it turns into a liquid
all of the above
Knowing the particle size of the materials in a mixture helps you know___________________.
how much the mixture will weigh
what the crystals will look like after evaporation
whether one of the materials will dissolve
which tools to use to separate them
What mixture has all three states of matter?
cereal and milk
trail mix
a glass of ice and soda
salt water
Which of the following is a property of matter?
texture
size
volume
state of matter
all of the above
Where does the solid material go when a solution is made?
it disappears
it evaporates
*poof* it's magic
it dissolves
When a solid material dissolves in water, the solution is (a) ?
What is the best way to separate gravel from a mixture of sand, gravel, water and wood chips?
filter paper
use your hands
a mesh screen
a magnet
What tool would you use to separate flour from water in a mixture?
filter paper
a magnet
a mesh screen
a funnel
Energy is matter
True
False
A mixture is ___________________ mixed together.
two materials
two or more materials
What is the mass of a mixture that has 20g of white powder dissolved into 80mL of water?
(a)
The solid material that dissolves in a liquid is called the:
solution
solute
solvent
powder
The mass of a mixture is equal to the mass of the mixuture's separate materials.
True
False
A student dissolves 10g of salt in 90g of water. The solutions is then heated on a hot plate to speed evaporation. When the water evaporates completely, how much salt will be left?
0g
10g
90g
100g
How would you separate a solution of salt and water?
screen
filter paper
evaporation
condensation
1 gram of water = ?
(a)
Matter is anything that:
weighs something and will dissolve in water
takes up space and has mass
is solid, liquid, or gas
none of the above
Conservation of matter means:
that energy cannot be created or destroyed
to keep matter safe
that matter can never be lost or destroyed
that anything that has mass is matter
The liquid in which a solid dissolves is called:
the solvent
the solute
water
dissolving
Extracts are mixtures
True
False
When salt is mixed with water the salt (a) ?
Which of the following is an extract?
syrup
orange juice
tea
chocolate milk
When energy is added to a solid the solid turns into a liquid. This process is called (a) ?
When energy is added to materials, the particles of that material slow down.
true
false
What are some properties used to separate mixtures? Choose all that apply.
particle size
magnetism
color
density
