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WorksheetsMr. Lowe-Mixtures and Pure Substances QOU
Total questions: 20
Worksheet time: 15mins
A mixture is a type of matter in which parts are...
separate and different
mixed together
When mixtures are combined they keep their own identities.
True
False
Which type of mixture has the parts that are easy to see and recognize?
Heterogeneous Mixtures
Homogeneous Mixtures
In a Homogeneous Mixtures the parts are...
(Choose all that Apply)
easy to see and identify
mixed together very well
too small for our eyes to see individually
easily separated
An Example of a Heterogeneous Mixture would be...
(Choose all that apply)
Pizza
Salt Water
Soil
Salads
An Example of a Homogeneous Mixture would be...
(Choose all that apply)
Steel
Lemonade
Nuts and Bolts
Earth's Atmosphere
A solution is a type of a ____________________ Mixture
Heterogeneous
Homogeneous
Many solutions are made by _____________ something into a liquid. (Choose the BEST response, only)
mixing
stirring
dissolving
adding
Dissolving is a______________ change.
Chemical
Physical
When a solid is dissolved into a liquid it seems to...
float
change the color of the liquid
disappear
Which of the following can speed up the dissolving a solid into a liquid? (Choose all that apply)
Increasing the temperature of the liquid
Making the particle sizes smaller
Lowering the temperature of the liquid
Stirring Vigorously
In a mixture we _____ the parts.
can
cannot
A ____________ is a material with a definite chemical composition.
mixture
solution
pure substance
Compounds are...
Pure Substances
Mixtures
Solutions
In a compound the original substances...
maintain their unique identities
often change their original properties
Which of these are a compound? (Choose all that apply)
Pure Water
Table Salt
Sea Water
Carbon Dioxide
A suspension is a liquid that has _______ particles floating in it.
liquid
gas
solid
Choose all that are Colloids
Milk
Soda
Paint
Fog
Choose all that are Suspensions:
Breakfast Cereal
Sand Castles
Salad Dressings
Pure Water
Choose all that are Solutions
Cola
Steel
Sugar Water
Carbon Monoxide
