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Vocabulary
Solutions
Separating Mixtures
Fill in the Blank
True or False
100
Everything is made of this
What is matter
100
What are two methods to separate a solution of a solid and liquid?
What is filtration and evaporation
100
What can you use to separate a mixture of sawdust and nails?
What is a magnet
100
Red litmus paper is (what color) ____________ when in a base
What is blue
100
Blue litmus paper stays blue in the presence of a base
What is true
200
A combination of 2 or more solids that can be physically separated.
What is a mixture
200
When no more solvent will dissolve in a solution, what do we call that solution?
What is saturated.
200
What are the four methods used to separate mixtures?
What is water, air, sieve, magent
200
A _________ will change shape to fit whatever container it is in.
What is liquid
200
The three main states of matter are solid, liquid and gas
What is true
300
The substance that dissolves in another
What is solvent
300
What materials are needed to perform a filtration?
What is funnel, filter paper, beaker, solution
300
When kernels and oatmeal are successfully separated using air, what type of change is this?
What is reversible change
300
__________________ and __________ combine to make carbon dioxide.
What is vinegar and baking soda
300
If you burn something, the change is reversible
What is false
400
A milky solution
What is a suspension
400
Which method of separating solutions causes a salt crystal to form?
What is evaporation.
400
When a chemical reaction occurs, is this change reversible or irreversible?
What is irreversible, a mixture that has a chemical reaction cannot be reversed.
400
If you do not have litmus paper, you can use ______________ to test if something is an acid or base.
What is cabbage juice
400
Decanting is when you pour one liquid down the drain in order to separate liquids.
What is true
500
A liquid with a pH of 14
What is a base
500
If you have a solution of only liquids, how can it be separated?
What is they will separate according to density, the less dense liquid can be removed with an eye-dropper
500
What four things indicate a chemical reaction?
What is odor, change in temperature, change in color, and gas production
500
The _____________________ in water allow the molecules to have a super strong bond.
What is cohesive forces
500
The denser liquid will float to the top when liquids are combined.
What is false