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Solid, Liquid or Gas
Mixing Materials
Separating Materials
Chemical Reactions
Definitions
100
This state of matter has a definite (fixed) shape and volume.
What is a solid
100
Water mixes with everything. True or False?
What is false
100
The best way to separate a mixture of sand and iron filings would be to use:
What is a magnet
100
A change in a substance that does not change its identity.
What is a physical change.
100
Mixtures that is unevenly mixed with one another.
What is heterogeneous
200
This state of matter has a definite volume but takes the shape of its container.
What is a liquid
200
Cornstarch does not dissolve in water.. what is this mixture called?
What is a suspension
200
What would be the best method to separate salt that has been dissolved in water?
What is evaporation
200
A change in which one of more substances break apart to form a new substance.
What is a chemical change.
200
when a substance is evenly dispersed in another mixture
What is dissolve.
300
This state of matter takes the shape of its container and is of low density.
What is a gas?
300
Baking powder does not dissolve in water, true or false.
What is true. Is created a suspension.
300
What would be the best method for separating popcorn kernels from sand?
What is a sieve
300
The substances that undergo change in a chemical reaction.
What is a reactant.
300
When we did our salt and water experiment, which substance was the solute and which was the solvent?
salt --- solute water --- solvent
400
Example: snow
What is a solid
400
coarse salt dissolved in water, therefore that is called a....
What is solution.
400
The best way to separate CO2 from a can of soda.
What is pop the top (open it).
400
The type of change observed in the "browning" of an apple.
What is a chemical change.
400
when one substance is mixed in with another that and it evenly dissolved through the mixtures.
What is homogeneous mixtures
500
Clouds
What is gas
500
A mixture in which all the parts are evenly dispersed:
What is homogeneous.
500
The process of pouring off the top layer without disturbing the layers or sediment below.
What is decanting
500
The law that states that during a chemical reaction, matter is neither created nor destroyed.
What is conservation of matter
500
what is a substance that cannot be separated by physical means
What is a pure substance.