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WorksheetsUnit 1 (Classification of Matter) Review
Total questions: 21
Worksheet time: 16mins
All of the following are examples of matter except
water vapor
heat
smoke
air
Which particle diagram can be classified as a compound?
A substance is examined under a high power electron microscope. The substance is found to contain only one type of atom. What is this substance?
compound
element
mixture
solution
If you change a substance into a new substance, it is considered a
Partial Change
Physical Change
Chemical Change
Phase Change
What type of change is this?
Chemical Change
Physical Change
Which of the following is an element?
Glucose (C6H12O6)
Salt (NaCl)
Water (H2O)
Oxygen (O2)
A _______________ is when the parts of the mixture are evenly mixed and you can't see the different parts.
Salt will dissolve in water to form a homogeneous mixture.
True
False
What type of mixture is this?
homogenous mixture
solution
heterogeneous mixture
mixture of elements
Which statement is true about compounds?
a pure substance where two or more elements are chemically combined
a homogenous mixture of 2 or more elements
a pure substance containing only one type of atom
a heterogeneous mixture of 2 or more elements chemically combined
How can you separate a mixture of saltwater into solid salt and water vapor?
saltwater cannot be separated
put a chemical in it
Heat the saltwater to vaporize the water away from the salt
Freeze the saltwater
