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WorksheetsIntroduction to Chemistry Review
Total questions: 45
Worksheet time: 33mins
Chemistry is the study of
matter
energy
living things
numbers
Which of the following safety rules is INCORRECT?
Do not start lab until all your questions are answered.
Horseplaying with your group and others is allowed
Clean your area completely after the investigation.
Return and discard supplies/waste as directed by teacher.
If you do not understand a direction or part
of a laboratory procedure, you should:
figure it out as you do the lab.
try several methods until something
works.
ask the teacher before proceeding.
skip it and go on to the next part.
You have been injured in the laboratory (cut,
burned, etc.). First you should:
visit the school nurse after class.
see a doctor after school.
tell the teacher at once.
apply first aid yourself.
Students are using heat, chemicals and glassware in a laboratory experiment. Which of these is the best method of eye protection?
Safety goggles
Contact lenses
Prescription glasses
Eye protection is not needed
Intensive properties depend on
the type of matter
the amount of matter
nothing
Extensive properties depend on
the type of matter
the amount of matter
nothing
All of the following are extensive properties EXCEPT
MASS
VOLUME
DENSITY
WEIGHT
A physical blend of 2 or more components is called a ____.
type of element
mixture
chemical reaction
physical property
The lemonade in this glass is what type of mixture?
Heterogeneous
Homogeneous
A mixture in which the composition is NOT uniform throughout is called a _____ mixture.
Heterogeneous
Homogeneous
What type of mixture is shown?
Homogeneous
Heterogeneous
What type of substance is shown?
compound
heterogeneous mixture
homogeneous mixture
element
What type of material is pictured?
Element
Compound
Homogeneous mixture
Heterogeneous mixture
A Taco is an example of a
Homogeneous Mixture
Heterogeneous Mixture
Which of the following options provides evidence of a CHEMICAL change?
Wood is burned releasing ash and smoke
Rocks separate when soil is sifted
Water turns to ice when you put it in the freezer
Salt dissolves in water
A white tablet is dropped into water. The water becomes cloudy and bubbles are produced. What type of change has occurred?
Physical change
Chemical change
No change
What kind of change occurs if matter changes in amount, size, or shape?
substance change
chemical change
physical change
elemental change
Blue color: Chemical or Physical Property
Melting point: Chemical or Physical Property
Reacts with water: Chemical or Physical Property
Boiling point: Chemical or Physical Property
