WorksheetsHey! What's the matter? - Mrs. G
Total questions: 18
Worksheet time: 5hrs 30mins
Name
Class
Date
1.
A chemist is studying the composition of gasoline. Which type of chemistry is most likely being used?
a)
biochemistry
b)
analytical chemistry
c)
physical chemistry
d)
alchemy
2.
Which type of matter has a fixed volume, but no fixed shape?
a)
liquid
b)
solid
c)
plasma
d)
gas
3.
Which type of matter has a fixed volume, but no fixed shape?
a)
liquid
b)
solid
c)
plasma
d)
gas
4.
For liquid water to be made into ice, energy must be:
a)
added
b)
removed
5.
Which type of change results in a new substance being made?
a)
chemical
b)
physical
6.
Rust forming on metal is an example of what type of change?
a)
chemical
b)
physical
7.
Which of the following are signs that a chemical change has taken place?
a)
bubbling
b)
color change
c)
precipitate forms
d)
all of the above
8.
Crushing tablets is what type of change?
a)
physical
b)
chemical
9.
Melting ice represents what type of change?
a)
chemical
b)
physical
10.
What type of physical process is condensation?
a)
endothermic
b)
exothermic
11.
A burned marshmallow represents what type of change?
a)
chemical
b)
physical
12.
Photosynthesis is what type of reaction?
a)
Endothermic
b)
Exothermic
13.
The explosion of fireworks represents what type of reaction?
a)
endothermic
b)
exothermic
14.
A substance composed of two or more elements that are chemically bonded in a definite, fixed ratio by mass is called:
a)
compound
b)
mixture
c)
ion
d)
atom
15.
Which is an example of a pure substance?
a)
Water (H20)
b)
helium
c)
Ammonia (NH3)
d)
All of the above
16.
Air is what type of mixture?
a)
homogeneous
b)
heterogeneous
17.
Black coffee is an example of which type of mixture?
a)
heterogeneous
b)
homogeneous
18.
In paper chromatography, the stationary phase is the:
a)
paper
b)
solvent
c)
mixture
100 %
