Unit 1 Heat & Energy Quiz CP C 2022
Name:
1.
Date:
This is a potential energy diagram.
5.
What can be concluded from the potential energy
diagram?
2.
3.
4.
A.
The reaction produced a covalent compound.
B.
The reaction was exothermic.
C.
The reaction was endothermic.
The accompanying diagram represents a portion of
a 100-milliliter graduated cylinder.
What is the reading of the meniscus?
A.
6.
35.0 mL
B.
36.0 mL
C.
45.0 mL
The forward reaction is best described as an
An earthworm has a length of 12.8 centimeters.
What is the length, in millimeters, of the
earthworm?
A.
0.128 millimeter
C.
128 millimeters
B.
1.28 millimeters
A pot of cold water was heated on a stove until
the water boiled. Which of the following best
explains why the water was able to boil?
A.
The cold water absorbed heat from the pot.
B.
The hot stove gave o heat to the surrounding
air.
C.
The cold water gave o
surrounding air.
cold to the
The length of a string is 85 centimeters. Expressed
in meters, this length is
A.
0.085 m
B.
0.85 m
C.
85 m
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A.
exothermic reaction in which energy is
absorbed
B.
endothermic reaction in which energy is
released
C.
endothermic reaction in which energy is
absorbed
7.
8.
9.
A student touches a metal sink with her nger and
notices that her nger feels cold. Which of the
following statements explains this observation?
A.
Heat energy ows from the student's nger to
the metal sink.
B.
The student's nger was originally at the
same temperature as the sink.
C.
The student's nger was originally at a lower
temperature than the sink.
A.
Cold ows from the ice to the drink.
B.
Heat ows from the ice to the drink.
C.
Heat ows from the drink to the ice.
12.
The joule is a unit of
energy
B.
pressure
C.
A solid object at 30 C is placed inside a container
of liquid at 60 C.
What most likely will be observed?
How does ice cool a warm drink?
A.
10.
11.
volume
A.
The temperature of the liquid will remain the
same.
B.
The temperature of the solid object will
decrease.
C.
The temperature of the solid object will
increase.
The pictures below show pairs of metal blocks
and their temperatures. Which of these correctly
shows the direction that heat energy will move?
A.
According to the potential energy diagram shown,
the chemical reaction in the forward direction is
B.
C.
A.
exothermic because it absorbs energy
B.
endothermic because it absorbs energy
C.
endothermic because it releases energy
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Unit 1 Heat & Energy Quiz CP C 2022