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Density And Percent Error
Test Description: Quiz on Density Percent Error
Instructions: Answer all questions to get your test result.
1) Which term is best defined as a measure of the amount of space a substance occupies?
A
density
B
mass
C
volume
D
weight
2) When using a balance you are measuring the _________ of an object.
A
density
B
volume
C
mass
D
length
3) A measurement is best defined as
A
an interpretation based on theory.
B
a direct comparison with a known standard.
C
an inference made by using the human senses.
D
a group of inferred properties.
4) A student measures his latitude to be 50.0 N when it is actually 40.0 N. What is the percent error in his measurement?
A
35%
B
5%
C
10%
D
25%
5) A student determines the volume of a cubic crystal to be 8.6 cubic centimeters. What is her percent error if the correct volume of the crystal is 8.0 cubic centimeters?
A
7.5%
B
7.0%
C
6.0%
D
6.5%
6) A student determines the mass of a rock to be 196 g, but the actual mass of the rock is 200 g. The student's approximate percent error is
A
1.0%
B
4.0%
C
1.5%
D
2.0%
7) A person measures the volume of block of wood to be 50 cubic centimeters. The mass of the block is 145 g. What is the density?
A
3.5
B
2.0
C
1.5
D
2.9
8) The density of a rectangle is 5.5 g/cc, the mass is 35 g. What is the volume of the rectangle?
A
5.5
B
6.36
C
6.9
D
5.0
9) What happens to density when the temperature of an object increases?
A
it increases
B
it stays the same
C
it decreases
10) What is an density?
A
The volume of a substance with a given mass.
B
The product of length, width and height.
C
How much something weighs.
D
The mass of a substance in a given volume.
*select an answer for all questions
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