Physical Science Question Preview (ID: 49161)
Midterm Review.
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Hitting the bulls eye is an example of precision.
a) True
b) False
c)
d)
The melting point is the same temperature as the freezing point of a substance.
a) True
b) False
c)
d)
Fruit salad is a homogeneous mixture
a) True
b) False
c)
d)
Metals will generally gain electrons during bonding.
a) True
b) False
c)
d)
An anion is a negatively charged ion.
a) True
b) False
c)
d)
The process of gathering information through the senses is called
a) inference
b) hypothesis
c) analysis
d) observation
A factor that is manipulated in an experiment to change the dependent variable is the
a) control
b) independent variable
c) constant
d) dependent variable
The SI unit of time is the
a) second
b) kelvin
c) kilogram
d) meter
How many meters are there in 1865 meters?
a) 0.1865m
b) 1.865m
c) 18.65m
d) 186.5m
What does the atomic mass measure?
a) protons
b) neutrons
c) protons and neutrons
d) protons and electrons
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