WorksheetsPhysical Science Semester Exam Review
Total questions: 49
Worksheet time: 25mins
Name
Class
Date
1.
Something that is changed by someone doing an experiment is called a(n)
a)
independent variable
b)
dependent variable
c)
constant (controlled variable)
d)
none of the above
2.
Something in an experiment that is kept the same in an experiment is called a(n)
a)
independent variable
b)
dependent variable
c)
constant (controlled variable)
d)
none of the above
3.
Something in an experiment that is the (outcome (what is measured) in an experiment is called a(n)
a)
independent variable
b)
dependent variable
c)
constant (controlled variable)
d)
none of the above
4.
An observation that does NOT have numbers included is called a
a)
qualitative observation
b)
quantitative observation
5.
Which measuring system do scientists around the world use when conducting experiments?
a)
Metric system
b)
Customary system
c)
English system
d)
International system
6.
Which of the following are metric base units? (choose 3)
a)
grams
b)
liters
c)
meters
d)
miles
e)
pounds
7.
What is the metric unit for volume?
a)
ounces
b)
cups
c)
liters
8.
What is the metric unit for length/distance?
a)
feet
b)
meters
c)
miles
9.
What is the metric unit for mass?
a)
grams
b)
pounds
c)
ounces
10.
Why is scientific notation used?
a)
It makes it easier to round your answers
b)
It is an international way of sharing measurements
c)
It is used for writing very small or very big numbers.
d)
It is used to convert from one unit to another.
11.
Accuracy means
a)
Getting an answer that is close to the accepted value (right answer).
b)
Being able to repeat your results.
c)
Making measurements with the correct tool.
d)
None of the above
12.
Precision means
a)
Getting an answer that is close to the accepted value (right answer).
b)
Being able to repeat your results.
c)
Making measurements with the correct tool.
d)
None of the above
13.
Which state has molecules that can change position easily and slide past each other, but not are moving as freely as the above question?
a)
Solid
b)
Liquid
c)
Gas
d)
None of the above
14.
Which state has molecules that are far apart and moving freely
a)
Solid
b)
Liquid
c)
Gas
d)
None of the above
15.
Which state has molecules that move but can only vibrate in place.
a)
Solid
b)
Liquid
c)
Gas
d)
None of the above
16.
At higher temperatures
a)
particles in an object have less energy
b)
a gas contracts
c)
particles in an object move faster
d)
particles form new molecules
17.
A phase change is a
a)
physical change
b)
chemical change
18.
When kinetic energy is lost, this state freezes into a solid and the molecules slow down.
a)
Solid
b)
Liquid
c)
Gas
19.
When kinetic energy is lost, this state condenses into a liquid and the molecules slow down.
a)
Solid
b)
Liquid
c)
Gas
20.
In order to change state it requires a substance to gain or lose energy.
a)
True
b)
False
21.
Boiling is a change of state from a
a)
Gas to a liquid
b)
Liquid to a gas
c)
Solid to a liquid
d)
Gas to a sold
22.
Which of the following are located in the nucleus of an atom?
a)
Protons
b)
Electrons
c)
protons and neutrons
d)
protons, neutrons, and electrons
23.
Bohr's model of the atom says that electrons move around an atom in a similar way to
a)
whales migrating in the ocean
b)
planets orbiting the sun
c)
clouds forming in the atmosphere
d)
none of the above
24.
According to our modern model of the atom, how are electrons arranged?
a)
Randomly
b)
In energy levels
c)
In circular orbits
d)
In groups of 5
25.
Atoms that have the same number of protons but different numbers of neutrons would be called
a)
Different elements
b)
Ions
c)
Isotopes
26.
Atoms that have the same number of protons but different numbers of electrons would be called
a)
Different elements
b)
Ions
c)
Isotopes
27.
Atoms that have the same number of neutrons but different numbers of protons would be called
a)
Different elements
b)
Ions
c)
Isotopes
28.
Which particle of an atom determines what element it is?
a)
Proton
b)
Neutron
c)
Electron
d)
It depends
29.
True or False: The model of the atom has always been the same.
a)
True
b)
False
30.
Carbon's atomic number is 6. How many protons does Carbon have?
a)
0
b)
6
c)
5
d)
12
31.
A column on the periodic table is called a
a)
Period
b)
Group
c)
Metal
d)
Block
32.
A row the periodic table is called a
a)
Period
b)
Group
c)
Metal
d)
Block
33.
In the modern periodic table, elements are arranged by increasing number of protons
a)
True
b)
False
34.
Properties of elements repeat in a predictable way when atomic numbers are used to arrange elements into groups. This pattern of repeating properties is called
a)
The law of gravity
b)
The law of conservation
c)
The periodic law
d)
The law of repetition
35.
What does "a" represent?
a)
atomic number
b)
element symbol
c)
element name
d)
atomic mass (amu)
36.
What does "b" represent?
a)
atomic number
b)
element symbol
c)
element name
d)
atomic mass (amu)
37.
What does "c" represent?
a)
atomic number
b)
element symbol
c)
element name
d)
atomic mass (amu)
38.
What does "d" represent?
a)
atomic number
b)
element symbol
c)
element name
d)
atomic mass (amu)
39.
If you see a notation like chlorine-37, what does the "37" represent?
a)
mass number
b)
atomic number
c)
number of neutrons
d)
an identification number
40.
Pick the 3 major categories that elements are grouped into on the periodic table
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Representative elements
41.
What name is given to the elements in group 1 of the periodic table?
a)
Alkali metals
b)
Alkaline earth metals
c)
Transition metals
d)
Halogens
e)
Noble gases
42.
What name is given to the elements in group 2 of the periodic table?
a)
Alkali metals
b)
Alkaline earth metals
c)
Transition metals
d)
Halogens
e)
Noble gases
43.
What name is given to the elements in group 17 of the periodic table?
a)
Alkali metals
b)
Alkaline earth metals
c)
Transition metals
d)
Halogens
e)
Noble gases
44.
What name is given to the elements in group 18 of the periodic table?
a)
Alkali metals
b)
Alkaline earth metals
c)
Transition metals
d)
Halogens
e)
Noble gases
45.
What name is given to the elements in the large block in the middle of the periodic table?
a)
Alkali metals
b)
Alkaline earth metals
c)
Transition metals
d)
Halogens
e)
Noble gases
46.
Which group has metals that are VERY reactive?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gas
47.
Which group has metals that are often found in rocks and minerals in the earth?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gas
48.
Which group has nonmetals that are VERY reactive?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gas
49.
Which group has nonmetals that are VERY unreactive?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gas
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