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Worksheets1st Semester Review
Total questions: 80
Worksheet time: 1hrs 20mins
Name
Class
Date
1.
Each column in the periodic table is called a
a)
period
b)
group
c)
cluster
d)
unit
2.
Which group of the periodic table is composed of inert (not reactive) gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
3.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
4.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
5.
In which region would the most reactive elements be found?
a)
1
b)
4
c)
5
d)
3
6.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
7.
The number at the bottom of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
chemical symbol
d)
element name
8.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
9.
This class of elements are sometimes called "semiconductors."
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Groups
10.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
11.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
12.
A combination of substances that are not chemically combined is called a(n)____________.
a)
mixture
b)
compound
c)
physical
13.
Which of the following formulae represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
14.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
15.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
16.
How many ATOMS are there in TOTAL in:
H2SO4
H2SO4
a)
6
b)
5
c)
7
d)
3
17.
What is H2SO4
made up of?
made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
18.
Are there any compounds on the periodic table?
a)
Yes, there are many
b)
No, because only elements are on the periodic table
c)
I think they are?
19.
Which one has more than one type of atom in it?
a)
Element
b)
Compound
20.
a)
1
b)
2
c)
3
d)
4
21.
a)
1
b)
2
c)
3
d)
4
22.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
23.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
24.
This picture represents which of the following?
a)
Element
b)
Compound
c)
Mixture
25.
What is gold?
a)
element
b)
compound
c)
mixture
26.
What is water?
a)
element
b)
compound
c)
mixture
27.
Two clear liquid chemicals are mixed and a solid substance forms, this is an example of what?
a)
Temperature change
b)
Precipitate
c)
Gas production
d)
Odor change
28.
Which type of change always produces a new substance?
a)
Physical change
b)
Chemical change
c)
Endothermic
d)
Scary
29.
Chopping a tree branch with an axe is an example of which type of change?
a)
Physical
b)
Chemical
c)
Endothermic
d)
Exothermic
30.
Which of the following atomic symbols is written correctly?
a)
ee
b)
hE
c)
C
d)
CL
31.
Cutting your fingernails is an example of this type of change?
a)
Chemical
b)
Physical
c)
Exothermic
d)
Endothermic
32.
Which of the following atomic symbols is written correctly?
a)
OH
b)
oH
c)
fe
d)
H
33.
Which of the following is a pure substance?
a)
O2
b)
Al2CO5
c)
C6H12O6
d)
SiO2
34.
Which of the following atomic symbols for bromine is written correctly?
a)
bR
b)
BR
c)
Br
d)
br
35.
Which of the following chemical formulas represents a compound?
a)
C3
b)
O2
c)
CH3CHO
d)
H2
36.
All living and once living things on Earth contain this element.
a)
Carbon
b)
Gold
c)
Chlorine
d)
Potassium
37.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
38.
Salt has a chemical formula of NaCl. Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
39.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
40.
What is the equation to solve for speed, distance or time?
a)
S=D/T
b)
S=D x T
c)
Time = Speed x Distance
d)
Time = Distance/Speed
41.
What is the net force on this object and which direction will it accelerate?
a)
15 N up
b)
15 N down
c)
30 N down
d)
0 N no acceleration
42.
What is the net force on this object and which direction will it accelerate?
a)
15 N up
b)
15 N down
c)
30 N down
d)
0 N no acceleration
43.
You are in the car with your mother and she makes a sharp right turn, but your body leans left. This is an example of which of Newton's 3 Laws?
a)
Newton's 1st Law of Inertia
b)
Newton's 2nd Law of Force, Mass and Accleration
c)
Newton's 3rd Law of Action-Reaction
d)
None of these
44.
Speeding up, slowing down or changing direction is an example of which vocabulary word?
a)
Speed
b)
Velocity
c)
Acceleration
d)
Inertia
45.
The effect an unbalanced force has on an object is______
a)
it causes the object to remain at rest.
b)
it causes the object to change velocity.
c)
it causes the object to accelerate.
d)
None of these
46.
Speed, Velocity or Acceleration?
A bird migrates south at 15 km/h.
A bird migrates south at 15 km/h.
a)
Speed
b)
Velocity
c)
Acceleration
47.
The sum total of all forces on an object describes which force and motion word?
a)
Net force
b)
Speed
c)
balanced force
d)
Unbalanced force
48.
Speed, Velocity or Acceleration?
A girl biked to the store at 9 m/s.
A girl biked to the store at 9 m/s.
a)
Speed
b)
Velocity
c)
Acceleration
49.
What is the net force acting on this object?
a)
400 N up
b)
800 N down
c)
400N down
50.
Pick the example of Newton's 1st Law of Inertia
a)
A dump truck pushed a small car off of the road.
b)
A painter stood on a ladder to paint a wall.
c)
A lady standing in a subway train leaned forward as it came to a stop at the station.
51.
Pick the example of Newton's 2nd Law of Force, Mass and Acceleration.
a)
A semi truck takes longer to accelerate at a stoplight than a small car.
b)
A semi truck accelerates faster at a stoplight than a small car.
c)
A gymnast tries to stop suddenly on a mat but tumbles forward.
d)
A circus elephant balances on a barrel.
52.
Pick the example of Newton's 3rd Law of Action-Reaction.
a)
A boy fell off of his skateboard when his front wheels hit a curb.
b)
A boy threw a stone into a lake, but his father threw it much farther and faster.
c)
A guy trying to impress his date pulled a tablecloth off of a table, but the plates stayed on the table.
d)
A swimmer pushed off of the wall of the pool during a race.
53.
This picture is an example of which law?
a)
1st Law of Inertia
b)
2nd Law of Force, Mass and Acceleration
c)
3rd Law of Action-Reaction
54.
This picture is an example of which law?
a)
1st Law of Inertia
b)
2nd Law of Force, Mass and Acceleration
c)
3rd Law of Action-Reaction
55.
This picture is an example of which law?
a)
1st law of Inertia
b)
2nd Law of Force, Mass and Acceleration
c)
3rd Law of Action-Reaction
56.
If the net force on an object is 0 newtons.......
a)
The force is balanced and the object accelerates.
b)
The force is balanced and the object either stays at rest or maintains its motion.
c)
The force is unbalanced and the object accelerates.
d)
The force is unbalanced and the objects maintains its current state of motion.
57.
If the net force on an object is greater than 0 Newtons, then.....
a)
The forces are balanced and there is no acceleration.
b)
The forces are unbalanced and there is acceleration.
c)
The forces are balanced and there is acceleration.
d)
The forces are unbalanced and there is no acceleration.
58.
If a person pulls on a turkey wishbone to the left at Thanksgiving with 3 N of force, but another person pulls the same wishbone the opposite direction with 9 N of force, what is the net force in this situation?
a)
6 N to the left
b)
6 N to the right
c)
12 N to the left
d)
12 N to the right
59.
What is the force acting upon a 20 kg rock that is sliding down a hill at 5 m/s/s?
a)
100 N
b)
100 kg
c)
4 N
d)
4 kg
60.
Calculate the mass of an object that is traveling at 10 m/s/s because of a force of 230 N.
a)
2300 lbs
b)
2300 kg
c)
23 kg
d)
23 lbs
61.
A 1000 kg truck had a force of 450 N applied to it. What is its acceleration?
a)
.45 m/s/s
b)
45 m/s/s
c)
450000 m/s/s
d)
1450 m/s/s
62.
Calculate the average speed of this object.
a)
640 m/s
b)
80 m/s
c)
8 m/s
d)
10 m/s
63.
If a trip to San Antonio took 3 hours at 75 km/h, what was your average speed?
a)
225 km/r
b)
25 km/h
c)
72 km/h
d)
25 mph
64.
What is the velocity of a plane flying from New York to Dallas at 700 km/h?
a)
700 km/h north
b)
700 km/h southeast
c)
700 km
d)
700 km/h south
65.
What is the motion of this object in the first segment of the graph?
a)
Forward, slow
b)
Forward, fast
c)
At rest
d)
Backwards
66.
What is the motion of this object in the last segment of the graph?
a)
Backwards
b)
Forwards, fast
c)
Forwards, slow
d)
at rest
67.
Pick the best description of the ostrich's speed in the last part of the speed vs. time graph
a)
speeding up
b)
slowing down
c)
At rest
d)
constant speed
68.
What is the smallest unit of an element?
a)
proton
b)
neutron
c)
electron
d)
atom
69.
Where is most of the mass of an atom located?
a)
nucleus
b)
electron cloud
70.
Name the two subatomic particles that make up the nucleus of the atom.
a)
electrons and neutrons
b)
protons and neutrons
c)
electrons and protons
d)
electrons and the orbitals
71.
Which part of the atom identifies the element?
a)
neutrons
b)
ortbital
c)
electron
d)
proton
72.
What does the A in APE MAN stand for?
a)
Atomic #
b)
Atomic Mass
c)
Atomic Mass Unit
d)
Atomic weight
73.
What is the identity of this element?
a)
oxygen
b)
neon
c)
boron
d)
carbon
74.
What is the identity of this element?
a)
Magnesium
b)
Sodium
c)
Phosphorus
d)
Carbon
75.
What do elements in a period share?
a)
# of protons
b)
similar properties
c)
# of valence electrons
d)
# of orbitals
76.
What do elements in a group share?
a)
# of protons
b)
similar properties and # of valence electrons
c)
# of orbitals
d)
atomic #
77.
Speed, Velocity or Acceleration?
A car turns left while maintaining the same speed
A car turns left while maintaining the same speed
a)
Speed
b)
Velocity
c)
Acceleration
d)
None of the above
78.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
79.
Which element is not a metal?
a)
H
b)
Re
c)
Al
d)
B
80.
True or False? Matter can be created or destroyed during a chemical change?
a)
True
b)
False
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