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WorksheetsPSI Semester 1 Final Exam Review (FULL)
Total questions: 67
Worksheet time: 2hrs 41mins
Which of the following are in order from smallest to largest?
milligram, gram, centigram, kilogram
milligram, centigram, gram, kilogram
centigram, milligram, gram, kilogram
gram, milligram, centigram, kilogram
How many centimeters are there in a stick 4 meters long?
.4 cm
40 cm
400 cm
4000 cm
What is the measurement .082 L when written ______ cL and when written in _______mL
.0082 cL and .082mL
8200 cL 820 mL
.82 cL and 8.2mL
8.2 cL and 82mL
How many meters are there in 550 mm?
5.5 m
.55m
5500m
55 m
Which of these masses is the greatest?
921 mg
921 cg
9.21 kg
9210 dg
How many seconds are there in 2 days?
20,937 seconds
172,800 seconds
2880 seconds
283,00 seconds
The United States Olympic swim team is planning on swimming a 3 k race to prepare for competition. How long is this race in miles?
2.1 mi
1.875 mi
18.75 mi
8.75 mi
How many centimeters are in 285 inches?
309 cm
112.2 cm
732 cm
711 cm
How many feet are there in 1300 cm?
12.03 ft
32.98 ft
8.92 ft
42.65 ft
How many years are there in 43,154 minutes?
1.92 years
3.32 years
.084 years
2.1 years
In .9 hours, the driver of a car traveled 109 km. What was the driver's average speed?
981 m/s
34.3 mi/h
12.11 km/h
122.93 km/h
What is the speed of a cheetah that is running if it travels 30 meters in 11 second?
19 m/s
61 mi/h
32 m/s
2.27 m/s
If an automobile travels 60 m/s for 3 minutes, how far has the car traveled?
1080 meters
9837 meters
827 meters
735 meters
Calculate the speed of the motorcycle in the graph.
.5 m/s
.75 m/s
1 m/s
2 m/s
What is the time when the motorcycle is a position of 2.5 meters?
4 s
2s
3.5 s
3 s
Which direction is the motorcycle moving?
Forward
Backward
Up
Down
How long does it take the car to go from 1 meter to 3 meters?
4 seconds
2 seconds
1 second
3 seconds
What would it mean for a position vs time graph to have a negative slope?
The car is moving forward.
The car is moving backward
The car is slowing down
The car is not moving
What would it mean for a position vs time graph to have a zero slope?
The car is moving forward.
The car is moving backward.
The car is slowing down.
The car is not moving.
Mr. Bean comes to a sudden stop after hitting a skunk. He slows from 9 m/s to 0 m/s in 1.5 seconds. What is his acceleration?
0.17 m/s 2
-0.17 m/s 2
6 m/s 2
-6 m/s 2
Ms. Kase's car is initially traveling at 7.0 m/s when she realizes that she's running late for school. She quickly (in 2.0 s) changes the velocity to 12.0 m/s. What is Ms. Kase's acceleration?
0.4 m/s 2
2.5 m/s 2
-2.5 m/s 2
20 m/s
Ms. La Porte decides to be brave and go skydiving. If she accelerates at 9.8 m/s2 for 4.9 s, what would her speed be at that time?
2.0 m/s
9.8 m/s
48 m/s
96.0 m/s
Mr. Wason’s student wouldn’t stop playing games on his chromebook, so Mr. Wason threw the chromebook across the room. The chromebook accelerated at 4.6 m/s2. How long would it take for the chromebook to reach 9.3 m/s?
0.49 s
2.02 s
13.9 s
198.9 s
Mr. Rink’s Vespa is going 20 m/s when he enters a highway. He then accelerates for 8 seconds at a rate of 5 m/s2. What is his final velocity?
20 m/s
33 m/s
40 m/s
60 m/s
When solving for acceleration, what do the signs (+/ -) indicate? MARK ALL THAT APPLY!
Acceleration or deceleration
Speeding up or slowing down
The direction of the acceleration
Moving forwards or backwards
Where on the above graph is the car speeding up? MARK ALL THAT APPLY!
A
B
C
None of the above
Where on the above graph is the car slowing down? MARK ALL THAT APPLY!
A
B
C
None of the above
Where on the above graph is the car going a constant speed (cruise control)? MARK ALL THAT APPLY!
A
B
C
None of the above
Where on the above graph is the car changing speed? MARK ALL THAT APPLY!
A
B
C
None of the above
Do any of the diagrams above represent atoms of the same element?
Yes, Atom A and Atom B are the same element.
Yes, Atom A and Atom C are the same element.
Yes, all of the atoms are the same element.
No, they are all different elements.
A neutral potassium atom has 19 protons. Which of the following statements is also true?
Its number of neutrons is 19.
Its mass number is 19.
It has 19 electrons.
All of the above are true.
An isotope of fluorine has 9 protons, 10 neutrons, and 9 electrons. What is this isotope’s mass number? 9
9
18
19
28
An atom that has gained extra electrons is a:
negative ion
negative isotope
positive ion
positive isotope
A form of iron has 26 protons, 30 neutrons, and 24 electrons. What is the charge on this particle?
2+
2-
4+
4-
The periodic table notation for nitrogen (N) is shown above. What does the number 7 tell you? MARK ALL THAT APPLY (3)!
the number of protons
the number of electrons
the atomic number
the mass number
Elements in the same column of the periodic table have similar chemical reactivity because:
They contain similar number of neutrons.
They have the same number of valence electrons.
Atoms prefer to have a completely full or completely empty energy level.
They have similar numbers of isotopes.
How many valence electrons does an atom of chlorine have?
2 valence electrons
3 valence electron
7 valence electrons
17 valence electron
How many valence electrons does the element helium have?
2
18
36
83
Based on oxygen’s position on the periodic table, what charge would it have when it becomes an ion?
2+
2-
6-
16-
Which of the following statements regarding ionic bonds is TRUE? MARK ALL THAT APPLY! (3)
These bonds involve a positive ion (cation) and a negative ion (anion).
These bonds typically involve a 2 metals.
These bonds involve a transfer of electrons.
NaCl (sodium chloride) is an example of a compound with an ionic bond.
Which of the following statements regarding covalent bonds is TRUE?
These bonds typically involve two metals and one nonmetal.
These bonds can ONLY form between atoms of the SAME element.
These bonds involve the sharing of electrons.
KF2 (potassium fluoride) is an example of a compound with a covalent bond.
What do the “dots” on a dot diagram represent?
Total number of protons
Total number of electrons
Valence electrons
Overall charge
Which of the following pairs of elements would have the same number of valence electrons? MARK ALL THAT APPLY! (2)
Na and K
P and S
Al and Ge
S and O
Which of the following statements is/are true? MARK ALL THAT APPLY! (3)
When metals form ions, they are positively charged.
Non-metals do not form ions.
Ionic compounds are formed when a metal bonds to a non-metal.
Covalent compounds are formed when a non-metal bonds to a non-metal.
What is the chemical formula for a compound that contains the aluminum ion Al3+ and the sulfate ion (SO4)2-?
Al2(SO4)3
Al3(SO4)2
AlSO4
Al2SO12
What is the chemical formula for a compound that contains the calcium ion Ca2+ and the chloride ion Cl1-?
CaCl
CaCl2
Ca2Cl
CaCl1+
Which of the following is/are examples of chemical changes? MARK ALL THAT APPLY! (2)
breaking a pencil in half
burning wood
melting ice
frying an egg
Which of the following is/are examples of physical changes? MARK ALL THAT APPLY! (3)
baking a cake
boiling water
crushing a pop can
blue ink mixed with yellow ink makes green ink
Put the following in order from smallest solute particles to largest.
Solution, suspension, colloid
Suspension, solution, colloid
Colloid, suspension, solution
Solution, colloid, suspension
When salt is added to water, salt is the __________ and water is the __________.
solvent, solute
solute, solvent
solution, solute
solvent, solution
Which of the following is an example of a solution?
Milk
Muddy water
Carbonated water
Mayonnaise
Which of the following are true of acids? MARK ALL THAT APPLY! (2)
They have a pH less than 7.
They produce hydronium ions when dissolved in water.
Examples include soap and drain cleaner
They taste bitter.
Which of the following is true of bases?
They have a pH greater than 7.
They donate hydrogen ions.
Examples include vinegar and lemon juice
They taste sweet.
Which of these substances is closest to neutral on the pH scale?
Battery acid, pH 1.0
Tomato juice, pH 4.5
Human blood, pH 7.4
Baking soda, pH 9.0
At 80 degrees Celsius, how much KNO3 can be dissolved?
50 g
80 g
95 g
170 g
What temperature do you need to dissolve 100 g of KBr?
55 degrees Celsius
95 degrees Celsius
105 degrees Celsius
240 degrees Celsius
If you have 20 g of NaCl in a 100 degrees Celsius solution, which type of solution is it?
Saturated
Supersaturated
Unsaturated
Impossible to tell
Bromine-82 is used as a tracer for organic material in environmental studies. Its half-life is 36 hours. If 20 grams of Br-82 are introduced in an experiment, how long will it take for there to be 5 grams of Br-82 remaining?
15 hours
18 hours
36 hours
72 hours
The following equation is an example of which type of decay?
23892U → 23490Th + 42He
alpha
beta
gamma
delta
Which element radioactively decayed to leave this: 21082Pb + 42He ?
20680Hg
21484Po
21081Tl
21083Bi
Which of the following choices lists the radioactive emissions in order from least to most penetrating?
alpha, gamma, beta
beta, gamma, alpha
gamma, beta, alpha
alpha, beta, gamma
Which type of nuclear reaction takes place at a nuclear power plant?
fission
combustion
fusion
gamma decay
Which type of nuclear reaction takes place inside the Sun?
fission
combustion
fusion
gamma decay
Carbon-14 has a half-life of 5,730 years. If you started with a 64 g sample, how much would be left of the carbon-14 after 4 half-lives?
4 g
8 g
256 g
1,432.5 g
What is the correct name for the following isotope?
Uranium
Uranium-92
Uranium-146
Uranium-238
How many neutrons would the following isotope have?
53
78
131
184
If 23191Pa undergoes beta decay, what isotope is formed?
23192U
23190Th
22789Ac
23091Pa
