WorksheetsFall Semester Review
Total questions: 45
Worksheet time: 38mins
Name
Class
Date
1.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
2.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
3.
Milk turns sour. This is what kind of change?
a)
Chemical change
b)
Physical change
c)
Physical Property
d)
Chemical Property
4.
Which group of elements contains the most reactive metals?
a)
group 1
b)
group 2
c)
noble gases
d)
transition elements
5.
Which is NOT a clue that a chemical change has occurred?
a)
change in state of matter
b)
gas release
c)
energy release (heat, light)
d)
formation of a precipitate
6.
Elements that are malleable and ductile are called ____________.
a)
Metalloids
b)
Metals
c)
Non-metals
7.
Which is an example of a chemical change?
a)
melting ice to make water
b)
baking cake batter to make a cake
c)
putting cheese on bread to make a cheese sandwich
d)
cutting an orange into slices for a snack
8.
In the following equation, what are the reactants?
CaO + 3 C → CaC2 + CO
CaO + 3 C → CaC2 + CO
a)
CaO + 3 C
b)
CaC2 + CO
c)
3 C → CaC2
d)
the stuff on the outside
9.
30 g of NaCl was broken into 20 g of Na and some Cl2. How much Cl2 was produced?
a)
10 g
b)
20 g
c)
30 g
d)
2 g
10.
How many elements are found in the following molecule? Mg(ClO3)2
a)
1
b)
4
c)
3
d)
5
11.
Which one is a compound?
a)
Co
b)
Br
c)
Fe
d)
CO
12.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
13.
How many neutrons are in the atom "K"?
a)
7
b)
2
c)
39
d)
20
14.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
15.
The atomic number of an element is the total number of which particles in the nucleus?
a)
neutrons
b)
protons
c)
electrons
d)
protons and electrons
16.
What is the charge of an atom that has 6 protons and 7 electrons?
a)
+1
b)
-1
c)
-13
d)
+13
17.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
18.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
19.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
20.
Elements along the stair-step line of the periodic table are ______________.
a)
metals
b)
metalloids
c)
liquids
d)
radioactive
21.
What atom is chemically similar to Mg? Look at your periodic table.
a)
Berylium
b)
Sodium
c)
Aluminum
d)
None of these
22.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
23.
Objects tendency to resist change
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
24.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
25.
Turning a corner on a motorcycle demonstrates which one of the following?
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
26.
The Gulf stream carries _____________ water from the east coast of The United States to the West coast of Europe.
a)
Cold
b)
Warm
c)
Freezing
d)
Fresh
27.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
28.
Ocean currents have an affect on which two things
a)
climate and weather
b)
temperature and density
c)
land and sea
d)
equator and poles
29.
True or False: The sun is the major source of energy that powers surface currents.
a)
True
b)
False
30.
The Gulf stream carries _____________ water from the east coast of The United States to the West coast of Europe.
a)
Cold
b)
Warm
c)
Freezing
d)
Fresh
31.
Based on the picture, what type of air pressure is present?
a)
Warm pressure
b)
Cold pressure
c)
High pressure
d)
Low pressure
32.
What kind of weather happens during a cold front?
a)
Light rain or light snow
b)
Thunderstorms or heavy snow
c)
Clear skies, temp. warms
d)
Clear skies, temp. cools
33.
Which front is this?
a)
Warm front
b)
Cold front
c)
Occluded front
d)
Stationary front
34.
Which front is this?
a)
Warm front
b)
Cold front
c)
Occluded front
d)
Stationary Front
35.
What is the speed of a car that travels 400 m in 20 minutes?
a)
20 miles/hr
b)
20 m/min
c)
800 m/min
d)
200 miles/hr
36.
What is the equation to calculate speed?
a)
speed = distance/time
b)
speed = time/distance
c)
speed = time x distance
d)
speed = speed/time
37.
Mr. Rudman speed walked 2 miles in 10 minutes, what is his speed?
a)
0.2 miles/min
b)
2 miles/min
c)
20 miles/min
d)
40 miles/min
38.
A 10 kg object is accelerated upward at 2 m/s2. What force is required?
a)
20 N
b)
2 N
c)
5 N
d)
0 N
39.
A 20 kg bike accelerates at 10 m/s2. What was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
40.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
41.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
42.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
43.
What is happening at C?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
44.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia
b)
The Law of Acceleration
c)
The Law of Conservation of Momentum
45.
A soccer ball accelerates more than a bowling ball when thrown with the same force.
a)
Law of Inertia
b)
Law of Acceleration
c)
Law of Conservation of Momentum
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