WorksheetsFinal part 2
Total questions: 40
Worksheet time: 3hrs 20mins
An atom of an element has 36 protons, 36 electrons, and a mass number of 84? How many neutrons?
36
72
48
8
Atoms of a certain element have 11 protons and 1 valence electron. Which statement is correct?
the element is sodium and it is not reactive
the element is fluorine and it is highly reactive
the element is fluorine and it is not reactive
the element is sodium and it is highly reactive
Which two elements are in the same period?
F and Cl
Sn and Rb
K and Ba
Se and Te
1 1 How many valence electrons are in an atom of each element in Group 15 in the periodic table?
05
06
15
16
Which of the following is not a physical property of matter?
solubility
density
conductivity
flammability
(NH4)2CO3
How many atoms of Hydrogen are found in this molecule?
A motorcycle traveling 35 mi/hr slows as it approaches a stop sign. This is an example of ?
Acceleration
Speed
Velocity
Velocity
In the picture above two students are playing tug of war. Each team is pulling in the opposite direction, but both teams are moving in the same direction. Which of the following best describes the forces in this situation?
The forces are balanced and the net force is zero.
The forces are balanced and Team A is exerting a greater force.
The forces are unbalanced and Team A's force is greater.
The forces are unbalanced and Team B's force is greater.
A bike racer travels 17 mi/hr in a southerly direction. This is an example of...
Distance
Speed
Velocity
Acceleration
When the air is released from a balloon, the air moves out of one end of the balloon and moves in the other direction. Which statement does this situation best illustrate?
What goes up must come down
For every action there is an equal and opposite reaction
The shape and size of an object affect air resistance.
The acceleration due to Earth's gravity is 9.8 m/s2
Which graph best represents a car traveling down the freeway at a constant speed.
What is the average speed of animal A during the race?
1 m/s
5 m/s
16 m/s
32 m/s
A spring scale is used to pull each of the four objects. Based on the information provided, which object experiences the greatest acceleration when pulled with 8N of force?
Object R
Object S
Object T
Object U
A marble is given potential energy by being placed at Location W. When the marble is released, it rolls down the track.
At which location does the marble have maximum kinetic energy?
Location W
Location X
Location Y
Location Z
Which law states that for every action there is an equal and opposite reaction?
1st Law
2nd Law
3rd Law
Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
The Law of Inertia
The Law of Acceleration
The Law of Action/ Reaction
Immediately after they push away from each other, how does the motion of the mother and daughter change?
The mother moves forward, and the daughter moves backward with a greater acceleration.
Both move forward, but the mother moves with a greater acceleration.
The mother moves backward, and the daughter moves forward with a greater acceleration.
Both move backward, but the daughter moves with a greater acceleration.
A large rock is motionless on a flat sidewalk. Which statement best explains why the rock remains motionless?
There are no forces acting on the rock.
The only force acting on the rock is directed toward the sidewalk.
The forces acting on the rock are all balanced.
The sidewalk exerts an unbalanced force on the rock.
Which energy transformation happens when the blades are spinning as shown?
Electrical to mechanical
Chemical to electrical
Mechanical to electrical
Chemical to mechanical
Which graph represents slowing down?
A
B
C
D
