NEW
Font size
WorksheetsUnit 3: Energy Review
Total questions: 23
Worksheet time: 12mins
Jose performed an experiment on motion using a marble and created a graph to plot the data.
What units should Jose use on her graph to show the constant speed of the marble over a
certain distance?
grams and kilograms
meters and seconds
minutes and hours
meters and centimeters
What does this graph represent?
constant speed
acceleration
stationary (not moving)
What does this graph represent?
constant speed
acceleration
stationary (not moving)
According to the graph how far does the person travel in the first 5 seconds?
2 m
0 m
5 m
10 m
A student walks 2.0 km in a time of 30 minutes. The student then stop for 15 minutes to eat a snack then travels 1.0 km in 15 minutes.
Which graph shows the journey described?
How long did Charlie stop for a rest?
5 seconds
2 seconds
3 seconds
3.5 seconds
At which segment was the object moving at the greatest speed?
0-15 seconds
15-25 seconds
25-30 seconds
35-55 seconds
What is the mechanical energy of an object?
the sum of all types of kinetic energy
the sum of all types of potential energy
the sum of all kinetic energy and all potential energy
the difference between the kinetic energy and the potential energy
Energy can occur in many forms. Which of the following terms best describes kinetic energy?
motion
length
volume
no motion
A high-speed collision between two vehicles causes more damage than a low-speed collision.
What is the reason for this?
Vehicles traveling at a high speed have no potential energy.
Vehicles traveling at a low speed have no potential energy.
Vehicles traveling at a high speed have more kinetic energy than vehicles traveling at lower speeds.
Vehicles traveling at a low speed have more kinetic energy than vehicles traveling at higher speeds.
Energy can be transformed from one type to another. In which of the following situations is
kinetic energy transformed into potential energy?
When a boulder rolls down a mountain
When a water tank ruptures and water flows out
When a tree branch falls toward the ground
When a ball is thrown straight up into the air
Which statement would correctly describe the energy of the ball as it travels along the
path?
The ball has the most potential energy at point D.
The ball has the least potential energy at point A.
The ball has the most kinetic energy at point C.
The ball has the least kinetic energy at point D.
According to the law of conservation of energy, what happened to the energy of the ball in the
Illustration below?
The amount of total energy in the ball increased.
Both the potential energy and the kinetic energy remained unchanged.
The amount of total energy in the ball decreased.
Potential energy was transformed into kinetic energy.
Experimental results must be replicable to be generally accepted as true. One reason replication
is important is because it can reduce or eliminate bias by an individual scientist. What is a
replicable experiment?
when the same scientist repeats the same procedure and obtain different results
when the same scientist repeats the same procedures and obtains the same results
when different scientists use the same procedures and obtain different results
when different scientists use the same procedures to obtain the same results
A marine biologist observed the swimming speed of five different types of fish as shown in the
chart below. What measurements did the marine biologist take to correctly calculate the speed
of these fish?
Time and density
Volume and mass
Distance and time
Distance and density
Energy is destroyed when it transforms. TRUE or FALSE?
TRUE
FALSE
Kareem set up the materials shown in the illustration below as part of an experiment involving
friction. What two instruments will Kareem need to calculate the speed of the book as it slides
down the ramp?
Metric ruler and stopwatch
Metric ruler and balance
Balance and stopwatch
Hand lens and metric ruler
The graph below plots the distance in kilometers traveled by an object over time in hours.
What can you conclude from this graph?
The speed of the moving object increases over time.
The speed of the moving object decreases over time.
The speed of the moving object first increases and then decreases.
The speed of the moving object remains constant.
Look closely at the graph below. What can you conclude about the motion of the object?.
The speed of the object is slowly increasing at a constant speed.
The motion of the object is decreasing at a constant speed.
The object is maintaining its direction of motion.
The object is returning to its original position.
Kayla is creating a graph to show the average speed of a swimmer in a pool.
She has labeled the x-axis of the graph "Time." Which label should Kayla use for
the y-axis of her graph?
Pool depth
Swimmer age
Distance swum
Pool temperature
While measuring the distance his toy car traveled during certain time periods, Manuel recorded the following data on the graph below. Which of the following time periods was the speed of the car the fastest?
From 0 to 6 seconds
From 6-12 seconds
From 12-20 seconds
From 20-25 seconds
When conducting an experiment, a chemist added "a tiny bit of glucose and a
sprinkle of calcium powder" to the reaction mixture. What is wrong with using this
type of measurement?
A bit and a sprinkle cannot be replicated by other experimenters.
A bit and a sprinkle were too little of each chemical to be used in the reaction.
A bit and a sprinkle were too much of each chemical to be used in the reaction.
A bit and a sprinkle of these chemicals do not mix completely to get the desired results.
Downhill snow skiing shows the relationship between kinetic and potential energy. What
happens to the energy transformation as the person skis down the hill?
As the skier begins to go down the hill, potential energy transforms into kinetic energy.
As the skier begins to go down the hill, kinetic energy transforms into potential energy.
The skier uses her ski poles to create more kinetic energy.
There is no change; potential and kinetic energy remain the same.
