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WorksheetsCBA Review
Total questions: 82
Worksheet time: 2hrs 0mins
Name
Class
Date
1.
The formula for calculating speed is:
a)
Distance x Time
b)
Distance + Time
c)
Time ÷ Distance
d)
Distance ÷ Time
2.
Which of the following is a unit for speed?
a)
meter / second
b)
seconds / kilometer
c)
hour / kilometer
d)
miles / meter
3.
Jacob is on the track team and runs the 200 meter dash. It takes him 25 seconds to reach the finish line. What was his average speed?
a)
25 m/s
b)
8 m/s
c)
4 m/s
d)
.125 m/s
4.
Jamie is driving to the airport. Her flight leaves in two hours and she is 100 miles away from the airport. What speed must she travel in order to be on time for her flight?
a)
At least 50 mph
b)
At least 45 mph
c)
At least 40 mph
d)
At least 35 mph
5.
Mary is swimming at a speed of 2 m/s. He swims for a total of 50 meters. How long will it take him to complete the race?
a)
100 seconds
b)
50 seconds
c)
25 seconds
d)
10 seconds
6.
Lilly walks to school in the morning. She walks at a speed of 2 m/s and it takes her 5 minutes (300 seconds) to get to school. How far away does she live from the school?
a)
400 meters
b)
500 meters
c)
600 meters
d)
700 meters
7.
_________ is described as the energy of motion.
a)
Potential Energy
b)
Chemical Energy
c)
Kinetic Energy
d)
Gravitational Potential Energy
8.
An object’s kinetic energy will increase with:
a)
Speed and mass
b)
Height and mass
c)
Speed and position
d)
Position and height
9.
__________ is described as the stored energy in an object due to its position or composition.
a)
Potential Energy
b)
Thermal Energy
c)
Kinetic Energy
d)
Mechanical Energy
10.
An object’s potential energy will increase with:
a)
Speed and mass
b)
Height and mass
c)
Speed and position
d)
Position and velocity
11.
Standing on the top of a ladder.
a)
Kinetic Energy
b)
Potential Energy
12.
Jumping from a tree.
a)
Kinetic Energy
b)
Potential Energy
13.
A spring that has been compressed.
a)
Kinetic Energy
b)
Potential Energy
14.
Book sitting on a desk.
a)
Kinetic Energy
b)
Potential Energy
15.
Football that has just been thrown.
a)
Kinetic Energy
b)
Potential Energy
16.
Person running.
a)
Kinetic Energy
b)
Potential Energy
17.
Ball rolling down a hill.
a)
Kinetic Energy
b)
Potential Energy
18.
At which point on a roller coaster would you have the most amount of potential energy?
a)
At the top of the hill
b)
At the bottom of the hill
c)
In the middle of the hill
d)
At the end of the ride
19.
At which point on a roller coaster would you have the most amount of kinetic energy?
a)
At the top of a hill
b)
At the bottom of a hill
c)
In the middle of the hill
d)
At the beginning of the ride
20.
On a distance time graph, what would the line look like if the object stopped moving?
a)
Positive slope
b)
Negative slope
c)
Flat line
d)
Uphill line
21.
On a distance time graph, what would the line look like if the object were moving away from its starting point?
a)
Flat line
b)
Horizontal line
c)
Positive Slope
d)
Downhill line
22.
On a distance time graph, what would the line look like if the object were moving towards its starting point?
a)
Horizontal Line
b)
Negative Slope
c)
Uphill Line
d)
Positive Slope
23.
On a distance time graph, ________ would be labeled on the x axis.
a)
Distance
b)
Time
c)
Speed
d)
Velocity
24.
On a distance time graph, ________ would be labeled on the y axis.
a)
Distance
b)
Time
c)
Speed
d)
Velocity
25.
An object that has kinetic energy must be....
a)
at rest
b)
lifted above the Earth's surface
c)
in motion
d)
none of these answers
26.
The ___________ in sugars and starches of food fuels all your body functions and movements, and provides the thermal energy that keeps your body temperature constant.
a)
nuclear energy
b)
chemical energy
c)
electrical energy
d)
light energy
27.
In science, the ability to do work in called ....
a)
force
b)
power
c)
energy
d)
motion
28.
A battery converts ________ energy into electrical energy for human use.
a)
chemical
b)
kinetic
c)
sound
d)
light
29.
The law of conservation of energy states that energy can neither be created nor ......
a)
destroyed
b)
changed
c)
converted
d)
declined
30.
What is the sequence of the energy transformations represented in this diagram of a moving car?
a)
mechanical to chemical to radiant
b)
radiant to chemical to electrical
c)
mechanical to electrical to radiant
d)
radiant to electrical to mechanical
31.
What type of energy is provided in this picture?
a)
solar energy
b)
heat energy
c)
light energy
d)
all of these answers
32.
What type of heat transfer occurs when heat energy travels from the SUN to the EARTH?
a)
radiation
b)
convection
c)
conduction
d)
boiling
33.
Which of the pictures changes chemical energy into light (and thermal) energy?
a)
A
b)
B
c)
C
d)
D
34.
Which of the pictures involves kinetic mechanical energy that is converted into electrical energy?
a)
A
b)
B
c)
C
d)
D
35.
Which of the pictures demonstrates a transformation from electrical to light(and thermal) energy ?
a)
A
b)
B
c)
C
d)
D
36.
Which of the pictures converts solar energy into electrical energy?
a)
A
b)
B
c)
C
d)
D
37.
Conduction, Convection, or Radiation??
Heat from the sun
Heat from the sun
a)
Conduction
b)
Convection
c)
Radiation
38.
Conduction, Convection, or Radiation??
water boiling
water boiling
a)
Conduction
b)
Convection
c)
Radiation
39.
Conduction, Convection, or Radiation??
a metal rod in a flame
a metal rod in a flame
a)
Conduction
b)
Convection
c)
Radiation
40.
The picture shows a microwave oven. As the microwave oven operates, the electrical energy is transformed into all of the following EXCEPT
a)
solar
b)
light
c)
thermal
d)
mechanical
41.
Which of the following is a conversion from CHEMICAL to THERMAL energy?
a)
food is digested and used to regulate body temperature
b)
charcoal is burned in a BBQ pit
c)
coal is burned to boil water
d)
all of these examples
42.
Potential or Kinetic energy?
holding a stretched rubberband
holding a stretched rubberband
a)
potential
b)
kinetic
43.
Potential or Kinetic energy?
going down the steepest drop of a rollercoaster
going down the steepest drop of a rollercoaster
a)
potential
b)
kinetic
44.
Potential or Kinetic energy?
waiting at the start line before running a race
waiting at the start line before running a race
a)
potential
b)
kinetic
45.
Potential or Kinetic energy?
swinging down on a swing
swinging down on a swing
a)
potential
b)
kinetic
46.
Potential or Kinetic energy?
a sandwich on a plate
a sandwich on a plate
a)
potential
b)
kinetic
47.
In the diagram, a wind turbine is transforming energy from the wind. Between which two steps in the diagram is mechanical energy being converted into electrical energy?
a)
1 and 2
b)
2 and 3
c)
3 and 4
d)
4 and 5
48.
The picture shows a light bulb attached to a hand generator. What energy transformation occurs as the handle of the generator is turned?
a)
thermal to solar to light
b)
solar to light to electrical
c)
mechanical to electrical to light
d)
electrical to mechanical to light
49.
The diagram shows a circuit with the bulb glowing. How does the energy change as it moves from inside the battery, along the wires, and through the light bulb?
a)
electrical to light to chemical
b)
light to electrical to chemical
c)
chemical to electrical to light
d)
chemical to light to electrical
50.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
51.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
52.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
53.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
54.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
55.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
56.
Kim puts an ice cube in a beaker and it melts. This is a good example of:
a)
a physical change.
b)
a chemical change.
c)
an experiment.
d)
an analysis.
57.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
58.
When you break a cracker into pieces it is a
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
59.
Adding baking soda and vinegar together and it fizzes and creates carbon dioxide.
a)
Chemical
b)
Physical
60.
What is an example of a Chemical change?
a)
Ripped paper
b)
boiled egg
c)
cracked egg
d)
sugar in water
61.
Which is a physical change?
a)
burning match
b)
vinegar in baking soda
c)
melting butter
d)
cooking an egg
62.
Which is a Chemical property?
a)
Thermal Conductivity
b)
Density
c)
Malleability
d)
Flammability
63.
Liv lit a match and said it was a physical change. Is she correct?
a)
Yes
b)
No
c)
I dunno...
d)
...
64.
Jayden asked Gabe what she could do to an egg for a chemical change. Gabe answered correctly and said...
a)
You can drop the egg.
b)
You can cook the egg.
c)
You can crack the egg.
d)
You can paint the egg.
65.
Which of the following does the discoloration of a coin describe?
a)
Chemical Change
b)
Physical Change
c)
None of the above
d)
Both
66.
what is the definition of chemical change?
a)
any change that results in the formation of new chemical substances.
b)
changing clothes
c)
matter cannot be created or destroyed, only change form
d)
changes affecting the form of a chemical substance, but not its chemical composition.
67.
which one is the definition of chemical property?
a)
a property or characteristic of a substance that is observed during a reaction where the chemical composition of a substance is changed
b)
any change that results in the formation of new chemical substances
c)
combustibility
68.
what is the definition of physical change?
a)
any change that results in the formation of new chemical substances.
b)
rusting
c)
changes affecting the form of a chemical substance, but not its chemical composition.
d)
any property that is measurable, whose value describes a state of a physical system
69.
One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?
a)
evaporation; chemical change
b)
condensation; physical change
c)
evaporation; physical change
d)
condensation; chemical change
70.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1,
d)
4, 3, 1, 2
71.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
72.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
73.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup
d)
plastic bottle
74.
In general what is the most dense form of matter?
a)
solid
b)
liquid
c)
gas
d)
plasmas
75.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
76.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
77.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
78.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter
d)
A rocket taking off
79.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move up.
80.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
81.
A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
82.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
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