WorksheetsCBA Review
Total questions: 28
Worksheet time: 22mins
Name
Class
Date
1.
What energy transformation occurs when a go cart is racing around a track?
a)
mechanical to chemical and light
b)
light energy to chemical and mechanical
c)
electrical energy to heat and light
d)
chemical to heat and mechanical
2.
What is the body system that secretes hormones that activate many bodily processes?
a)
respiratory
b)
endocrine
c)
nervous
d)
excretory
3.
What type of energy conversion occurs when you eat your lunch and then run to your advisory class before the tardy bell rings?
a)
thermal energy to chemical enegy
b)
mechanical energy to radiant energy
c)
chemical energy to mechanical energy
d)
radiant energy to thermal energy
4.
When you are running a marathon which body system is responsible for carrying oxygen to the cells of your muscles?
a)
respiratory system
b)
excretory system
c)
circulatory system
d)
muscular system
5.
chewing food is an example of what type of digestion?
a)
Chemical
b)
physical
6.
food being pushed down in your esophagus is an example of what type of digestion?
a)
chemical
b)
physical
7.
Enzymes in saliva breaking down starch in your mouth is an example of what type of digestion
a)
chemical
b)
physical
8.
Stomach contractions mixing and breaking food into smaller pieces is an example of what type of digestion?
a)
chemical
b)
physical
9.
Enzymes breaking down food in the small intestines is an example of what type of digestion?
a)
chemical
b)
physical
10.
The motion of the object shown in this graph is that it is
a)
stationary
b)
moving at a constant rate
c)
speeding up
d)
slowing down
11.
The motion of the object in this graph is that it is
a)
stationary
b)
moving at a constant rate
c)
speeding up
d)
slowing down
12.
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
13.
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
14.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
15.
What is happening at B?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
16.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
17.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
18.
Food has _________ energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
19.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
20.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
21.
It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box ?
a)
200 J
b)
20.0J
c)
2 J
d)
200 N
22.
Two factors that determine work are
a)
amount of the force, and effort used
b)
amount of the force, and type of force
c)
mass, and distance
d)
amount of force and distance moved
23.
You apply a force of 18 N to a dresser and move it 3.0 m. How much work did you do on the dresser?
a)
54 N
b)
6.0 J
c)
54 J
d)
27 J
24.
In which of the following situations do your arms do work on books?
a)
holding a heavy stack of books while standing
b)
carrying a heavy stack of books
c)
dropping a stack of books onto a table
d)
picking up a pile of books from the floor
25.
What is the scientific definition of work?
a)
Thinking hard about something.
b)
Using force to move an object.
c)
Singing work, work, work...
d)
Sitting in Mrs. Moreno's class
26.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
27.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
28.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
100 %
