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WorksheetsUnit 1 CBA Review
Total questions: 20
Worksheet time: 39mins
Name
Class
Date
1.
When a soccer ball is on a field, the energy it has just before being kicked is called
a)
kinetic energy
b)
potential energy
c)
mechanical energy
d)
chemical energy
2.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
3.
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
4.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
5.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
6.
What type of energy transformation occurs in hydroelectic power?
a)
mechanical energy to electrical energy
b)
electrical energy to electrical energy
c)
radiant energy to chemical energy
d)
solar energy to mechanical energy
7.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
8.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
9.
What is the density of a substance that has a mass of 30g and a volume of 6 liters?
a)
24 g/l
b)
5 g/l
c)
36 g/l
d)
180 g/l
10.
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
11.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
12.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
13.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
14.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
15.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
16.
work is a measurement of how much force is applied over a certain
a)
distance
b)
velocity
c)
shape
d)
size
17.
True or false
You do work only when you exert a force on an object and move it a certain distance
You do work only when you exert a force on an object and move it a certain distance
a)
true
b)
false
18.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
19.
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
20.
Alan travels 100 km in 5hrs. Find his average speed in km/h
a)
5km/hr
b)
10km/hr
c)
50km/hr
d)
20km/hr
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