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Review Quarter 4, Test 4

Total questions: 50

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

Which formula is used to find density?

a)

Density= Mass x Volume

b)

Density = Mass/Volume

c)

Denisty = Volume/Mass

2.
A bar of copper has a mass of 216g and a volume of 24cm3. What is the density of copper?  
a)
9g/cm3
b)
.11g/cm3
c)
5184g/cm3
d)
322mL
3.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
4.
What is the equation to calculate speed?
a)
speed = distance/time
b)
speed = time/distance
c)
speed = time x distance 
d)
speed = speed/time 
5.
A train travels 25 km in .5 hrs. How fast is the train going?
a)
25 miles/hr
b)
5 miles/hr
c)
125 km/hr
d)
50 km/hr
6.
Which box has a greater density?  
a)
Box A
b)
Box B
7.

Between points C and D, how is the object moving?

a)

constant speed

b)

accelerating

c)

decelerating

d)

not moving

8.
People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?
a)
mechanical to thermal to electrical
b)
chemical to mechanical to thermal
c)
mechanical to chemical to sound
d)
chemical to sound to electrical
9.
Soccer ball A goes 15 feet in 3 seconds, and Ball B goes 12 feet in 2 seconds. Which ball moved the fastest?
a)
Soccer Ball A
b)
Soccer Ball B
c)
Their speeds are equal.
10.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
11.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
12.
Mr. Rudman speed walked 2 miles in 10 minutes, what is his speed?
a)
0.2 miles/min
b)
2 miles/min
c)
20 miles/min
d)
40 miles/min
13.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
14.
Find speed when distance is 142 km and time is 2 hours.
a)
71km/hr
b)
52km/hr
c)
17km/hr
d)
90km/hr
15.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
16.

At what distance was the driver AT REST?

a)

200 km

b)

150 km

c)

225 km

d)

0 km

17.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
18.
A student has a rectangular block. It is 2.13 cm wide, 3.05 cm tall, and 25.00 cm long. It has a mass of 600.95 g. What is the volume of the block?
a)

30.18 cm3

b)

162 cm3

c)

0.27 cm3

d)

3.7 cm3

19.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
20.
If you are given a large gold bar and a small gold coin you know - 
a)

the mass is the same for the coins and the bars

b)

the density is the same for the coins and the bars

c)

the volume is the same for the coins and the bars

d)

the coins and the bars have the same shape

21.
What is the total distance covered by 2 pm?
a)
40 miles
b)
30 miles
c)
60 miles
d)
10 miles
22.
What is the average speed of the ball if it falls 20 meters 40 seconds?
a)
A.  20 m/s
b)
B.  10 m/s
c)
C.  0.5 m/s
d)
D.  2 m/s 
23.
A piece of metal has a mass of 35.4 grams and a volume of 6cm3. According to the table what metal is it?
a)
Aluminum
b)
Scandium
c)
Radium
d)
Xenon
24.

From 0 to 15 meters how was the object moving?

a)

accelerating

b)

constant speed

c)

decelerating

d)

at rest

25.
Which type of energy transformation occurs when a flashlight shines?
a)
chemical → thermal → electrical
b)
chemical → electrical → light
c)
thermal → chemical → light
d)
chemical → electrical → chemical
26.
An irregularly shaped piece of gold was lowered into a graduated cylinder holding a volume of water equal to 17 ml. The height of the water rose to 20 ml. If the mass of the gold was 27 g, what was its density?
a)
9 g/mL
b)
10.5 g/mL
c)
6.5 g/mL
d)
8 g/mL
27.
The Theory of the Conservation of Energy states -
a)
Energy can be created, just not destroyed. It changes its form from one type to another.
b)
Energy can never be created nor destroyed. It can only change its form from one type to another.
c)
The total energy in our Universe changes, as different forms of energies can be transformed from each other under certain circumstances.
d)
Energy transformations do not passively occur in our lives, rather we actively make use of energies and transform energies.
28.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
29.

Cesar drove from Houston to Dallas in 4 hours. Dallas is roughly 250 miles NW of Houston. What was his average speed?

a)

1000 mph

b)

62.5 mph

c)

55 mph

d)

60 mph

30.
In a windmill, the blades spin due to energy from the wind. The wind is caused by temperature differences. Grain is crushed into a powder form by the rolling wheel in the windmill. All of these examples illustrate what kind of energy?
a)
Kinetic
b)
Chemical
c)
Potential
d)
Electrical
31.
According to the graph how fast does the person travel in the first 5 seconds?
a)
2 m/s
b)
10 m/s
c)
12.5 m/s
d)
1 m/s
32.
The volume of a candy bar is 55cm3. The mass of the candy bar is 70g. What is the density of the candy bar? 
a)
2.3g/cm3
b)
.8g/cm3
c)
3850g/cm3
d)
1.3g/cm3
33.

Which best describes this motion in the graph?

a)

stopped, walking, running home

b)

running, walking, stopped, walking home

c)

walking, stopped, walking, running home

d)

walking, running, running, stopped

34.

I am holding a balloon that is full of air, the balloon has

a)

kinetic energy

b)

potential energy

35.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
36.
Which is an example of potential energy?
a)
a roller coaster speeding down a hill
b)
the pulled back string on an archers's bow
c)
releasing the strings on a guitar
d)
an electric current lighting a light bulb
37.

Which segment shows the faster speed?

a)

A to B

b)

C to D

c)

B to C

d)

E to F

38.
Which 2 letters have the most kinetic energy
a)
W & Y
b)
X & Z
39.
Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?
a)
chemical → thermal
b)
light → chemical
c)
thermal → light
d)
chemical → electrical
40.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
41.

A group of baby turtles have just hatched in Padre Islands. The baby have to complete a 80 meter dash to the shoreline before the seagulls have them for dinner. It takes the turtles 5 hours to make it to the ocean. What was their average speed?

a)

12 m/hr

b)

80 meters

c)

3 hours

d)

16 m/hr

42.
Some students observing a classroom device being used, noticed the below energy transformations. 
Electrical → Mechanical → Sound
Which device were the students most likely observing?
a)
A triple beam balance measuring an object’s mass.
b)
A pencil sharpener plugged into a wall outlet.
c)
A projector displaying a diagram on the screen.
d)
A working flashlight used to light up a dark corner.
43.
How much potential energy is at the top of a hill on a rollar coaster ride
a)
100%
b)
50%
c)
0%
d)
20%
44.

Which line shows a fast constant speed?

a)

red

b)

yellow

c)

green

d)

purple

45.

True/False: Because energy cannot be created or destroyed, when an object’s kinetic energy increases, its potential energy must decrease!

a)

True

b)

False

46.

Check the boxes of the words associated with KINETIC ENERGY.

a)

Run

b)

Motion

c)

Stored

d)

Swimming

47.
A dog runs 100 meters in 4 seconds.  A lion runs 250 meters in 10 seconds.  What is the difference in their speeds? 
a)
A.  The dog is 100 m faster.
b)
B.  The lion 102 m/s slower.
c)
D.  The dog is 45 m/s faster.
d)
C.  Their speeds are equal.
48.
When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?
a)
electrical → light → mechanical
b)
chemical → mechanical → electrical
c)
mechanical → chemical → light
d)
mechanical → electrical → light
49.

What is the farthest distance traveled on the graph?

a)

225 km

b)

250 km

c)

200 km

d)

175 km

50.

A hair dryer goes through three energy transformations. What are they?

a)

electrical

thermal

mechanical

b)

mechanical

thermal

electrical

c)

mechanical

electrical

thermal

d)

thermal

electrical

mechanical