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Physical Science S1 Review

Total questions: 80

Worksheet time: 2hrs 33mins

Name
Class
Date
1.

Round to the nearest whole number

345.8

(a)  

2.

Round 47.7399 to three decimal places.

a)

47.74

b)

47.7310

c)

47.740

d)

47.730

3.

Round 0.879 to the nearest whole number.

a)

0.1

b)

1

c)

0

d)

0.88

4.
5x=35
a)
5
b)
6
c)
7
d)
8
5.
2x+8 = 22
a)
14
b)
16
c)
8
d)
7
6.

Convert 323 m to km.

a)

0.323 km

b)

3,230 km

7.

The mass of an elephant is best shown using which unit?

a)

g

b)

mg

c)

hg

d)

kg

8.

Joey drives his Skidoo 7 kilometers North. He stops for lunch and then drives 5 kilometers East. What distance did he cover?


Include units in your answer.

(a)  

9.

Anthony walks to the pizza place for lunch. He walks 1 km East, then 1 km South, and then 1 km East again. What distance did he cover?


Include units in your answer.

(a)  

10.

Preston goes on a camel safari in Africa. Then he travels 5 km North, 3 km East, and then 1 km North again. What distance did he cover?


Include units in your answer.

(a)  

11.

When is distance going to be the same as displacement?

a)

When the object moves in one direction and then reverses direction.

b)

When the object moves in one direction without reversing.

c)

When the object moves in one direction then reverses direction and return to its initial position

12.

Between distance and displacement, which one requires a direction?

a)

Distance

b)

Displacement

13.

Between distance and displacement, which is almost always bigger in magnitude?

a)

Distance

b)

Displacement

14.

In ____________ only the initial and final positions matters.

a)

Distance

b)

Displacement

15.

The ball below moved from position 1, to position 2, and then finally to position 3. What is the ball's displacement?

a)

4 meters, left

b)

10 meters, left

c)

4 meters, right

d)

10 meters, right

16.

Sara walks from Point A to Point B. Which is true about Sara's distance and displacement?

a)

Distance and Displacement are equal

b)

Distance is less than displacement

c)

Displacement is less than distance

17.
To change the motion of an object, inertia must be overcome by a __________ acting on the object.
a)
temperature
b)
speed
c)
force
d)
velocity
18.

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by a(n) ____________________.

a)

unbalanced force

b)

inertia

c)

mass

d)

balanced force

19.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
20.
What is the attractive force that exists between all objects that have mass?
a)
Weight
b)
Mass 
c)
Gravity
d)
Viscosity
21.
A crumpled piece of paper hits the ground before a flat sheet of paper because
a)
the acceleration of gravity is greater on the  crumpled paper.
b)
there is more air resistance against the flat paper.
c)
the crumpled paper is more massive
d)
the crumpled paper is less massive.
22.

A rock sitting still at the top of a hill is an example of what type of energy?

a)

Potential

b)

Mechanical

c)

Kinetic

d)

Chemical

e)

Thermal

23.

A rock sitting still at the top of a hill is an example of what type of energy?

a)

Potential

b)

Mechanical

c)

Kinetic

d)

Chemical

e)

Thermal

24.

What are two factors that affect kinetic enrgy?

(a)  

25.

What does gravitational potential energy depend on?

a)

height

b)

mass

c)

gravity

d)

all of these

26.

A tiny pig is dropped from the top of a building and lands safely on a trampoline. The tiny pig will have an increase in what type(s) of energy as it falls?

a)

gravity

b)

potential energy

c)

kinetic energy

d)

all of the these

27.

On the right of the image is a graph of the energy of a skateboarder as he travels down a track. Using the diagram on the left, at which point on the track does the graph correspond to?

a)

Point A

b)

Point B

c)

Point C

28.

At which point along the track will the skater have the biggest potential energy?

a)

A only

b)

F only

c)

Both A and F

d)

C only

29.
The unit for current is the 
a)
Volt
b)
Ohm
c)
Electron
d)
Amp
30.
In a ________ circuit there are multiple paths for the current to take.
a)
Series
b)
Parallel
31.
In a _________ circuit, if one bulb goes out then the entire circuit doesn't work.
a)
Series
b)
Parallel
32.
What is the unit for resistance?
a)
Volts
b)
Amperes
c)
Ohms
33.
What type of circuit is pictured?
a)
series
b)
parallel
34.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
35.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
36.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
37.
Lightning is an example of _________.
a)
static electricity
b)
current electricity
c)
watts
d)
voltage
38.
What is a closed path for electrons to flow through?
a)
static electricity
b)
circuit
c)
amperes
39.
A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow? 
a)
The switch needs to be opened.
b)
The switch needs to be closed.
c)
The cell needs an insulator.
d)
The wire needs to be connected to the bottom of the cell.
40.

Which of these will repel each other?

a)

Negatively charged balloon and positively charged sphere.

b)

Negatively charged balloon and neutral sphere.

c)

Negatively charged balloon and negatively charged sphere.

d)

Negatively charged balloon and neutral wall.

41.
An object becomes charged when the atoms in the object gain or lose
a)
electrons
b)
protons
c)
neutrons
d)
all of the above
42.
An object becomes charged when the atoms in the object gain or lose
a)
electrons
b)
protons
c)
neutrons
d)
all of the above
43.
If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that
a)
friction destroyed electrons in the rod.
b)
the silk has become negatively charged.
c)
protons have moved to the rod.
d)
glass attracts more protons.
44.
If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that
a)
friction destroyed electrons in the rod.
b)
the silk has become negatively charged.
c)
protons have moved to the rod.
d)
glass attracts more protons.
45.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
46.
When iron nails get rusty, heat is released.  What process is this?
a)
Exothermic
b)
Endothermic
47.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
48.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
49.

The law of conservation of energy states that

a)

energy can be created or destroyed

b)

energy cannot be created or destroyed

c)

energy can be potential or kinetic only

d)

heat energy is kinetic energy

50.
In an endothermic reaction, heat is ...
a)
taken in or absorbed
b)
given out or released 
51.
In an endothermic reaction the system is releasing energy.
a)
True
b)
False
52.
 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800
b)
400
c)
0
d)
200
53.

Jerry walked from home to school, then from the school to the park. What is his total displacement?

a)

2 km

b)

5 km

c)

8 km

d)

10 km

54.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
55.
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
56.
Which runner won the race?
a)
A
b)
B
c)
C
d)
It was a tie
57.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
58.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
59.
In which of the following graphs (click the image) are both runners moving at the same speed (note that graph c is the bottom right graph, and graph d is the bottom left graph)? 
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
60.
What is the speed of the red line?  
a)
4 m/s 
b)
16 m/s 
c)
32 m/s 
d)
2 m/s 
61.

Kinetic energy depends on the ________ and ________ of the object. Remember the equation KE=1/2mv^2

a)

Height (position)

b)

Mass

c)

Velocity

d)

Friction

62.

A football, which has a mass of 0.45 kg is thrown with a velocity of 10m/s. The ball has (a)   J of KE.

63.

If a 4 kg cat is running and has 18J of kinetic energy? Its velocity is _ m/s

(a)  

64.

A golf pro swings her driver which weighs 0.15Kg at a velocity of 60 m/s. The KE of the golf club is (a)   J. Type your answer

65.

A rock is slowly sliding down a hillside with a velocity of 2 m/s. If it takes 100 J of energy to stop the rock, the mass of the rock was (a)   Kg.

66.

The highest inhabited town in the world has an elevation of 5334 m above sea level. What would be the gravitational potential energy of a 64 kg person in this town?

a)

341,376 J

b)

83.3 J

c)

3,345,484.8 J

d)

34,834.3 J

67.

An Olympic high jumper, with a mass of 82 kg, has a maximum gravitational potential energy of 1970 J. How high was the jump?

a)

24 m

b)

161,540 m

c)

2.5 m

d)

201 m

68.

The world record for pole vaulting is 6.15 m. I the pole vaulter’s gravitational potential energy is 4942 J, what is his mass?

a)

803.6 kg

b)

504.3 kg

c)

30,393.3 kg

d)

82 kg

69.
Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?
a)
10
b)
7
c)
8
d)
6
70.
David walks 3 km north, and then turns east and walks 4 km. What is the distance?
a)
7 km
b)
3 km
c)
4 km
d)
1 km
71.

Jerry walked from home to school, then from the school to the park. What is his total displacement?

a)

2 km

b)

5 km

c)

8 km

d)

10 km

72.
A person walks 50 meters directly north, stops, and then travels 32 meters directly south.  What is their displacement?
a)
82 meters
b)
18 meters
c)
28 meters
73.

What net force is needed for a 1600 kg automobile to accelerate at a rate of 2.0 m/s2?

F=maF=ma  

4 lines
74.

A baseball accelerates downward at 9.8 m/s2. With negligible air resistance and a net force of 1.4 N, what is the baseball’s mass?

F=maF=ma  

4 lines
75.

What is the acceleration of a 58-kg boy on a skateboard if he is pushed forward with a force of 15 N and the opposing force of friction is 4 N?

F=maF=ma  

4 lines
76.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
77.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
78.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
79.

If the battery produced 12.6 Volts what would be the current flow for a 6 Ohm resistor?

a)

2.1 Amps

b)

2.4 Amps

c)

1.71 Amps

d)

15 Amps

80.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps

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