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Semester 1 STEM cumulative test

Total questions: 77

Worksheet time: 3hrs 4mins

Name
Class
Date
1.

Which one of Newton's laws is shown

a)

3rd- for every action there is an equal and opposite reaction

b)

2nd- the force on an object is equal to its mass times its acceleration

c)

1st- an object in motion will stay in motion and an object at rest will stay at rest unless acted upon

2.

What does this picture represent

a)

Force, Magnetism, Acceleration

b)

Force, Money, Apples

c)

Force, Mass, Acceleration

d)

Funny, Monkeys, Arrive

3.

Which one of Newton's laws are displayed

a)

2nd- the force on an object is equal to its mass times its acceleration

b)

1st- an object will not change its motion unless a force acts on it

c)

3rd- for every action there is an equal and opposite reaction

4.

Which of Newton's laws is shown

a)

1st law- an object will not change its motion unless a force acts on it

b)

3rd law- for every action there is an equal and opposite reaction

c)

2nd law- the force on an object is equal to its mass times its acceleration

5.

This is Newton's 3rd law- for every action there is an equal and opposite reaction

a)

True

b)

False

6.

If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?

a)

3rd law- an object will not change its motion unless a force acts on it

b)

1st law- an object will not change its motion unless a force acts on it

c)

2nd law- the force on an object is equal to its mass times its acceleration

7.

What force slows objects down and keeps them from moving?

a)

Acceleration

b)

Gravity

c)

Friction

d)

Net Force

8.

8 N to the left , and 4 N to the right. Find the net force. Is this balanced

a)

12 N Right No

b)

4 N Left No

c)

12 N Right Yes

d)

4 N Left Yes

9.

A 20 kg bike accelerates at 10 m/s2. what was the force?

F = m x a

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

10.

What unit do we measure force in?

a)

Newtons

b)

Joules

c)

Force

d)

Kilograms

11.

The reason a ball bounces up when it hits the ground is that

a)

the ball and ground repel each other.

b)

the ball exerts a force on the ground, and the ground exerts a force on the ball.

12.

The mass of an object can be defined by...

a)

how small an object is

b)

how large an object is

c)

how far an object is from the sun

d)

how much matter an object is made out of.

13.

The greater the mass of an object, the greater the amount of ______ is needed to make it accelerate.

a)

Force

b)

Matter

c)

Acceleration

d)

Velocity

14.

Which choice below best defines gravity?

a)

A force that pushes away

b)

An objects ability to accelerate

c)

An objects mass attracting other objects towards it

d)

The ability to change the speed and direction of an object

15.

Look at the bar graph. Can you tell what the bar graph measures?

a)

Kilowatts used by appliances per day

b)

Average hours appliances were used per day

c)

Number of hours each appliance was used per day

d)

Hours appliance used monthly

16.

Which month had the greatest number of books read?

a)

November

b)

December

c)

January

d)

February

17.
The X axis is _______?
a)

vertical

b)

diagonal

c)

conditional

d)

horizontal

18.
According to this graph, what is the most popular flavor of Jolly Rancher?
a)
Cherry
b)
Grape 
c)
Blue Rasberry
d)
Watermelon
19.
What type of graph is this?
a)
Bar Graph
b)
Line Plot
c)
Pictograph
d)
Tally Chart
20.

What percentage does the entire circle graph represent?

a)

100%

b)

50%

c)

25%

d)

15%

21.

Find the aaverage of these numbers: 5, 11, 2, 12, 4, 2

a)

4.1

b)

6

c)

4.5

d)

4

22.

What is the average of these numbers? 10, 3, 17, 4, 12, 20

a)

10

b)

4

c)

6

d)

11

23.
A car travels 30 miles/hr for 3 hours, calculate the distance it will travel
a)
90 miles
b)
10 miles
c)

10 hr

d)

90 miles/hr

24.

A man runs at a speed of 10 m/min for 5 min, what distance did he run?

a)

2 m

b)

2 min

c)

50 s

d)

50 m

25.

Which of the following, is a unit of speed?

a)

km/hr

b)

hr

c)

km

d)

s

26.
Mrs. Avery speed walked 2 miles in 10 minutes, what is her speed?
a)
0.2 miles/min
b)

20 miles

c)
20 miles/min
d)

20 min

27.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
28.

How much force is needed to accelerate a 25kg bowling ball at 2m/s2.

a)

50N

b)

5N

c)

12.5N

d)

100N

29.
What is the magnitude (size) and direction of the net force?
a)
10 N to the Right
b)
10 N to the Left
c)
0 N
d)
8 N to the Left
30.

Which is balanced?

a)

top

b)

bottom

c)

both

31.

If the net force is 0 the object will ...

a)

CHANGES motion

b)

STAY the SAME, NOT Move

32.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
33.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
34.
Is this a balanced or unbalanced force?
a)
Balanced
b)
Unbalanced
c)
Neither
d)
Both
35.
What kind of circuit is this?
a)
series
b)
parallel
36.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
37.
When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.
a)
parallel
b)
series
c)
open
d)
closed
38.

Choose the sentence that describs this circuit.

a)

This circuit will work because it is a closed circuit.

b)

Energy will freely flow in this circuit.

c)

This circuit will not work because there is no energy source.

d)

This circuit will not work because there is no switch.

39.
The total resistance in this circuit is 
a)
100 ohms
b)
450 ohms
c)
400 ohms
d)
30 ohms
40.

Suppose you have a 100 Ω resistor in series with two 100 Ω resistors. what is their total resistance?

a)

500 Ω

b)

400 Ω

c)

300 Ω

d)

200 Ω

41.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
42.

What 'flows' in a wire?

a)

Protons

b)

Neutrons

c)

Atoms

d)

Electrons

43.

A Charging system producing 14.5 Volts with a current flow of 43.5 Amps, what is the circuits resistance?

a)

58 ohms

b)

0.33 ohms

c)

13 ohms

d)

1 ohms

44.

What would the circuit resistance be if a 7.5 Amp draw was present with the engine running and the charging system producing 15 Volts?

a)

15 Ohms

b)

4 Ohms

c)

0.3333 Ohms

d)

2 Ohms

45.

Where does the current get its voltage from?

a)

The lightbulb

b)

The battery

c)

The wires

46.

Which of the circuits in the diagram are a series circuit?

a)

A

b)

B

c)

C

d)

D

47.

Resistance is

a)

Measured using an ammeter

b)

Is the same thing as volts

c)

How difficult it is for electrons to move through an object

d)

The continuous movement of electrons in a wire

48.

If the voltage is increased and the resistance stays the same, what will current do?

a)
Increase
b)
Decrease
c)
Stay the same
d)
X
49.

If the voltage stays the same and resistance is increased, what will current do? 

a)
Increase
b)
Decrease
c)
Stay the same
d)
X
50.

If a toaster produces 12 ohms of resistance in a 120-volt circuit, what is the amount of current in the circuit?

a)

5A

b)

10A

c)

15A

d)

20A

51.

Which is the best example of kinetic energy?

a)

a car parked on a steep hill 

b)

a tennis ball rolling across the court

c)

a picture hanging on the wall 

d)

a piece of coal before it's burned 

52.

When a pendulum swings, at which point is potential energy highest?

a)

1

b)

2

c)

3

d)

4

53.
A stretched rubberband
a)
potential
b)
kinetic
54.

Which of these has the most potential energy.

a)

A

b)

B

c)

C

d)

D

55.

As potential energy decreases kinetic energy

(a)  

56.

If a football player wants to become better at tackling by increasing his or her kinetic energy, how can the player do this?

a)

Increase his/her height

b)

Increase his/her speed

c)

Increase his/her mass

d)

Decrease his/her speed

57.

At which point of the roller coaster is potential energy the greatest?

a)

W

b)

X

c)

Y

d)

Z

58.
2. The diagram to the right represents a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy?
a)
1
b)
2
c)
3
d)
4
59.

The force that causes objects with mass to attract to one another:

a)

Weight

b)

Gravity

c)

Mass

d)

Magnetism

60.

"Gravity pulls things down", really means that gravity pulls things ___

a)

towards the North Pole

b)

towards the South Pole

c)

towards the Earth

61.

A push or pull acting on an object is called a ___

a)

pusher

b)

force

c)

lever

62.

Kinetic energy depends on_________ and _________.

a)

speed and mass

b)

speed and height

c)

height and mass

d)

energy and height

63.

When stored energy begins to move the object______ energy from _______ to _________.

a)

energy, force, motion

b)

transfers, kinetic, potential

c)

forces, mechanical, nuclear

d)

transfers, potential,kinetic

64.

When a slingshot is pulled back it has ...

a)

human energy

b)

potential energy

c)

kinetic energy

d)

radiant energy

65.

When a pendulum swings, at which point is kinetic energy highest?

a)

1

b)

2

c)

3

d)

4

66.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
67.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
68.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
69.
On a roller coaster, where is maximum potential 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
70.
How much potential energy is at the top of a hill on a rollar coaster ride
a)
100%
b)
50%
c)
0%
d)
20%
71.

Choose all ways an object can accelerate.

a)

speed up

b)

slow down

c)

change direction

d)

stay at a constant speed and never change direction

72.

Acceleration is just when an object speeds up?

a)

True, only objects speeding up is acceleration

b)

False, objects speeding up and slowing down is acceleration.

73.

A negative acceleration means that your object is _____. 

a)

not accelerating

b)

speeding up 

c)

not moving

d)

slowing down 

74.

the unit of acceleration is

a)

(m/s2)

b)

jouls

c)

m

d)

s

75.
Which one will still function if one light bulb goes out?
a)
A-Series
b)
B-Parallel
c)
A-Parallel
d)
B-Seriese
76.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
77.
what is this symbol for?
a)
light bulb
b)
cell
c)
battery
d)
resistor

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