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Physics Pre-Assessment

Total questions: 53

Worksheet time: 2hrs 42mins

Name
Class
Date
1.
What is the SI unit of speed?
a)
m/s
b)
m/s2
c)
kg
d)
miles/hour
2.
When you know speed and direction you know
a)
force
b)
acceleration
c)
velocity
d)
momentum
3.
In a speed vs. time graph, a straight line shows that acceleration is
a)
decreasing
b)
increasing
c)
constatnt
d)
zero
4.
On a graph showing distance versus time, a horizontal line represents an object that is
a)
moving at constant speed
b)
decreasing its speed
c)
increasing its speed
d)
not moving
5.
How can you increase the acceleration of an object?
a)
decrease its mass
b)
increase its friction
c)
increase its mass
d)
decrease the force applied to it
6.
You push a 10 kg cart and it accelerates at 2 m/s2. What force did you push with?
a)
2 Newtons
b)
5 Newtons
c)
10 Newtons
d)
20 Newtons
7.
What determines the strength of gravitational attraction between two objects?
a)
mass and distance
b)
size and mass
c)
density and mass
d)
density and size
8.
If tight scissors have an efficiency of 50%, half of your work is wasted due to 
a)
changes in direction
b)
input force
c)
output force
d)
friction
9.
Mechanical waves are created when a source of energy causes a medium to 
a)
move
b)
vibrate
c)
expand
d)
compress
10.
The shorter the wavelength
a)
the higher the frequency
b)
the lower the frequency
c)
the higher the amplitude
d)
the lower the energy
11.
The shorter the wavelength
a)
the higher the frequency
b)
the lower the frequency
c)
the higher the amplitude
d)
the lower the energy
12.
Solve for x: 
2x + 3 =7
 
a)
6
b)
2
c)
1/2
d)
no answer
13.
Solve for x: 
3x + 4 = x + 8
a)
2
b)
1/2
c)
6
d)
no answer
14.
Solve for x:
38/x = 5(3) + 4
a)
19
b)
38
c)
2
15.
Solve for x:
4x2 + 2 = 8 + 2x2
a)
2
b)
3
c)
9
d)
no answer
16.
X = 5, y = 8. Solve for r:
a)
13
b)
15
c)
9
d)
no answer
17.
Solve for x: 3x/4 = ( 10 + 6x)/5
a)
4.4
b)
2.2
c)
9
d)
no answer
18.
If there are about 3 feet in 1 meter, then 25 meters is about
a)
8 feet
b)
75 feet
c)
450 feet
d)
4.5 feet
19.
If x = -2 and y = 5, then 3x2y =
a)
180
b)
-180
c)
60
d)
-60
20.

A cart is pushed and undergoes certain acceleration. Consider how the acceleration would compare if it were pushed with twice the net force while it’s mass increased by four. Then its acceleration would be

a)

one quarter

b)

one half

c)

twice

d)

the same

21.

How much force is needed

to keep an object with a constant speed moving?

a)

zero

b)

Equal to the weight of the object

c)

Just enough to produce acceleration

d)

Greater than the frictional force met by the

object

22.

Which one is NOT a method of transferring heat ?

a)

Conduction

b)

Convection

c)

Radiation

d)

Melting

23.

Which picture shows and electromagnet?

a)
b)
c)
d)
24.
The bond between two non-metals is known as a(n) ------ bond.
a)
Covalent
b)
Ionic
25.
Two or more elements chemically joined together and are represented by a chemical formula are known as---
a)
Elements
b)
Mixtures
c)
Compounds
26.
The ----- states that matter is not created or destroyed in a chemical reaction or by simple means.
a)
The Particle Theory of Matter
b)
The Law of Conservation of Matter
27.
In ---- changes, substances lose their original properties and form new substances.
a)
Chemical
b)
Physical
28.
--- is a measure of the pull of gravity on an object.
a)
Matter
b)
Mass
c)

Weight

29.
Matter can be classified as ----------
a)
Compounds, Mixtures, Solids
b)
Elements, Compounds, Mixtures
c)
Atoms, Cells, Elements
30.
A(n) ----- bond forms between a metal and a non-metal.
a)
Ionic
b)
Covalent
c)
Weight
31.
Breaking a pencil in half is an example of a ------- change.
a)
Chemical
b)
Physical
32.

Stored Energy

a)

potential energy

b)

energy of motion

c)

kinetic energy

d)

conservation of energy

33.

kinetic energy

a)

energy of motion

b)

stored energy

c)

conservation of energy

d)

energy that is requires no movement

34.

energy changing from one form of energy to another

a)

energy transformation

b)

matter

c)

conservation of energy

d)

energy that is requires no movement

35.

distance traveled per unit of time

a)

person

b)

speed

c)

direction

d)

movement

36.

course along which someone or something moves

a)

person

b)

speed

c)

direction

d)

movement

37.

push or pull

a)

force

b)

balanced force

c)

unbalanced force

d)

average speed

38.

equal forces acting on an object in opposite directions

a)

force

b)

balanced force

c)

unbalanced force

d)

average speed

39.

two or more forces that are not equal and opposite of one another; can cause change in motion

a)

force

b)

balanced force

c)

unbalanced force

d)

average speed

40.

The horizontal number line in a graph

a)

line graph

b)

pie graph

c)

x-axis

d)

y-axes

41.

A pulley that is attached to a structure

a)

inclined plane

b)

fixed pulley

c)

load

d)

spring scale

42.

Combinations of two or more pulleys working together reduce the force needed to lift a load

a)

inclined plane

b)

pulley system

c)

load

d)

spring scale

43.

a type of pulley that moves with the load and allows the effort to be less than the weight of the load

a)

inclined plane

b)

movable pulley

c)

load

d)

spring scale

44.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
45.
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
46.
On a distance vs. time graph, the steeper the slope _____
a)
the slower the speed
b)
the faster the speed
c)
less acceleration
d)
greater acceleration
47.
Which statement describes a vector?
a)
It has magnitude but no direction
b)
It has direction but no magnitude
c)
It has both direction and magnitude
d)
It has constant magnitude but no
 direction
48.
A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south.  What is the magnitude and direction  of the car's resultant displacement?  
a)
40 metres, South
b)
50 metres, South
c)
50 metres, North
d)
40 metres, North 
49.
Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west
a)
Scalar
b)
Vector
50.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
51.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
52.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
53.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law