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WorksheetsUnit 1 REVIEW
Total questions: 71
Worksheet time: 3575secs
Name
Class
Date
1.
Convert 0.25 m to mm
a)
25
b)
2.5
c)
250
d)
0.025
2.
convert 9 km to mm
a)
900,000
b)
9,000,000
c)
9,000
d)
90,000
3.
Which is more 4 kg or 3,000 g?
a)
4 kg
b)
3,000 g
4.
490,000 g =____ kg
a)
490
b)
49
c)
4,900
d)
0.49
5.
Convert to standard notation:
2.4 x 10-3
2.4 x 10-3
a)
2400
b)
0.24
c)
0.024
d)
0.0024
6.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
7.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
8.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
9.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
10.
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
11.
Which runner had a head start?
a)
A
b)
B
c)
C
12.
from 3rd second to 5th second, the object is
a)
moving at a constant speed
b)
speeding up
c)
not moving
d)
slowing down
13.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
14.
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
15.
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
16.
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
17.
Which of the following is NOT true about slope?
a)
the steeper the line the slower the object
b)
the steeper the line the faster the object
c)
a horizontal line means the object was not moving
18.
Which of the following has a northward displacement?
a)
a dog travels 8 m south, then returns to starting position
b)
a dog travels 8 m north, then returns to starting position
c)
a dog travels 8 m south, then travels 10 m north
d)
a dog travels 8 m north, then travels 10 m south
19.
Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800 m
b)
400 m
c)
0 m
d)
200 m
20.
The slope of a two-dimensional position-time graph gives
a)
displacement.
b)
distance.
c)
velocity.
d)
acceleration.
21.
Does the speedometer in a car measure velocity or speed?
a)
velocity
b)
speed
c)
both
d)
neither
22.
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
23.
Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
24.
Bob runs from 4:50 pm until 5:20pm at an average speed of 7km/h. How far did he go?
a)
4.5km
b)
2.5km
c)
3.5km
d)
14km
25.
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
26.
Joanna drives for 400km at an average speed of 80km/h. How long was her journey?
a)
Joanna's journey was 5hrs long
b)
Joanna's journey was 10hrs long
c)
Joanna's journey was 20hrs long
d)
Joanna's journey was 15hrs long
27.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
28.
g is defined as
a)
acceleration of all objects in motion
b)
acceleration of objects moving vertically
c)
acceleration of gravity
d)
none of the above
29.
the equation for inertia (momentum) is
a)
p=ma
b)
p=mv
c)
p=mr
d)
p=md
30.
In the formula F = ma , what is the relationship between force and acceleration?
a)
Inverse
b)
Direct
c)
Inverse square
d)
Square
31.
A 500kg car goes from rest to 25m/s in 5s. What is the net force required?
a)
100 N
b)
250 N
c)
1000 N
d)
2500 N
32.
An apple has a mass of 102g. What is its weight (rounded) ? W = mg, g=-9.8 N/kg
a)
1 N
b)
10 N
c)
100 N
d)
1000 N
33.
An object weighs less on the moon than it does on the Earth
a)
True
b)
False
34.
The mass of an object on the moon is the same as its mass on the Earth.
a)
True
b)
False
35.
If an object is at rest, then there are no forces acting upon the object.
a)
True
b)
False
36.
When two equal forces act in opposite directions on an object, they are called ______________________.
a)
frictional force
b)
balanced force
c)
centripetal force
d)
gravitational force
37.
When an unbalanced force acts on an object, the force ______________________.
a)
changes the motion of the object
b)
is cancelled by another force
c)
does not change the motion of an object
d)
is equal to the weight of the object
38.
According to Newton’s second law of motion, force is equal to mass times ______________________.
a)
inertia
b)
weight
c)
acceleration
d)
direction
39.
"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
40.
Any push or pull on an object.
a)
force
b)
velocity
c)
inertia
d)
momentum
41.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
42.
The force of attraction between all matter.
a)
inertia
b)
friction
c)
net force
d)
gravity
43.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
44.
A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec/sec. What is it's force?
a)
50 Newtons
b)
5 Newtons
c)
20 Newtons
d)
9.5 Newtons
45.
Gravity is increased with...
a)
greater mass & shorter distance
b)
greater mass & farther distance
c)
lower mass & shorter distance
d)
lower mass & farther distance
46.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
47.
The Law of Inertia
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
48.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
49.
When the force on a car is doubled, the acceleration is doubled.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
50.
A skater pushes another skater forward, but the one pushing moves backwards.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
51.
Determine the accelerations that result when a 12-N net force is applied to a 3-kg object.
a)
3 m/s
b)
4 ft/s
c)
13 m/s
d)
4 m/s
52.
What is Newtons 3rd law of motion?
a)
Force= Mass multiplied by acceleration
b)
An object at rest stays at rest unless acted on an unbalanced force.
c)
For every action there is a equal and opposite reaction.
d)
Law of gravity
53.
What is Newtons 2nd law of motion?
a)
Force= Mass multiplied by acceleration
b)
An object at rest stays at rest unless acted on an unbalanced force.
c)
For every action there is a equal and opposite re-action.
d)
Law of gravity
54.
What is Newtons 1st law of motion?
a)
Force= Mass multiplied by acceleration
b)
An object at rest stays at rest unless acted on an unbalanced force.
c)
For every action there is a equal and opposite re-action.
d)
Law of gravity
55.
How do we quickly find the location of an object's center of mass if it is not symmetrical?
a)
Use the center of mass formula.
b)
Find the balance point.
c)
You can only estimate where the center of mass is.
d)
The center of mass is always in the middle.
56.
What is the definition of "weight"?
a)
measure of the force of gravity on your body
b)
the time it takes to get on a ride
c)
the amount of matter in an object
d)
the size of an object
57.
A measure of how much matter an object has is--
a)
weight
b)
gravity
c)
mass
d)
volume
58.
The weight of an object _________ as it moves away from the center of Earth.
a)
increases
b)
stays the same
c)
triples
d)
decreases
59.
The mass of an object ___________ as it moves away from the center of Earth
a)
stays the same
b)
decreases
c)
increases
d)
doubles
60.
Why would you weigh less on the moon compared to Earth?
a)
less air
b)
less sunlight
c)
more gravitational pull
d)
less gravitational pull
61.
An object with which of the following densities will float on water?
a)
0.7 g/cm3
b)
1.2 g/cm3
c)
3.5 g/cm3
d)
11.4 g/cm3
62.
Why do ice cubes float in a glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
63.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
64.
What is the density formula?
a)
mass x weight
b)
mass / volume
c)
mass x volume
d)
mass / weight
65.
A piece of copper has a mass of 89g and a volume of 10 cm3. What would be the density of the copper?
a)
0.89 g/cm3
b)
89 g/cm3
c)
8.9 g/cm3
d)
890 g/cm3
66.
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
67.
A scientist has four different liquids and pours them all into a bottle. The silver liquid sinks to the bottom, the red liquid settles on top of the silver one, and the pink liquid stays at the surface. Which liquid has the smallest density?
a)
the pink liquid
b)
the silver liquid
c)
the red liquid
d)
the water
68.
A brick sinks in water while a wooden block of the same size floats. This is because the brick has a
a)
lower volume than the wooden block
b)
lower density than the wooden block
c)
higher volume than the wooden block
d)
higher density than the wooden block
69.
Mercury is a metal that is liquid at room temperature and has a density of 13.5 g/cm3. Which of these metals would sink below the mercury if dropped into a container of mercury?
a)
gold (density=19.3 g/cm3)
b)
lead (density=11.4 g/cm3)
c)
iron (density=7.9g/cm3)
d)
aluminum (density=2.7g/cm3)
70.
The following liquids are poured together in a beaker: alcohol (density=0.79), corn syrup (density=1.38), water (density=1.0), and cooking oil (density=0.93). Which of these liquids will sink to the bottom of the beaker?
a)
alcohol
b)
corn syrup
c)
water
d)
cooking oil
71.
Which property of matter is determined by dividing its mass by its volume?
a)
elasticity
b)
buoyancy
c)
density
d)
viscosity
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