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Physical Science A Summer School Final

Total questions: 56

Worksheet time: 1hrs 28mins

Name
Class
Date
1.
Group in an experiment that is missing the independent variable but is the same as the experimental group in every other way.
a)
Scientific Method
b)
Single Variable
c)
Control
d)
Hyopthesis
2.
A factor being tested, the one factor that is different from all others in an experiment.
a)
Scientific Method
b)
Independent Variable
c)
Control
d)
Hypothesis
3.
In the scientific method scientists often educated guesses or?
a)
Variables
b)
Factors
c)
Hypothesis
d)
Conclusions
4.
Sometimes the scientific process must be repeated.
a)
True
b)
False
5.

Which of the following is NOT a characteristics of a hypothesis?

a)

Must be made with background knowledge

b)

Must be testable

c)

Must organizes the IV and DV

d)

Must always be correct

6.
In a hypothesis written in the "If, then" format, which variable comes first?
a)
Independent
b)
Dependent
7.
The step of the scientific method that would come after testing is:
a)
Inferencing
b)
Hypothesizing
c)
Peer Review
d)
Analyzing Data
8.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
9.
What would be the best unit of measurement to measure the length of a toothbrush?
a)
millimeters
b)
meters
c)
centimeters
d)
kilometers
10.

Convert 62 miles/hour to feet/second

a)

5,456 feet/second

b)

.003 feet/second

c)

90.9 feet/second

d)

909 feet/second

11.

40 ft = __________ inches

a)

400

b)

3.3

c)

480

d)

12

12.

Convert 3.5 gallons into cups. (1gal = 16cups)

a)

56 cups

b)

0.21875 cups

c)

19.5 cups

d)

48 cups

13.

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

a)

10 miles

b)

7 miles

c)

8 miles

d)

6 miles

14.

Billy runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Billy's distance?

a)

0 meters

b)

400 meters

c)

800 meters

d)

1600 meters

15.

Billy runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Billy's displacement?

a)

0 meters

b)

400 meters

c)

800 meters

d)

1600 meters

16.

In which section does the car have a positive velocity?

a)

a to b

b)

b to c

c)

c to d

d)

d to e

e)

f to g

17.
Acceleration occurs when an object changes its speed or ______.
a)
direction
b)
force
c)
inertia
d)
mass
18.
This graph demonstrates an object that is -
a)
Increasing speed
b)
At a constant speed
c)
Decreasing speed
d)
Stationary
19.
This graph demonstrates an object that is -
a)
Increasing speed
b)
At a constant speed
c)
Decreasing speed
d)
Stationary
20.
This graph demonstrates an object that is -
a)
Increasing speed
b)
At a constant speed
c)
Decreasing speed
d)
Stationary
21.
This graph demonstrates an object that is -
a)
Increasing speed away from the start
b)
Moving away from the start at a constant speed
c)
Decreasing speed toward the start
d)
Moving toward the start at a constant speed
22.
Which line represents an object moving at a faster speed?
a)
A
b)
B
23.
What is the speed of a car that travels 400 m in 20 minutes?
a)
20 miles/hr
b)
20 m/min
c)
800 m/min
d)
200 miles/hr
24.
What is the equation to calculate speed?
a)
speed = distance/time
b)
speed = time/distance
c)
speed = time x distance 
d)
speed = speed/time 
25.
A car travels 30 miles/hr for 3 hours, calculate the distance it will travel
a)
90 miles
b)
10 miles
c)
600 miles
d)
90 km
26.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
27.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
28.
65mi/hr South is an example of...
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
29.
Find the velocity of a plane that traveled 3000 miles west in 5 hours.
a)
65 mph west
b)
6 mph west
c)
600 mph west
d)
6000 mph west 
30.
A distance vs. time graph shows an object's
a)
frame of reference
b)
speed
c)
acceleration
d)
favorite food
31.
Why does a car accelerate as it round a corner at a constant speed?
a)
Its direction changes
b)
It doesn't
c)
It slows down
d)
Its speeds up  
32.

In each of the following cases, determine where the car has no acceleration?

a)

A car speeds up after a stoplight turns green.

b)

A car slows down as it approaches a red light

c)

A car with the cruise control set at 80 km/h going down a straight highway

d)

A car turning a curve at a constant speed

33.

The SI unit for acceleration is

a)

mph

b)

ft/sec

c)

m/s2

d)

m/s

34.
A negative acceleration means that your object is _____. 
a)
not accelerating
b)
not moving
c)
speeding up 
d)
slowing down 
35.
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.
a)
30 m/s
b)
24 m/s2
c)
9 m/s2
d)
81 km/hr
36.
A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
37.

The equation for acceleration is...

a)
b)
c)
d)
38.
The momentum of an object depends upon the object's ___________&_____________.  
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
39.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
40.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
41.

Two skaters begin at rest. Skater 1 has a smaller mass than Skater 2. After they push off each other,...

a)

Skater 1 experiences a greater change in momentum

b)

Skater 2 experiences a greater change in momentum

c)

Skater 1 has a greater speed than Skater 2

d)

Skater 1 experiences a greater force

42.

Which of the following has the MOST momentum?

a)

rolling ping-pong ball

b)

rolling bowling ball

c)

rolling soccer ball

d)

rolling basketball

43.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

44.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
45.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
46.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
47.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
48.
A force is a push or pull measured in what units? 
a)
Meters per second, squared
b)
Kilograms 
c)
Newtons 
49.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

50.

The factors on which friction depends

a)

nature of the surfaces

b)

how hard the objects are pressed together

c)

both (a) and (b)

d)

none of these

51.

A toy car released with the same initial speed will travel farthest on

a)

Muddy surface

b)

polished marble surface

c)

cement surface

d)

brick surface

52.

Friction can be increased by making the surface

a)

rough

b)

smooth

c)

does not depend on the nature of surface

d)

none of these

53.

In the figure a boy is seen pushing a box from right to left. The force of friction will act on the box

a)

from right to left

b)

from left to right

c)

vertically downwards

d)

vertically upwards

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. (inertia)
c)
For every action there is a equal and opposite  re-action.
d)
law of gravity 
55.

What is acceleration due to gravity on Earth?

a)

98 m/s2

b)

9.8 m/s2

c)

0.98 m/s2

56.

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

a)

Weight

b)

Gravity

c)

Mass

d)

Magnetism