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WorksheetsFinal Review (Physical Science)
Total questions: 50
Worksheet time: 50mins
Name
Class
Date
1.
What is the main focus of science?
a)
To understand the world/universe better
b)
To compete against religion and show there is no God
c)
To have fun
d)
To run experiments
2.
An organized process that uses observations and investigations to gain knowledge about how nature works
a)
Science
b)
Biology
c)
Physics
d)
Chemistry
3.
An organized set of investigation procedures designed to answer a question about nature.
a)
The scientific method
b)
Biology
c)
Technology
d)
Experiment
4.
The scientific method must be performed exactly the same way each time.
a)
True
b)
False
5.
You use a form of the scientific method in your everyday life.
a)
True
b)
False
6.
All science begins with a...
a)
Question
b)
Hypothesis
c)
Experiment
d)
Data
7.
A hypothesis is...
a)
a testable explanation of a question
b)
a random guess
c)
an experiment
d)
a question
8.
You notice that grass on the North side of the lawn is growing faster than grass on the South side. You ask the question: Why is the North grass growing faster?
What is a possible hypothesis for your question?
What is a possible hypothesis for your question?
a)
The grass in the North is getting more sunlight
b)
The grass in the North is growing 1 inch more than the grass in the South
c)
The grass in the South is shorter than the Grass in the North
d)
All of the above
9.
Do all hypotheses need to be tested with an experiment?
a)
Yes
b)
No, they can also be tested by making observations
10.
Why is it important to only change one variable at a time and keep every other variable constant?
a)
You won't be able to tell which variable is affecting your results
b)
You won't be able to collect any data
c)
It isn't important to keep other variables constant
d)
All of these
11.
An independent variable in an experiment is ________________________.
a)
The one thing that you control in the experiment between the different experimental groups.
b)
What you measure in the experiment.
c)
What makes your experiment different from other people’s experiment.
12.
The dependent variable in an experiment is ________________________.
a)
The one thing that you control in the experiment between the different experimental groups.
b)
What you measure in the experiment.
c)
What makes your experiment different from other people’s experiment.
13.
A control group is used for ...
a)
comparison of your data
b)
graphs
c)
hypotheses
d)
asking questions
14.
The use of science to create something that can be used by society.
a)
Technology
b)
Model
c)
Bias
d)
Experiment
15.
Exact, agreed-upon quantity used for comparison
a)
Standard
b)
Volume
c)
Density
d)
Gradation
16.
The measure of something from end to end
a)
Length
b)
Volume
c)
Mass
d)
Density
17.
Amount of space occupied by an object
a)
Length
b)
Volume
c)
Mass
d)
Density
18.
Amount of matter in an object
a)
Length
b)
Volume
c)
Mass
d)
Density
19.
Mass per unit volume of a material
a)
Length
b)
Volume
c)
Mass
d)
Density
20.
1 Meter = ______cm
a)
100
b)
10
c)
1
d)
1000
21.
1 cm = ________mm
a)
1
b)
100
c)
10
d)
1000
22.
1 L = _______ mL
a)
1
b)
10
c)
100
d)
1000
23.
9.2 Km = ______m
a)
92
b)
920
c)
0.92
d)
9200
24.
75.2 cm = ______m
a)
0.752
b)
7.52
c)
75.2
d)
752
25.
Convert 34 g to kg
a)
0.034
b)
340
c)
0.00034
d)
34
26.
The volume of water in a graduated cylinder in 12 mL. A marble is dropped in & the volume raises to 15 mL. What is the volume of the marble?
a)
3 mL
b)
12 mL
c)
15 mL
d)
27 mL
27.
What is the metric base unit for mass?
a)
Liters
b)
pounds
c)
grams
d)
meters
28.
What is the metric base unit for length?
a)
gram
b)
liter
c)
meter
d)
miles
29.
What is the metric base unit for volume?
a)
gram
b)
liter
c)
meter
d)
gallon
30.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
31.
Which box has a higher density?
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
32.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup
d)
plastic bottle
33.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
34.
Hannah and Alex rolled four different objects down a ramp. They measured the distance each object rolled and the time until each object came to a stop. They plotted each point and connected it with a line from origin of the graph. Which of the objects had the greatest average speed?
a)
object A
b)
object B
c)
object C
d)
object D
35.
The graph shows Ashley riding her bike to Maria's house.
What was occurring from point B to point C?
What was occurring from point B to point C?
a)
She was increasing her speed.
b)
She stopped for 4 minutes
c)
She was decreasing in speed
36.
The graph shows Ashley riding her bike to Maria's house.
What is occurring from point A to point B?
What is occurring from point A to point B?
a)
they are traveling at a constant speed
b)
they are decreasing in speed
c)
they stopped to take a break
37.
What is motion?
a)
change in position over time
b)
Force
c)
Work
d)
Motion
38.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
39.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
40.
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
41.
Which runner won the race?
a)
A
b)
B
c)
C
d)
It was a tie
42.
Which runner had a head start?
a)
A
b)
B
c)
C
d)
None of them
43.
What is the average speed of the person during the first 5 seconds?
a)
0 m/s
b)
1 m/s
c)
3 m/s
d)
6 m/s
44.
In each of the following cases, determine where the car has no acceleration ?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car moving down a ramp
45.
Acceleration: is the rate of change in ___________.
a)
speed
b)
distance
c)
velocity
d)
displacement
46.
Acceleration only takes place when things speed up.
a)
True
b)
False
47.
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)
It speeds up
48.
A car accelerates from a standstill to 70 m/s in 10 seconds. What is the acceleration?
a)
0.7m/s2
b)
7m/s2
c)
14m/s2
d)
none of the above
49.
A bicyclist begins moving with a velocity of 10 m/s and then decreases his velocity to 6 m/s in 2 seconds. What is the acceleration of the bicyclist?
a)
4 m/s2
b)
-4 m/s2
c)
2 m/s2
d)
-2 m/s2
50.
Which graph represents zero acceleration (constant velocity)?
a)
A
b)
B
c)
C
d)
D
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