WorksheetsFinal Exam Review Sp 2019
Total questions: 77
Worksheet time: 2hrs 34mins
Name
Class
Date
1.
When making an observation, you must use...
a)
Only Sight
b)
Smell & Touch
c)
ALL 5 Senses
d)
Only Taste
2.
During this step of the scientific method, a scientist would gather background information.
a)
Hypothesis
b)
Research
c)
Observation
d)
Experiment
3.
This step of the scientific method is an educated guess or a prediction.
a)
Hypothesis
b)
Research
c)
Observation
d)
Conclusion
4.
Which one is an example of Qualitative Data?
a)
25 Pounds
b)
30 Seconds
c)
2 Meters
d)
Soft
5.
Which is an example of Quantitative Data?
a)
42 grams
b)
Hard
c)
Squishy
d)
Blue
6.
The independent variable is what you _______ during an experiment.
a)
change
b)
do not change
c)
measure
d)
count
7.
The dependent variable in an experiment is what you ________________.
a)
Change
b)
Measure
8.
This is the group that we will compare our experimental group to. This group stays "normal."
a)
Control Group
b)
Experimental Group
c)
Normal Group
d)
Weird Group
9.
This is the group that is affected by the independent variable or the group that is changed.
a)
Control Group
b)
Experimental Group
c)
Changed Group
d)
Cool Group
10.
After you write your conclusion, it is important to share your results with others.
a)
True
b)
False
11.
The graph below shows atmospheric carbon dioxide levels since the year 1880.Which of the following conclusions can be drawn from this graph
a)
Atmospheric carbon dioxide levels are responsible for global temperature change.
b)
Atmospheric carbon dioxide levels have been rising at about the same rate for the past century.
c)
Atmospheric carbon dioxide levels have remained the same over the past century.
d)
Atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed.
12.
In order to be accepted, a scientific theory must be
a)
widely tested and supported by extensive data
b)
based on the results of a single experiment
c)
controversial and cause debate
d)
in line with all previous historical ideas
13.
An experiment was carried out to determine whether drinking caffeinated soda increases pulse rate. The pulse rates of two groups of people at rest were measured. Group A was then given caffeinated soda and group B was given caffeine-free soda. One hour after drinking the soda, the pulse rates were measured. The participants in the experiment were all the same age, and they were all given the same amount of soda. The dependent variable in this experiment is the
a)
type of soda given to each group
b)
amount of soda given to each group
c)
pulse rate of each group
d)
age of participants in each group
14.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
15.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
conclusion
b)
data
c)
variables
d)
hypothesis
16.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False
17.
If I listen to Mr. Castro's instructions, then I will have less accidents in the lab. What is the independent variable?
a)
Yes
b)
Maybe
c)
Listening or not listening to instructions
d)
Likelihood of having an accident in lab
18.
Explaining the color of a chemical would be what kind of observation?
a)
Qualitative
b)
Quanitative
19.
Which of the following would be considered quantitative data?
a)
Color
b)
Smell
c)
6.84 cm
d)
texture
20.
You should never ______ chemicals in the lab.
a)
taste
b)
touch
c)
smell
d)
all of the above
21.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
22.
When should you look over the experiment instructions?
a)
After starting the lab
b)
When your teacher tells you to
c)
Before starting the lab
d)
It doesn't really matter. Instructions are silly!
23.
Which of the following are examples of dressing appropriately in the lab?
a)
Pulling long hair back
b)
Leaving long hair down to get in the chemicals.
c)
Wearing sandals
24.
Every morning, Tom walks along a straight road from his home to the bus stop. Below, is a graph representing Tom’s trip to school.
- Was Tom walking, jogging, or sprinting during segment 1, which is between 0 seconds and 50 seconds?
- Was Tom walking, jogging, or sprinting during segment 1, which is between 0 seconds and 50 seconds?
a)
walking
b)
jogging
c)
sprinting
25.
Describe the situation.
a)
The volume of the balloon increases at a constant rate, then stays constant, then increases, then constant, and increases at a constant rate.
b)
The volume of the balloon increase at a constant rate, decreases, then stays constant, then increases, then constant, and increases at a constant rate.
26.
A graph of an experiment results is shown below. What can be concluded from the results?
a)
There is no apparent relationship between heart rate and respiratory rate.
b)
An increase in heart rate correlates with a decrease in respiratory rate.
c)
Both heart rate and respiratory rate increased over time.
d)
There is no apparent relationship between exercise and heart rate.
27.
Mr. Swanson's science class used a thermometer to measure the outside temperature each day throughout the school year. They used their results to make the graph below. Which month had an average daily temperature of around 41 degrees?
a)
May
b)
April
c)
December
d)
March
28.
Study the bar graph. Which city has shown the slowest population growth since 1950?
a)
City A
b)
City B
c)
City C
d)
City D
29.
Coach Newman has been keeping a record of the temperature in his classroom in the chart above. What is the difference between the temperature at 8 am and the temperature at 1 pm?
a)
3 degrees
b)
11 degrees
c)
0 degrees
d)
5 degrees
30.
According to the graph, which animal has a life span that is longer than a giraffe's but shorter than a lion's?
a)
Tiger
b)
Chipmunk
c)
Camel
d)
Mouse
31.
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
32.
A can of Coke will sink in a bowl of water. A can of Diet Coke will float in a bowl of water. What does this tell you about the density of the Diet Coke?
a)
it is bigger than 1
b)
it is smaller than 1
c)
it is equal to 1
d)
it is equal to -1
33.
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
34.
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
35.
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
36.
If the blue liquid is water, which object is the SAME density as the water?
a)
white ping pong ball
b)
green sponge
c)
blue marble
d)
black rock
37.
Which method of measuring volume would be BEST to use if measuring an odd-shaped object?
a)
Measure its water displacement.
b)
Measure it in a graduated cylinder.
c)
Use a ruler to measure length X width X height.
38.
Which method of measuring volume would be BEST to use if measuring a rectangular prism?
a)
Measure its water displacement.
b)
Measure it in a graduated cylinder.
c)
Use a ruler to measure length X width X height.
39.
Which measuring tool could be used to measure the mass of a substance?
a)
a syringe
b)
a digital scale
c)
a graduated cylinder
d)
a measuring tape
40.
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
41.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
42.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
43.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
44.
Find the volume
a)
1120 ft2
b)
2011 ft2
c)
120 ft3
d)
1120 ft3
45.
Which box has a higher density?
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
46.
The density of this material is 2 g/cm3.
There are 24 cm3 Find the total mass.
There are 24 cm3 Find the total mass.
a)
12 grams
b)
48 grams
c)
12 g/cm3
d)
48 g/cm3
47.
What is the volume of the fish?
a)
18.0 cm3
b)
6.0 cm3
c)
38.0 cm3
d)
32.0 mL
48.
A state of matter that has a definite shape and a definite volume.
a)
solid
b)
liquid
c)
gas
d)
plasma
49.
_______ is anything that has mass and takes up space
a)
Matter
b)
Mass
c)
Relative density
d)
A property
50.
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
51.
The density of a substance is 2.6 g/mL. If you cut it and half, what is the density of one of the halves?
a)
the same
b)
1.3g/mL
c)
5.2g/mL
d)
None of the above is correct
52.
The density of a substance is 6.5 g/mL. Which of the following substances would float in this liquid?
a)
7.0g/mL
b)
7.9g/mL
c)
10.0g/mL
d)
5.6g/mL
53.
You are doing an experiment recording the growth of plants under different amounts of sunlight. What is the dependent variable?
a)
The sunlight
b)
The growth
c)
The experiment
d)
The amounts of photons
54.
A variable that never changes is known as a
a)
constant
b)
independent variable
c)
dependent variable
d)
control
55.
"Will ice melt faster in salt water?", is an example of a
a)
Hypothesis
b)
Question
c)
Dependent variable
d)
Control
56.
What is the independent variable for the hypothesis: If ice melts in salt & fresh water, then it will melt faster in salt water.
a)
The amount of water
b)
The melt time
c)
The size of the ice cube
d)
The amount of salt
57.
What is the dependent variable for the hypothesis: If ice melts in salt & fresh water, then it will melt faster in salt water.
a)
The melt time
b)
The amount of salt
c)
The fresh water
d)
The size of the beaker
58.
What is a constant variable for the hypothesis: If ice melts in salt & fresh water, then it will melt faster in salt water.
a)
The amount of salt
b)
The melt Time
c)
The fresh water.
d)
The temperature of the water
59.
How many manipulated variables does an experiment have?
a)
0
b)
1
c)
between 1 and 5
d)
as many as needed
60.
The leaves on the plant are turning brown.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
61.
The plant has grown 4 cm since yesterday.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
62.
There are 16 red marbles in the bag.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
63.
There are 15 boys and 17 girls.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
64.
The barn contains pigs, cows, and horses.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
65.
How do plants grow?
a)
Testable
b)
Nontestable
66.
What amount of sunlight is best to grow daffodils?
a)
Testable
b)
Nontestable
67.
What makes something sink or float?
a)
testable
b)
nontestable
68.
What happens when something freezes?
a)
testable
b)
nontestable
69.
How does the surface on which a car moves affect how fast it goes?
a)
testable
b)
nontestable
70.
What do birds eat?
a)
testable
b)
nontestable
71.
Which variable is the one you use to compare all your data to? (Tells you that your data is correct)
a)
Independent
b)
Dependent
c)
Constant
d)
Control
72.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
73.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the independent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
74.
Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his dependent variable?
a)
Type of reward
b)
Praise
c)
Type of dog
d)
Amount of time the dog follows commands
75.
Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his independent variable?
a)
Type of reward
b)
Praise
c)
Walking
d)
Amount of time the dog follows commands
76.
Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the constant.
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
weight of the ball
77.
An experiment should have at least ______ trials.
a)
one
b)
two
c)
three
d)
four
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