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WorksheetsVariables
Total questions: 50
Worksheet time: 3hrs 52mins
Name
Class
Date
1.
Mr. Taylor wanted to see if his students would solve math problems faster if they used calculators. Two of his classes were tested to compare their speed doing math problems. Each class was given the same problems. One class used calculators and the other class did not use calculators. Identify the control group.
a)
The class that used calculators
b)
The class that did not use calculators
2.
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, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
3.
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 are the constants?
a)
Type of plant, music, and sunlight
b)
Water, apple juice, milk
c)
Plant growth
4.
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 dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
5.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
6.
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
7.
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
8.
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is a constant in this lab?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
9.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her backyard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the independent variable?
What is the independent variable?
a)
Red birdfeeders
b)
Placement of birdfeeders
c)
Amount of seed
10.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her backyard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is one constant?
What is one constant?
a)
Location of bird feeder
b)
Amount of birdseed eaten
c)
Type of birdseed
11.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her backyard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the dependent variable?
What is the dependent variable?
a)
Length of the birdfeeders
b)
Amount of time feeders are outside
c)
Amount of seed eaten
12.
Find the IV: You experiment to find out if you can blow bigger bubbles when it is hot outside or when it is cold outside.
a)
bubble blowing technique
b)
Type of bubble juice
c)
Size of bubbles
d)
Temperature
13.
Find the DV: You experiment to find out if you can blow bigger bubbles when it is hot outside or when it is cold outside.
a)
bubble blowing technique
b)
Type of bubble juice
c)
Size of bubbles
d)
Temperature
14.
Find the IV: You experiment to discover if your pulse rate is affected by caffeine
a)
Pulse rate
b)
Temperature of room
c)
Amount of caffeine
d)
Amount of exercise
15.
Find the DV: You experiment to discover if your pulse rate is affected by caffeine
a)
Pulse rate
b)
Temperature of room
c)
Amount of caffeine
d)
Amount of exercise
16.
Find the IV: You experiment to see if the type of liquid changes how fast it can drain out of the tornado tube
a)
Amount of liquid
b)
Type of liquid
c)
Technique of swirl
d)
Speed to drain
17.
Find the DV: You experiment to see if the type of liquid changes how fast it can drain out of the tornado tube
a)
Amount of liquid
b)
Type of liquid
c)
Technique of swirl
d)
Speed to drain
18.
Mrs. Martin uses a new spray cleaner to remove green slime left by students on the lab tables. Identify the dependent variable
a)
type of cleaner
b)
the new cleaner
c)
the old cleaner
d)
the effect of the cleaners
19.
Mrs. Martin uses a new spray cleaner to remove the green slime left by students on the tables. Identify the independent variable.
a)
type of cleaner
b)
the new cleaner
c)
the green slime
d)
the effect of the cleaner
20.
The independent variable is what is being ________ or ________.
a)
changed, measured
b)
changed, tested
c)
measured, observed
d)
measured, tested
21.
The dependent variable is what is being ________ or ________.
a)
changed, measured
b)
changed, tested
c)
measured, observed
d)
measured, tested
22.
A constant is another name for a(n) _______ variable.
a)
independent
b)
dependent
c)
control
23.
The _______ group is the part of the experiment that DOES contain the variable being tested.
a)
experimental
b)
control
24.
The _______ group is the part of the experiment that DOES NOT contain the variable being tested.
a)
experimental
b)
control
25.
The independent variable is also known as the ________ variable.
a)
responding
b)
manipulated
26.
Which variable stays the same for each test in an experiment?
a)
Dependent
b)
Independent
c)
Control
27.
Which variable is measured in an experiment?
a)
Dependent
b)
Independent
c)
Control
28.
Which variable is the one that is changed in an experiment?
a)
Dependent
b)
Independent
c)
Control
29.
The dependent variable is also known as the ________ variable.
a)
responding
b)
manipulated
30.
An experiment for a new asthma medication was set up into two groups. Group one was given the new drug for asthma, while group two was given a sugar pill. Which group is the control group?
a)
Group one
b)
Group two
31.
An experiment for a new asthma medication was set up into two groups. Group one was given the new drug for asthma, while group two was given a sugar pill. Which group is the experimental group?
a)
Group one
b)
Group two
32.
How many independent variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
33.
The variable that depends on changes to the independent variable.
a)
control group
b)
dependent variable
c)
experimental variable
d)
independent variable
34.
If you were testing how well different dish soaps cleaned grease, the independent (experimental) variable would be the:
a)
dishes type
b)
amount of water
c)
dish soap type
d)
grease type
35.
The variable in an experiment intentionally changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
36.
What is the independent variable in this question?
What affect will the shape of the airplane's nose have on the distance it flies?
What affect will the shape of the airplane's nose have on the distance it flies?
a)
shape of nose
b)
distance it flies
37.
What is the effect of salt water on the average of the height of the 3 tallest blades of grass?
What is the independent variable in the above question?
What is the independent variable in the above question?
a)
salt water
b)
height
c)
average
d)
effect
38.
What is the effect of salt water on the average of the height of 3 tallest blades of grass?
What is the dependent variable in the above question?
What is the dependent variable in the above question?
a)
the salt water
b)
effect
c)
average of the 3 tallest blades of grass
d)
number of blades of grass
39.
You can have more than one independent variable in a controlled experiment.
a)
True
b)
False
40.
What is the dependent variable in this question?
What affect will the shape of the airplane's nose have on the distance it flies?
What affect will the shape of the airplane's nose have on the distance it flies?
a)
hang time
b)
distance
41.
What is the dependent variable in this question?
What affect will the shape of the airplane's nose have on the distance it flies?
What affect will the shape of the airplane's nose have on the distance it flies?
a)
hang time
b)
distance
42.
Mr. Taylor wanted to see if his students would solve math problems faster if they used calculators. Two of his classes were tested to compare their speed doing math problems. Each class was given the same problems. One class used calculators and the other class did not use calculators. Identify the experimental group.
a)
The class that used calculators
b)
The class that did not use calculators
43.
Mr. Williamson wants to check the effect of a low protein diet on mice. He divides 100 mice of the same age, size, health and gender into two groups of fifty and keeps them under identical conditions. One group receives a low protein diet and the other group receives a normal protein diet. Their daily weights are recorded over a period of seven days. Identify the control group.
a)
The mice receiving a low protein diet
b)
The mice receiving a normal protein diet
44.
Mr. Williamson wants to check the effect of a low protein diet on mice. He divides 100 mice of the same age, size, health and gender into two groups of fifty and keeps them under identical conditions. One group receives a low protein diet and the other group receives a normal protein diet. Their daily weights are recorded over a period of seven days. Identify the experimental group.
a)
The mice receiving a low protein diet
b)
The mice receiving a normal protein diet
45.
The purpose of having controlled variables in an experiment is to keep the experiment ______.
a)
fun
b)
friendly
c)
fair
46.
Mr. Goncalves wants to see if wearing hats will have an effect on student test scores. The students on the Oracle and Discovery team each wear a hat to school, while the students on the Titan and Gemini team do not. The students on each team are given the same test to take at the same time during the school day. Which teams are in the experimental group?
a)
Oracle and Discovery
b)
Titan and Gemini
47.
Mr. Goncalves wants to see if wearing hats will have an effect on student test scores. The students on the Oracle and Discovery team each wear a hat to school, while the students on the Titan and Gemini team do not. The students on each team are given the same test to take at the same time during the school day. Which teams are in the control group?
a)
Oracle and Discovery
b)
Titan and Gemini
48.
The ladies serving lunch are excited about a new chocolate chip cookie being offered at McCall. They give half of the 6th graders the new cookie to try. The other half of the 6th graders think they are getting the new cookie, but they are actually getting a cookie that has already been served at McCall. It looks just like the new cookie. Which students are in the experimental group?
a)
The 6th graders that are eating the new cookie
b)
The 6th graders that are not eating the new cookie
49.
The ladies serving lunch are excited about a new chocolate chip cookie being offered at McCall. They give half of the 6th graders the new cookie to try. The other half of the 6th graders think they are getting the new cookie, but they are actually getting a cookie that has already been served at McCall. It looks just like the new cookie. Which students are in the control group?
a)
The 6th graders that are eating the new cookie
b)
The 6th graders that are not eating the new cookie
50.
Which variable can the scientist NOT control?
a)
independent
b)
dependent
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