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Worksheets7-1.2 Testable Questions
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
BooBoo believes that his plants grow so well because he is always playing music in his room. What is a question he might ask to test this?
a)
Does music have an affect on plant growth?
b)
Which music groups like plants?
c)
Does plant growth make music sound better?
d)
Why do dying plants hate music?
2.
Which variable values should you know before you start an experiment?
a)
Dependent Variable
b)
Independent Variable
3.
Which variable values should be the same for all groups in the experiment?
a)
Controlled Variable
b)
Dependent Variable
c)
Independent Variable
4.
Which variable values should be chosen at the beginning of the experiment and be different for every group?
a)
Controlled Variable
b)
Dependent Variable
c)
Independent Variable
5.
Which variable values are unknown until after the experiment?
a)
Controlled Variable
b)
Dependent Variable
c)
Independent Variable
6.
Which variable values do you have control over in an experiment, meaning you can decide what they are ahead of time?
a)
Dependent Variable
b)
Independent Variable
7.
Which variable do you test (the effects of) in a scientific investigation? Hint: This is the same variable that you will change for every group.
a)
Controlled Variable
b)
Dependent Variable
c)
Independent Variable
8.
In a cause-effect experiment, which variable is considered to be the "cause?"
a)
Controlled Variable
b)
Dependent Variable
c)
Independent Variable
9.
In a cause-effect experiment, which variable is considered to be the "effect?"
a)
Controlled Variable
b)
Dependent Variable
c)
Independent Variable
10.
In an experiment, which variable should affect all groups the same way?
a)
Controlled Variable
b)
Dependent Variable
c)
Independent Variable
11.
What would be an independent variable in an experiment where the testable question is, "Which paper towel brand is the strongest?"
a)
brand of paper towel
b)
amount of weight placed on each towel
c)
number of times each brand is tested
d)
strength of the paper towel
12.
What would be a dependent variable in an experiment where the testable question is, "What level of salt works best to hatch brine shrimp?"
a)
The number of brine shrimp eggs placed in each salt solution
b)
The amount of salt used in each solution
c)
The number of brine shrimp that hatch in each solution
d)
The temperature of each salt solution
13.
The size of the plant would be the dependent variable for an experiment for which of the following testable questions?
a)
What light brightness makes plants grow the largest?
b)
Does plant size affect the amount of carbon dioxide that is absorbed?
c)
Which fertilizer makes plants grow the fastest?
d)
Which types of plants will die in mercury-polluted soil?
14.
A testable question is, "How does the amount of exercise affect heart rate and breathing rate?" Which is the controlled variable?
a)
amount of exercise
b)
breathing rate
c)
heart rate
d)
temperature of the room
15.
A testable question is, "How does the amount of sand in soil affect permeability of the soil?" Which is the controlled variable?
a)
amount of sand in each soil mixture
b)
permeability of each soil mixture
c)
amount of water poured on each soil mixture
d)
time that it takes for the water to drain through each soil mixture
16.
Which of the following could be a valid hypothesis for the following testable question? "What brand of bubble gum produces the biggest bubbles?"
a)
All brands of bubble gum produce the same size bubbles.
b)
Males and females blow the same size gum bubbles.
c)
Gum chewed for a long time produces larger bubbles than gum chewed for short periods.
d)
Bubble gum with sugar will produce larger bubbles than regular sugar-free chewing gum.
17.
Which of the following would be a valid hypothesis for the testable question, "Does having worms in soil help plants grow faster?"
a)
If plants grow fast, then will be more worms will move to that soil.
b)
If there are worms in the soil, then plants will grow slower.
c)
If fertilizer is added to soil, then the worms will die.
d)
If plants are removed from the soil, then the worms will not be affected.
18.
For which testable question is the following hypothesis valid?
"Increasing the amount of salt will not affect the boiling point of water."
"Increasing the amount of salt will not affect the boiling point of water."
a)
Does salt increase the boiling point of water?
b)
How much salt is in ocean water?
c)
How does the boiling point of salt water compare to the boiling point of cooking oil?
d)
Will salt water become more salty if you boil it?
19.
A testable question is, "How does the amount of sugar in homemade ice cream affect how fast it freezes?"
All of the following could be valid hypotheses except
All of the following could be valid hypotheses except
a)
Ice cream with sugar added will be less creamy.
b)
Sugar will make ice cream freeze faster.
c)
If sugar is added to ice cream, then the ice cream will freeze more slowly.
d)
The time it takes for ice cream to freeze is not affected by sugar added to it.
20.
Kay Kay believes that studying is for suckers. What would be a testable question to test whether studying is worth wasting all that valuable time?
a)
How many people agree that studying is for suckers?
b)
How does the amount of time spent studying affect test grades?
c)
What do cool people like me do in their spare time?
d)
Which class do kids cheat in the most?
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