Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Scientific Variables
Test Description: Analyzing scientific experiments to identify the variables.
Instructions: Answer all questions to get your test result.
1) A good experiment has ____ independent variable(s).
A
2
B
None of the above
C
1
D
10
2) The variable the scientist is manipulating during and experiment is the _________ variable in an experiment.
A
dependent
B
controlled
C
most awesome
D
independent
3) Variables that are kept constand during an experimental trial are called ___________ variables.
A
none of the above
B
independent
C
control
D
dependent
4) Students of different ages were given the same jigsaw puzzle to put together. They were timed to see how long it took to finish the puzzle. What is the IV?
A
different ages of students
B
there is no IV in this experiment
C
number of students
D
time to finish puzzle
5) The higher the temperature of water, the faster an egg will boil. What would be the controlled variable(s) in this experiment?
A
size of pot used to boil water
B
all of the above
C
size of eggs used
D
heat source used to boil water
6) The temperature of water was measured at different depths of a pond. What is the DV in this experiment?
A
temperature
B
thermometer
C
depth
D
I like water
7) An investigation was done with an electromagnetic system made from a battery and wire wrapped around a nail. Different sizes of nails were used. The number of paper clips the electromagnet could pick up was measured. What is the IV?
A
size of nail
B
type of magnet
C
strength of magnet
D
# of paperclips
8) The dependent variable is the variable that is being _____________ in an experiment.
A
controlled
B
changed by the scientist
C
measured
D
none of the above
9) An investigation was done with an electromagnetic system made from a battery and wire wrapped around a nail. Different sizes of nails were used. The number of paper clips the electromagnet could pick up was measured. What is theDV?
A
# of paperclips
B
type of magnet
C
strength of magnet
D
size of nail
10) The temperature of water was measured at different depths of a pond. What is the IV in this experiment?
A
depth
B
temperature
C
thermometer
D
I really like ponds
11) A student wanted to test what milk kittens like. She sat out skim milk in the same place on the same day for 5 kittens and measured how much they drank. What did she do wrong?
A
She had no dependent variable.
B
She should have only tested 1 cat at a time.
C
She had no independent variable.
D
There was nothing wrong with her experiment.
12) An experiment for a new asthm a med was set up. Group one was given the new drug for asthma, while group 2 was given a sugar pill. The sugar pill serves as the _____.
A
dependent variable
B
control
C
constant variable
D
independent variable
13) What happens to the dependent variable in a controlled experiment?
A
It does not change
B
It changes as the independent variable changes.
C
It changes as the responding variable changes.
D
It is supported or disproved.
14) A student wants to conduct an experiment to find out how pulse rates changes as the length of time spent exercising increases. The dependent variable will be
A
time exercising
B
pulse rate
C
breathing rate
D
type of exercise
15) In an experiment studying how increasing amounts of acid rain affect pond w a ter, which of the following would be the dependent variable?
A
number of organisms in the pond water
B
amount of acid in the rain
C
mixture of pond and acid
D
organisms in rainwater
16) A well controlled experiment should be __________. Meaning that other scientists should get the same results.
A
reconstructed
B
rewarded
C
replicated
D
rejected
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?