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- 1. Multiple Choice
Experiment: How does the flavor of ice cream affect the speed of melting?
The flavor of ice cream is the ___________ variable.
independent
dependent
- 2. Multiple Choice
Experiment: Does changing the wing shape to make it more narrow affect the distance a paper airplane will fly?
The wing shape is the ___________ variable.
independent
dependent
- 3. Multiple ChoiceExperiment: How does watching TV during studying affect a student’s test grades?
The students grades are the ___________ variable.independentdependent - 4. Multiple ChoiceExperiment: Do roses grow more in height in partial or direct sunlight?
The growth height is the ____________ variable.independentdependent - 5. Multiple ChoiceExperiment: How does adding cardio to one’s daily schedule affect their heart rate?
The heart rate is the ________________ variable.independentdependent - 6. Multiple ChoiceThe independent variable is theone you measure.one you change.
- 7. Multiple ChoiceYou can have more than one independent variable in a controlled experiment.TrueFalse
- 8. Multiple ChoiceAn 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 ...The type of plantThe amount of sunlightThe type of musicThe type of liquid
- 9. Multiple Choice
A student wants to test how different amounts of UV light affect the growth of the bacteria, Staphylococcus aureus. She wants to grow the bacteria in petri dishes for her experiment. Which of the following variables should NOT be held constant in this experiment?
amount of UV light bacteria is exposed to
amount of time to grow bacteria
location of petri dishes while growing bacteria
type of bacteria (Staphylococcus aureus)
- 10. Multiple Choice
A student performed an experiment that tested how many days it takes different types of grass seed to grow to a height of two inches. Four types of grass seed were tested, and the student recorded the number of days for each type to grow. Use this information to answer the next question.
What should be held constant in this experiment?
amount of sunlight, amount of water, and type of soil
amount of sunlight
amount of water and type of soil
amount of water
- 11. Multiple Choice
A student is studying the effect of sunlight on plants. The student developed this hypothesis: Plants need light to make food and to grow properly. To conduct a controlled experiment, which method should she use?
Choose two identical plants; put one in the dark and one near sunlight; use the same amount of water; water both regularly
Choose a healthy plant; put it in a dark place; use clean water; water the plant regularly.
Choose two identical plants; put each in the dark for 12 hours and then light for 12 hours; use the same amount of water; water both regularly.
Choose three identical plants; put one in the dark, one near sunlight, and one in the shade, water only the plant in light.
- 12. Multiple Choice
A possible explanation for why something happens is called ___.
a variable
an experiment
a hypothesis
an assumption
- 13. Multiple ChoiceThe step by step directions of the experiment are found in the:hypothesisconclusionproceduredata table
- 14. Multiple ChoiceAnything in an experiment that can be changed.modelsvariablesexplanationqualitative data
- 15. Multiple Choice
The variables you keep the same in the experiment are called
independent variables
dependent variables
controlled variables
hypothesis
- 16. Multiple Choice
Which of the following is NOT a testable question?
How do rockets work?
Does fertilizer help plants grow bigger?
Does heart rate increase with exercise?
Does the freezing point of water change at different elevations?
- 17. Multiple Choice
What is the best way to collect and record data?
In a data table
On post-it notes
On scrap paper
interpretive dance
- 18. Multiple Choice
After the data is analyzed the hypothesis is stated as correct or incorrect in the __________
conclusion
experiment
hypothesis
table of contents
- 19. Multiple Choice
What step does every scientific experiment begin with?
hypothesis
question/problem
procedures
conclusion
- 20. Multiple ChoiceSquidward found new reeds to tryout for his clarinet. He used an APPLAUSOMETER to measure applause after playing Under the Sea with each reed. The results were put in the table.
What was the dependent variable?The SongThe ReedThe Applause - Answer choicesTagsAnswer choicesTags