The Scientific Method
Authored by Amanda Duke
Science
9th - 12th Grade
NGSS covered
Used 11+ times
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25 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which steps are important when designing and conducting a scientific experiment?
Hide the results from fellow scientists.
Identify the independent variable.
Eliminate all dependent variables.
Address any confounding variables.
Form a non-falsifiable hypothesis.
Tags
NGSS.HS-LS1-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a scientific theory?
a reasonable guess based on instinct
an imaginative idea explaining natural phenomena
a broad, evidence-based explanation for a phenomenon
a tentative statement with little or no predictive power
Answer explanation
A theory EXPLAINS the HOW and WHY of something.
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Hakeem is testing the effects of sunlight on samples of soil. Which of these actions would introduce confounding variables into Hakeem’s experiment?
He tests a theory that’s already been established.
He tests multiple hypotheses at a time.
He uses identical specimens when completing multiple trials.
He adjusts the independent variable and records the effects.
He uses different types of soil in each of his samples.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why is this statement not a hypothesis?
Sunflowers require soil and plenty of sunlight and water to grow and thrive.
It is a well-known fact.
It is a proven theory.
It is not falsifiable.
It is difficult to test.
Answer explanation
a hypothesis is a proposed explanation for an occurrence based on available data, observations, or evidence
Tags
NGSS.HS-LS1-3
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
When Raymond observes certain natural phenomena, he often forms ideas about their causes and effects. Suppose that Raymond surmises that leaves change color in autumn due to scarcity of sunlight. In order to test whether his idea is accurate, he must first construct a falsifiable ____________ that defines a clear relationship between two variables.
theory
law
hypothesis
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
After constructing a falsifiable hypothesis, Raymond’s next step is to ____________ that would isolate and test the relationship between the two variables.
design an experiment
complete mathematical calculations
propose an explanation
Tags
NGSS.HS-PS3-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The task of designing an experiment can be pretty daunting because Raymond will need to identify and eliminate any __________ variables that could confuse test results.
dependent
confounding
independent
Answer explanation
Confounding Variable: an additional variable, aside from the independent and dependent variables, that may influence the outcome of an experiment.
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