Variables & experiment design
Before you read
Test yourself first: 5 questions
Question 1 of 5
A statement that describes a consistent pattern observed in nature is a scientific:
Answer: B. A scientific law describes what consistently happens; a theory explains why it happens.
Question 2 of 5
A hypothesis supported by a large body of evidence contributes to a scientific:
Answer: B. Well-supported hypotheses build into scientific theories — broad, tested explanations.
Question 3 of 5
Which is the correct sequence of the scientific method?
Answer: B. A common order is: question → hypothesis → experiment → analyze data → conclusion.
Question 4 of 5
In the scientific method, the step that comes right after forming a hypothesis is to:
Answer: B. After forming a testable hypothesis, you design and run an experiment to test it.
Question 5 of 5
A good scientific investigation should be able to be:
Answer: B. Reproducibility — others repeating and confirming results — is central to good science.
Keep the streak going with more questions like these, each with a full rationale.
