Unit 1 Quiz Review

1. Why do scientists use the scientific method? A. It is a logical and rational order of steps by which scientists come to conclusions about the world around them B. It helps to organize thoughts and procedures so that scientists can be confident in the answers they find. C. All of the above

2. Which of the below shows the steps of the scientific method in the correct order? A. Ask a question/identify the problem, Observations/Research, Test the hypothesis, Form a hypothesis, Communicate results. B. Observations /Research, Ask a question / identify the problem to be solved, Form a hypothesis, Test the Hypothesis, Communicate results C. None of the above

3. Identify the cause and effect: The boy ate so much candy, he felt sick. A. Cause: ate candy Effect: felt sick B. Cause: felt sick Effect: ate candy C. None of the above

4. Identify the cause and effect: The girl put on a coat because the air got cold. A. Cause: put coat on Effect: air got cold B. Cause: air got cold Effect: put coat on C. None of the above

5. Which is the correct format for writing a testable question? A. How does _____IV____ affect DV ? B. If ____IV__ (increases/decreases) then DV will increase/decrease/stay the same because… C. None of the above

6. Which is the correct format for writing a hypothesis? A. How does _____IV____ affect DV ? B. If ____IV__ (increases/decreases) then DV will increase/decrease/stay the same because… C. None of the above

7. Identify the IV and DV in the following: How does humidity affect temperature? A. IV: temperature DV: humidity B. IV: humidity DV: temperature C. None of the above

8. Identify the IV and DV in the following: If the music is loud then I will not sleep because it is disruptive. A. IV: music level DV: amount of sleep B. IV: amount of sleep DV: music level C. None of the above

9. Identify the IV and DV in the following: A. IV: time studied DV: test score B. IV: test score DV: time studied C. None of the above Time studied (hours) Test score (%)