110 likes | 206 Views
v.2 TGIFriday Quiz #1. You have approximately 20 minutes to take the quiz. ABSOLUTELY NO TALKING OR LEAVING YOUR DESK ONCE SEATED. 1. The steps in the scientific investigation must…. A. follow exactly the same sequence. B. begin with a hypothesis C. include the development of a theory.
E N D
v.2 TGIFriday Quiz #1 You have approximately 20 minutes to take the quiz. ABSOLUTELY NO TALKING OR LEAVING YOUR DESK ONCE SEATED.
1. The steps in the scientific investigation must… • A. follow exactly the same sequence. • B. begin with a hypothesis • C. include the development of a theory. • D. be performed in a logical sequence.
2. What is a standard used for comparison called? • A. Constant(s) • B. Control(s) • C. Scientific Method(s) • D. Science
3. What is an educated statement that could be tested called? • A. Observation(s) • B. Science • C. Hypothesis • D. Scientific Method(s)
4. Which variable could be measured during an experiment? • A. Independent Variable • B. Dependent Variable • C. Control • D. Constant
5. What process refers to the step-by-step nature in which scientists solve problems? • A. Observations • B. Scientific discussion • C. Scientific Method(s) • D. Inference(s)
6. Directions: Read the statement below and decide whether it is an inference or observation. • The plant on the left has been growing more because it received more water. • A. INFERENCE • B. OBSERVATION
7. Directions: Read the statement below and decide whether it is an inference or observation. • The caterpillar did not eat the moth because it is not a carnivore. • A. INFERENCE • B. OBSERVATION
8. Which is not a step in the scientific method? • A. Stating a problem • B. experimentation • C. Identification of variables • D. Hypothesis • E. Analyzing Data
9. Which variable could be changed by the experimenter? • A. Independent Variable • B. Dependent Variable • C. Control • D. None of the above
10. Identify which step in the scientific method each sentence refers to. (Example: A = Observation) 2 points eachWord bank: Experiment, Hypothesis, Observation, Data, Question, Conclusion • A._QUESTION_Why does a bag of bread mold faster when opened and left in room temperature? • B._CONCLUSION_ As predicted in the hypothesis, the cooler environment of the refrigerator impeded the growth of mold on the opened loaf of bread. • C._HYPOTHESIS_ If the cold environment of the refrigerator is cold enough, then it will slow the growth of mold on the bread. • D._OBSERVATION_ You notice an opened bag of bread has mold in it, it is only 6 days old. You research information on mold. • E._DATA_ After 3 weeks there is no visible mold present on the refrigerated open loaf of bread. However, you record that the room temperature loaf is beginning to mold on the edges and on the bottom of the loaf. • F._EXPERIMENT_ Set up two groups. One opened refrigerated loaf of bread and one opened room temperature loaf of bread. Monitor for 2-3 weeks recording every two days your observations of each loaf.