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Scientists use many scientific methods to answer their questions about the natural world. True False 10 points QUESTION 2 Scientists ask questions based on the observations they hear about from others. True False 10 points QUESTION 3 An error in the preparation of a lab sample led Alexander Fleming to the discovery of the antibiotic penicillin. True False 10 points QUESTION 4 A hypothesis is an assumption about what will happen during an experiment or an observation. True False 10 points QUESTION 5 An experiment includes variables that are ALL kept constant. True False 10 points QUESTION 6 A well-designed experiment includes an experimental group and a control or baseline group. True False 10 points QUESTION 7 The variable group in an experiment gives you something to compare your experimental group to. True False 10 points QUESTION 8 To test their hypotheses, scientists perform carefully planned procedures called conclusions . True False 10 points QUESTION 9 Sometimes, however, scientists have no choice but to conclude that they haven't answered their question. They might need to collect more data, restate their hypothesis, or design a different experiment. True False 10 points QUESTION 10 Scientists communicate their findings so that others may restudy, improve, or expand them. True False

User Themaestro
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1 Answer

4 votes
1)true
2)false
3)true
4)true
5)false
6)true
7)false
8)false
9)true
10)true
User John Debs
by
7.9k points

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