Fusion 1.2.3 Question Preview (ID: 47939)
Review For Unit 1, Lessons 2 And 3.
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What do we call the steps a scientist follows during an experiment?
a) conclusion
b) evidence
c) procedures
d) hypothesis
What do we call any condition within an experiment that can be changed?
a) control
b) variable
c) theory
d) research
What should you do if you want your friends to believe a statement you make?
a) ask a question you can test
b) gather evidence to support it
c) make a prediction
d) collect information about your friends
Which of the following could be an investigation that could use a model?
a) whether a new spray could repel mosquitos
b) how much water a cubic meter of sand can hold
c) how many times per day a robin leaves its nest
d) how much weight a new bridge can support
Rosa conducts an experiment. Her results do not support her hypothesis. What should she do?
a) change her results to support her hypothesis
b) repeat the experiment to check for errors
c) make an experiment that will give her the results she wants
d) discard the data because it doesn't agree with the hypothesis
A hypothesis must be testable. Which hypothesis is testable?
a) Blue is the best color.
b) Dogs are better than cats.
c) Summer is nicer than fall.
d) A beagle can jump higher than a Persian cat.
What is a reasonable prediction to make from a line graph, measuring the number of field mice, whose line is continuously going up?
a) the number of mice will level off
b) the number of mice will drop
c) the number of mice will continue to increase
d) the future mouse population can't be estimated
Which statement is true of the scientific method from your study guide?
a) the results should not be communicated if you don't like them
b) it is the only one that scientists use
c) it lists each step according to importance
d) it should be considered a flexible guide
What are meteorologists doing when they create a storm track?
a) predicting
b) gathering information about the strength of a hurricane
c) testing their ideas
d) explaining how a hurricane develops
Whatever scientific method is used; scientists will have results they can use to ___________.
a) create an investigation
b) conduct an experiment
c) ask a question
d) draw conclusions
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