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