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