Savvas 8th Ch 1 L3 Designing an Experiment Quiz
star
star
star
star
star
Last updated over 2 years ago
10 questions
1
To test a hypothesis, a scientist purposely changes the dependent variable.
To test a hypothesis, a scientist purposely changes the dependent variable.
1
When drawing a conclusion, scientists examine the data to see if it supports or fails to support the hypothesis.
When drawing a conclusion, scientists examine the data to see if it supports or fails to support the hypothesis.
1
The factor that may change in a controlled experiment is the dependent variable.
The factor that may change in a controlled experiment is the dependent variable.
1
A helpful tool for keeping data organized during an experiment is a graph.
A helpful tool for keeping data organized during an experiment is a graph.
1
A hypothesis can be accepted as true after two repeated trials have been performed.
A hypothesis can be accepted as true after two repeated trials have been performed.
2
Posing a question is the first step in the _______ _______ process.
1
Accidentally having two or more variables that change in an experiment is one way to
introduce _______ to the experiment.
1
When scientists communicate results, they always include a description of procedure
so that other scientists can perform a _______ to evaluate the accuracy
of the results.
1
Scientists design controlled experiments to test a _______.
2
A _______ _______ is a generalization that uses logical reasoning to make sense of observations.