Scientific Method
Observations and inferences
Independent and dependent variables
Vocabulary
Graphing
100
What is the first step of the scientific method?
Ask a testable question (based on an observation)
100
What is the definition of an observation?
Using your senses to collect information
100
What is CHANGED in an experiment is called the ____.
Independent variable
100
An educated guess that you can test about what the outcome to a question will be.
Hypothesis
100
The horizontal line on a graph is called the _____
X-axis
200
What should you do AFTER collecting data?
Analyze data
200
What is the definition of inference?
Making a guess based on an observation
200
What is MEASURED in an experiment is the _____.
dependent variable
200
List the three branches of science
Life science, Physical science, Earth science
200
The vertical line on a graph is called the ______
Y-axis
300
True or False: You test your question with an experiment
FALSE- You test you HYPOTHESIS with an experiment
300
Find the observation AND inference: 'Lydia studied for 4 hours, she will do well on her test'.
Observation: Lydia studied for 4 hours Inference: She will do well on her test
300
What is the independent variable in the following scenario: I am testing which brand of paper towels will soak up the most water.
Different brands of paper towels
300
What tool measures mass?
Triple beam balance
300
What type of graph should you use to compare which candy students prefer?
Bar graph or circle graph
400
What is the final step of the scientific method?
Repeat and communicate
400
List an observation in this room
Answers will vary
400
What is the dependent variable in this scenario: I am testing how study time affects test scores.
Test scores
400
What tool can measure volume of a liquid?
erlenmeyer flask OR beaker OR graduated cylinder
400
What is another name for a circle graph?
Pie chart
500
Which step comes after Analyze data?
Form a conclusio
500
List an inference in this room
Answers will vary
500
Why should you only include ONE independent variable in designing an experiment?
So you know EXACTLY what affected your results (otherwise, you do not know which change caused your results)
500
List the two types of models used in science
Physical models and mathematical models
500
Which type of graph should you use to demonstrate how the temperature of the water changed over a year?
Line graph
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