Scientific Method
Which of the following is an example of quantitative data about a bookcase?
It weighs 100 pounds
What does IV stand for?
Independent Variable
What is a hypothesis?
A hypothesis is a testable prediction and an educated guess
What is quantitative data?
"If plants are exposed to sunlight, then they will grow taller."
This statement is an example of what part of the scientific method?
Hypothesis
What does DV stand for?
Dependent Variable
What is validity?
How trustworthy and accurate are the results of an experiment are.
What is qualitative data?
Data is expressed as descriptions or qualities.
Science is the study of the natural world through ______________ and _____________.
A. data and hard work
B. observation and experimentation
C. language and customs
D. microscopes and research
B. observation and experimentation
Independent or Dependent Variable? You jog for 5,10, and 15 minutes.
Independent Variable (IV)
What is the definition of control group?
Part of an experiment not exposed to change or the IV. Used to compare!
Quantitative or Qualitative data?
10000000000 bugs on a log
Quantitative!
What is the primary purpose of Research?
A. To test a hypothesis.
B. Finding information to learn more about a topic of question.
C. A process used to gather data.
D. A judgement made after an experiment.
B. Finding information to learn more about a topic of question.
Independent or Dependent Variable? After jogging for 5, 10, and 15 minutes, you check your heart rate.
Dependent Variable
What is the definition of a scientific conclusion?
A decision or judgment based on your experiment.
Quantitative or Qualitative data?
There are many different-colored bugs, such as green and purple.
Qualitative!
Place these steps of the scientific method in order:
Make an Observation
Come to a Conclusion
Collect and Analyze Data
Form a Hypothesis
Research
1. Make an Observation
2. Research
3. Form a Hypothesis
4. Carry out an Experiment
5. Collect and Analyze Data
6. Come to a Conclusion
You place three plants in different sunlight amounts to see which plant grows tallest. What is the independent variable (IV)?
Sunlight amounts (independent variable)
What is the definition of experiment?
A process used to test our hypothesis and gather data.
Which of the following is an example of quantitative data about a bookcase?
A. It weighs 100 pounds.
B. It is made of wood.
C. It has a smooth surface
D. Ms.B's dog built it
A. It weighs 100 pounds.