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- 1. Multiple Choice
What is the difference between a scientific law and a scientific theory?
A scientific law explains what happens(rule), while a scientific theory explains why something happens
A scientific law explains why something happens, while a scientific theory explains what happens
A scientific theory explains what happens(rule), while a scientific law explains why something happens
Both scientific theories and scientific laws explain why something happens
- 2. Multiple Choice
Which step, when solving a problem, involves making an inference based on reasoning and observations?
Present results
Perform the experiment/collect data
Form hypothesis
Analyze the data
- 3. Multiple Choice
At one point in time, many people thought disease was caused by fate or by incorrect behavior. Following the invention of the microscope, bacteria were discovered. After this, a new theory of what causes disease arose that was known as the germ theory. Why was the original theory modified?
It quickly became obvious that germs cause disease.
The person who invented the microscope became ill.
New evidence prompted revision to the original ideas.
The original theory was modified due to heavy political influence.
- 4. Multiple Choice
Jane Goodall spent years with the chimpanzees of Gombe. Sitting quietly for hours, she watched the animals closely and took notes about their behavior. What was Jane Goodall doing?
Testing Variables
Making Observations
Watching a Control Group
Creating a Theory/Law
Making an Inference
- 5. Multiple Choice
Which of the following statements about a controlled experiment is true?
All variables must be kept the same.
You should only test one variable at a time.
Controlled experiments must be completed within a lab.
The whole purpose of experiments is to prove your hypothesis was right. We collect data to support our hypothesis.
- 6. Multiple Choice
Explains something we see in the natural world that has been verified through repeated experiments or testing.
hypothesis
law
theory
Inference
- 7. Multiple Choice
This variable is the one thing that changed on purpose...
Dependent Variable
Control
Independent Variable
- 8. Multiple Choice
What is the DEPENDENT variable (effect) in this experiment?
"Does eating breakfast improve test scores?"
eating breakfast or not
the grade you got on the test
what time you get up in the morning
how tasty the breakfast is
- 9. Multiple Choice
You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.
They type of pot you put the plants in.
The amount you water each plant.
The amount of sunlight the plants get.
The amount the plant grows.
- 10. Multiple Choice
What are the constant variables?
what we are changing or testing
what we are observing or measuring
what we keep the same to make the experiment fair
- 11. Multiple Choice
how scientists go about asking and answering questions
hypothesis
scientific inquiry
experiment
investigation
- 12. Multiple Choice
The _ is an organized set of investigation procedures used by scientists.
scientific method
scientific law
scientific theory
- 13. Multiple Choice
A _ is a standard used for comparison; it is kept in "normal" conditions.
hypothesis
control group
dependent variable
control variables
- 14. Multiple Choice
A rule of nature that sums up related observations to describe a pattern in nature is a _.
scientific law
hypothesis
scientific theory
- 15. Multiple Choice
Identify the dependent variable according to this graph.
Seed Type
Number of Bird Species
Sunflower and Sorghum
Sunflower
- 16. Multiple Choice
What is the purpose of the scientific method?
to answer questions
to create solutions to problems
to collect data based on an experiement
to get peer reviewed
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