nature of science

Which variable should be on the x axis?

• dependent variable

• independent variable

• control variable

An testable prediction is known as a...

• theory

• law

• hypothesis

• conclusion

What is the independent variable in an experiment?

• the thing a scientist changes and tests

• the normal situation
• what we measure in the end
• the thing we keep the same

What do we mean when we say a fact must be objective?

• It must be unbiased

• It must be testable

• It must be observable

• It must be accomplished

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

Which is the best description of the dependent variable?

• the variable that is changed by the scientist

• the measured variable that makes up the recorded data

• the variable that does not change

 

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.

You will want your experiment to have ____ independent variable(s) in it for the experiment to be valid.

• 1
• 2
• 3
• 4

A scientific law is a scientific theory that has been thoroughly tested.

• true

• false

Which interval has the greatest number of employees?

• 11-21
• 33-43
• 77-87
• 44-54