Biology Unit 1- Nature of Science and Characteristic of Life

______ are descriptive statements about natural phenomena (objects/things) accessible to your senses (see, touch, smell, taste, touch)

• observations

• inferences

______ are statements about phenomena that are not directly accessible to the senses (see, touch, smell, taste, hear).

• observations

• inferences

__________ is a logical interpretation based on prior knowledge.

• guessing

• inference

• understanding

• conclude

What is the general order of the steps of the scientific methods?

• question, experiment, hypothesis, analyze, results, conclusion, communicate results.

• question, hypothesis, experiment, analyze results, conclusion, communicate results

• question, hypothesis, experiment, analyze results, communicate results, conclusion

A testable, possible explanation for a scientific question is called a(n) _____

• theory

• law

• randome guess

• hypothesis

A _______ is when an experiment keeps some variables the exact same.

• Control

• Constant

• Independent variable

• Dependent variable

A ________ is when an experiment keeps some variables the same in order to compare changes between objects.

• Control

• Constant

• Independent variable

• Dependent variable

A __________ is when a variable is manipulated (or different) in an experiment.

• Constant

• Control

• Independent variable

• Dependent variable

A __________ is what is affected by another variable in an experiment.

• Constant

• Control

• Independent variable

• Dependent variable

What does it mean to control variables in an experiment?

• to use different color objects for all of the parts of an experiment

• to keep as many things the same as possible across the parts of an experiment

• to take complete notes about everything you observe in the experiment

• to not touch anything once you set up the parts of an experiment