Nature of science review Unit 1

Multiple Choice

 An organized procedure to study something under controlled conditions is called:

• theory
• experiment 
• observation
• hypothesis

Multiple Choice

Why do scientists do investigations?

• To get a prize

• To find answers to their questions

• To become the best scientists

Multiple Choice

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

Multiple Choice

These can often be represented mathematically and provide no explanation why a phenomenon occurs

• theory

• law

Multiple Choice

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Multiple Choice

A scientific ____________ is a statement that describes what always happens under certain conditions in nature.

• law
• theory
• method
• variable

Multiple Choice

Models can be helpful in scientific investigations because

• it may not be possible to work with the real thing.

• they can be smaller and more manageable than the real thing.

• they can be safer to work with than the real thing.

• all of the above

Multiple Choice

The measurable factor in an experiment is known as the: 

• Control
• Independent Variable
• Constant
• Dependent Variable