quiz 8/30

Which of these answers best describes a scientific theory?

• an explanation based on the opinion of a scientist

• a well-supported and widely accepted explanation of nature

• a description of a specific relationship under given conditions

• a statement describing what always happens under certain conditions

A chemist wants to examine specific chemical reactions and isolate certain products using a controlled experiment. How would the chemist perform this experiment?

• in a laboratory

• out in the field

• by performing a survey

• by using scientific laws

Which of these scientists would most likely engage in fieldwork to observe organisms?

• chemist

• biologist

• physicist

• mathematician

A statement that describes the way the world works under certain conditions

• empirical evidence

• scientific theory

• scientific law

• scientific method

An explanationof nature that is well-supported and widely accepted

• empirical evidence

• scientific theory

• scientific law

• scientific method

The information acquired by observation or experimentation.

• empirical evidence

• scientific theory

• scientific law

• scientific method

What would be the best example of empirical evidence in Florida?

• An expert’s personal opinion about a nonnative species

• Estimates of 100,000 exotic pets inhabiting the Everglades

• The amount of money allocated to restore the Everglades

• Records of rainfall during Florida hurricanes over the past 75 years

Scientist plan and carry this out to answer their questions.

• investigation
• conclusion
• party
• question

A scientist will use these to make an observation. 

• Forceps
• Five Senses
• Notepad
• Stopwatch

An investigation in which all conditions are controlled is a(n)...

• balance

• evidence

• experiment

• control