SCI METH REVIEW #1

In science, what is a scientific theory?                               

• the first idea to explain an observation 
• the best idea to explain a hypothesis 
• an explanation for many hypotheses and observations
• an explanation for many questions and answers 

What is the advantage of creating a model of a dinosaur?

• they are too large to easily study 
• they are too complicated to study
• Real dinosaurs cannot be studied because they are extinct
• The model is safer to work with. 

True or False--A model can never be revised.

• true
• false

Scientific theories are based on

• general assumptions of how systems work.
• mathematical principles that can be proven true.
• large amounts of data collected over time.
• observations from within only one scientific discipline.

A drawing, diagram, or map are types of ___.

• mental models
• three-dimensional models
• two-dimensional models
• plastic models

Scientists use a ___ to represent something that has too many parts, is too big, or is too small to investigate in real life.

• cars, dolls, people
• model
• scale
• telescope

When looking for the independent variable in a scenario, what key things should you look for?

• the word "different"

• usually it is stated at the end of the scenario

• it's only one variable

• it is the response to the action

When a question asks you to find the control, what clues should assist you in your decision?

• there is more than one

• something that is the response to the action

• something that occurs naturally (nothing is added to it)

• it can be found on the y-axis

Quantitative vs. Qualitative. The oil painting was 10" by 14", weighed 8.5 pounds and had a value of $300.

• quantitative

• qualitative

Inference vs. Observation. All your classes you take here at Bethel High school are necessary for you to be successful when you graduate.

• observation 
• inference