Acc. Physical Science Unit 1 Study Guide

Three must haves of a hypothesis :: problem, proposed solution, result

Difference between opinion and a theory :: opinion is one person’s ideas and has no proof, a theory has stood the test of time

Purpose of an experiment :: answer a question

Independent variable :: factor that gets changed in an experiment

Independent variable :: found on x axis

Dependent variable :: what you measure to obtain your results

Dependent variable :: found on y axis

Constant :: something that’s kept the same in an experiment

Variable :: a factor that can change

Steps of the scientific method :: collect observations, ask a question, make a hypothesis, experiment, analyze data, draw conclusion

What does a graduated cylinder measure :: volume

What is a microscope used for :: getting a zoomed in view of something

What are binoculars used for :: seeing things far away

What is a telescope used for :: seeing the sky

What are the 3 temperature scales :: Fahrenheit, Celsius, Kelvin

What are centimeters used to measure :: length

What is a spring scale used to measure :: weight

What 3 things can be used to measure volume :: graduated cylinder, beaker, flask

What are liters used to measure :: volume

Qualitative data :: something you observe, is subjective

Quantitative data :: objective facts, measured, usually a number