Unit 1 Flashcards
name two instruments used to measure liquid volume
1) graduated cylinder
2) graduated pipette
people who studied the physical universe were called
Natural Philosophers
the use of observation, logic, and experiment to figure out the rules by which the universe operates
Modern Science
what is the purpose or goal of all science
to understand the laws of the physical universe
the application of the modern scientific method to solve specific problems
technology
hypothesis that could be refuted/rejected by data gained in a study or by controlled experiment
falsifiable
belief that living “living organisms” arose spontaneously from non-living matter in the earths ancient oceans approximately 3.4 billion years ago
chemical evolution
What are seven characteristics shared by all living organisms on Earth
1) composed of cells
2) contain 4 biochemicals
3) specific needs that need to be met
4) grow and develop
5) reproduction
6) they are unique
7) adaptation
what are the four characteristics of modern science
1) definable and measurable
2) in physical universe
3) has to follow the rules of the physical universe
4) follows scientific method
variables that are being measured
dependent variables
variables that are changing
independent variables
variables that are held constant
controlled variables
what graph would you use to show change over time
line graph
what goes on the X axis
independent variable
what goes on the y axis
dependent variable
