chapter 1: science skills , 8/26 Flashcards
(26 cards)
science begins and ends with…?
begins with curiosity
ends in discovery
what is science?
a system of knowledge and the methods used to find that knowledge
two branches of science (in general)?
natural and social sciences
what is natural science?
tries to understand how nature behaves
what is social sciences?
deals with human behavior
which branch of science does physical science belong?
natural sciences
what is the scientific method?
an organized plan for gathering, organizing, and communicating info
what is the goal of any scientific method?
to solve a problem or to better understand an observed event
what is physical science?
the study of matter and energy
what is chemistry?
study of matter
what is physics?
the study of energy, and how it makes matter behave
the two branches of physical science are…?
chemistry and physics
what is technology?
the use of knowledge (science) to solve practical problems. {applied science}
science and technology are interdependent. this means…?
advances in one lead to advances in the other
most direct way to gain knowledge about something is…?
to observe, using your senses!
to classify is to…?
put things together according to how they are alike in some way
using scientific tools, for a measurement to be correct, it must contain…?
a number and a unit
estimate is…?
when exact numbers are not needed or impossible to get
when you suggest an explanation for an observation
to infer, ex: lab safety signs
what is a hypothesis?
a statement that can be tested; an educated guess
we do this to test a hypothesis
experiment!
you have to remember to use tables, graphs, charts, etc. when you…?
organize
what does it mean to analyze?
to look for trends I’m your data. was your hypothesis supported?
what does it mean to predict?
when you say what you think might happen in the future (sometimes based on past events or experiences)
