Chapter 1 - About Science Flashcards
quantitative observations |-
observations that include numbers
(quantitative = quantity) |–
The lightbulb is an example of ____.
technology
(applied science)
What punctuation mark can NEVER follow a hypothesis?
A question mark
(A hypothesis is a statement, it is never a question)
You use your brain for which of these:
Observations
Inferences
Inferences
Hypothesis
An educated and careful guess
(Often and “if - then” statement)
If you use your brain, then it is an (obseration/inference)
inference
Law, Theory, Scientific Fact, or Hypothesis?
It is always a statement.
Hypothesis
An explanation of an event that is based on repeated observations and experiments is a ____.
theory
qualitative observation
has no numbers
explanation of a group of related events that is based on extensive observation and experimentation
scientific theory
Must be in the form of a statement.
A hypothesis
In order to make observations, you must always use…
One of your five senses.
Law, Theory, Scientific Fact, or Hypothesis?
It has many, many parts
Theory
“I have a theory about that”
Statement by someone who does not understand the difference between a theory and a hypothesis
Law, Theory, Scientific Fact, or Hypothesis?
It must be testable
Hypothesis
If you use your senses, then it is an (observation/inference)
observation
Law, Theory, Scientific Fact, or Hypothesis?
It is a description
Scientific Law
Representation of an idea, event, or object that can help people better understand it.
Model
Law, Theory, Scientific Fact, or Hypothesis?
When a part of it is refuted by an experiment, that part is changed to make that one part better.
Theory
First step in designing an experiment
State the problem
Studying the effect of one thing on another in order to test a hypothesis is a(n) ____.
experiment
“aka” means
also known as
(Laws/Theories) are small (can be fully described in a few sentences or a mathematical formula
Laws
Another term for technology is ____.
applied science
Law, Theory, Scientific Fact, or Hypothesis?
It is BIG
Theory
Scientific Method
An organized set of investigation procedures.
(Laws/Theories) are big usually developed by many scientists working over years or decades.
Theories
Law, Theory, Scientific Fact, or Hypothesis?
It is “small.”
Scientific Law
On a test or quiz, what does “All of these” mean?
It means that only a silly person would pick an answer without reading ALL of the answers.
When designing an experiment, the first step is to ____.
state the problem
Law, Theory, Scientific Fact, or Hypothesis?
A single experiment cannot ever prove it correct, but it can support it.
Hypothesis
An idea, event, or object can be represented by a ____ to help people better understand it.
model
Studying the effect of one thing on another in order to test a hypothesis is a(n) ____.
experiment
Observation or Inference?
“The sky looks blue today”
Observation
(You used one of your five senses)
“I have a hypothesis about that”
Statement by someone who does understand the difference between a theory and a hypothesis
Pseudoscience
Fake science that has not tests for its validity.
Science
Organized common sense.
A process of discovering and organizing data about nature.