Physical Science
This is the study of nonliving things
What is physical science? p3
What is observation?
The gathering of information using senses or with the aid of instruments
an investigation in which the factors that influence the outcome are kept the same except for one, the factor being studied
What is a controlled experiment
what is meter
The standard SI unit for length p 18
This scientist compared electrons to raisins in plum pudding
Who was JJ Thompson p 16
These are 3 of the branches of physical science
What are physics, chemistry, and astronomy
These observations all have numbers in them
What is quantitative p 6
What is a variable
A factor that can change in an experiment p 10
what is the standard si unit for mass?
What is kilogram p 18
What is Newton's 3rd law of motion?
Every action has an equal and opposite reaction
Using scientific knowledge to solve practical problems and improve the lives of people
What is technology p3
A possible, testable explanation for one or more observations or a suggested, testable answer to a question
What is hypothesis p 8
The variable that we manipulate in an experiment is called the.....
independent variable p 11
What is the standard si unit for time?
What is second? p 18
What was Democritus's model on atoms?
Atoms are solid, invisible, indestructible and unchangeable. Atoms of different things differ in shape and size p16
A well tested explanation of a phenomenon in the natural world
What is scientific theory
This should never include personal pronouns, and be formed as an if-then statement
What is hypothesis p 10
What is a dependent variable?
the response of change to our independent variable
this type of graph is useful when showing how part of something relates to the whole
What is a circle graph p 28
This scientist said all atoms have the same set of orbits
Who was Bohr? p16
A well-tested description of one phenomenon in the natural world that often includes mathematical terms
What is scientific law
All numerical data should be recorded with this?
units p 12
This is a logical conclusion drawn from observations, previous knowledge, and available information
What is an inference
this is the measurement of how much energy something has
What is temperature p 22
Which scientist identified the area in which finding an electron is high?
Who was Schrodinger? p 16