Home
Subjects
Create
Search
Log in
Sign up
Upgrade to remove ads
Only $2.99/month
Science 8-1
STUDY
Flashcards
Learn
Write
Spell
Test
PLAY
Match
Gravity
Terms in this set (40)
science
the study of the natural world
observing
using one or more senses to gather information
inferring
explaining your observations
predicting
making a forecast of what will happen in the future based on past experience or evidence
chemistry
the study of the properties of matter and how matter changes
physics
the study of matter, energy, motion and forces and how they interact
scientific inquiry
the different ways scientists study the natural world
hypothesis
possible answer to a scientific question or explanation for a set of observations
parameter
factor that can be measured in an experiment
manipulated variable
the one variable in an experiment that is purposely changed
responding variable
the variable parameter that is expected to change because of the manipulated variable
controlled experiment
an investigation in which only one parameter is manipulated at a time
data
facts, figures, an other evidence gathered through observations
communicating
sharing ideas and conclusions with others through writing and speaking
model
a picture, diagram, computer image, or other representation of an object or process
scientific theory
well-tested explanation for a wide range of observations or experimental results
scientific law
a statement that describes what scientists expect to happen every time under a particular set of conditions
SI
an expanded metric system called the International System of Units
weight
a measure of the force of gravity on an object
mass
a measure of the amount of matter an object contains
volume
the amount of space an object takes up
meniscus
the curved top surface of water
density
mass per unit volume
Celsius scale
a temperature scale where the point water freezes at is set at 0° and its boiling point is set at 100°
Kelvin scale
the SI scale which begins at absolute zero being 0°, the freezing point of water is at +273° and its boiling point is +373°
estimate
an approximation of a number, based on reasonable assumptions
accuracy
how close a measurement is to the true or actual value
reproducibility
how close a group of measurements are to each other
significant figures
all of the digits that have been measured exactly, plus one digit whose value has been estimated
precision
a measure of the exactness of a measurement (i.e. how many significant figures it has)
graph
a "picture" of the data
x axis
horizontal axis
y axis
vertical axis
origin
(0,0) or the point where the x and y axes cross
coordinate
a pair of numbers used to determine the position of a point on a graph (x, y)
data point
a point showing the location of a piece of data
line of best fit
a smooth line that reflects the general pattern of a graph
linear graph
a line graph in which the data points yield a straight line
nonlinear graph
a graph in which the data points do not fall along a straight line
slope
the steepness of the graph line
You might also like...
Chapter 1
41 terms
Ch 1 Intro to Physical Science Key Terms
41 terms
8th Grade Chapters 1 Prentice Hall Science
39 terms
Science CH 1 Test
42 terms
Other sets by this creator
A Separate Peace - Chapter 10
6 terms
A Separate Peace - Chapter 09
24 terms
A Separate Peace - Chapter 08
33 terms
A Separate Peace - Chapter 07
30 terms
Other Quizlet sets
MD-2
26 terms
ASM 115 - Final 1
67 terms
Hemolytic Anemias II
56 terms