Definitions
The branch of the natural sciences that deals with the study of non-living things
Physical Science
The two ways you can make observations of the natural world
Qualitatively and Quantitatively
A measurement must always have what two part
a number followed by a unit
One factor that makes a good data table
clear, concise title explaining the information
column labels
row labels
The system of standard units used by all scientists
Metric system (or SI units)
Using scientific knowledge to solve problems and improve lives
Technology
A good hypothesis is one that can be ...
tested
The gram is a measurement of
mass
The best graph to use to compare differences between two or more groups
Bar graph
The metric unit for time
second
Observation
A scientist must do this to keep the experiment "controlled"
keep all factors influencing the outcome the same except for the factor being tested
The corresponding Metric unit for length to the English "foot"
Meter
The best type of graph to show what percent of Vine Physical Science students prefer doing data collection compared to data analysis.
Circle graph
The meaning of the prefix -kilo (k)
1000
Thousand
A possible, testable explanation for one or more observations
Hypothesis
Scientists analyze the data from their experiments in order to
draw conclusions about their hypothesis...either accept it or reject it based on the evidence
Length
The best graph to show the relationship between the independent and dependent variable
Line graph
The prefix - centi means ________ whereas the prefix - milli means _________
centi = hundredth/.01
milli = thousandth/.001
A factor that can be changed in an experiment
Variable
What a scientist can do if they conclude that their experimental data supports their original hypothesis
Develop a scientific theory or law
The amount of space an object occupies is called ______ and is measured in the metric system with the unit _______
Volume, Liter (L)
A physical science student wants to make a line graph of the toy boat experiment described in Module 1. The two variables in this experiment were mass (g) and boat depth (cm). To set up the graph correctly, the student must put ___________ on the x axis and ___________ on the y axis.
X axis = mass
Y axis = boat depth
The amount of kilometers in 50 m
.05 km