NOS Quiz 1 Flashcards
anything that can have more than one value
variable
the factor that you want to test
independent variable
the factor in an experiment that you measure in an experiment
dependent variable
contains the same factor as the experimental group, but the independent variable is not the same
control group
group in an experiment that shows how the independent variable changes the dependent variable
experimental group
factors that do not change
constants
investigation and exploration of natural events and new information
science
using your senses to gather information
observation
a logical explanation of an observation based on your previous experience
inference
a possible explanation for an observation that you can test with an experiment
hypothesis
a statement of what will happen next
prediction
an explanation of observations or events based on many observations and investigations
scientific theory
a rule that describes a repeatable pattern in nature
scientific law
the practical use of scientific knowledge
technology
comparing what you already know with information you are given in order to decide if you agree
critical thinking
a summary of observations
description
an interpretation of observations
explanation
internationally accepted system of measurement
International System of Units (SI)
a method of writing large or small numbers in short form
scientific notation
an expression of the error as a percentage of the accepted value
percent error
words that describe observations
qualitative data
numbers that describe observations
quantitative data
papers or a notebook where you record your experiments
science journal
a tool used to measure the mass of an object
balance
lab equipment used to hold liquids
glassware
a tool for measuring temperature
thermometer
a tool used for making calculations
calculator
a machine for collecting and analyzing data quickly
computer
