First Test Flashcards
Hypothesis??? Format???
If, then, because
3 rules
Clean all equipment when done; don’t reach over flame; don’t eat during lab
Hypothesis
Educated guess
Data
Information gathered during an experiment
Control
The group in an experiment that does not change
Variable
Any factor that can be controlled or changed in an experiment
Independent variable, where on graph?
Changed by scientists, on bottom of graph
Dependent variable, where on graph?
Changes because of independent variable, on right of graph
Theory
Summarizes hypothesis or group of hypotheses that have been supported with repeated evidence
Laws
Generalizes body of observations, considered a fact
Scientific method
Process used to find answers to questions about the world around us
Steps of scientific method
Problem, hypothesis, design procedure, make experiment, analyze data-if reliable, write conclusion,-if not reliable, do experiment again.
Length
Distance between 2 points, ruler, meter
Mass
Amount of matter in an object, balance, grams
Temperature
Amount of heat, thermometer, kelvin, Fahrenheit, Celsius