scientific methods Flashcards
Hypothesis
An explanation that is based on a prior scientific research or observations and that can be tested.
Variable
A factor that changes in an experiment in order to test a hypothesis.
Scientific Method
A series of steps followed to solve problems.
Controlled Experiment
An experiment that tests only on factor at a time by using a comparison of a comparison of a control group with an experimental group.
Meter
the fundamental unit of length in the metric system, equal to 100 centimeters or approximately 39.37 inches.
Liter
a metric unit of capacity, formerly defined as the volume of 1 kilogram of water under standard conditions, now equal to 1,000 cubic centimeters (about 1.75 pints)a metric unit of capacity, formerly defined as the volume of 1 kilogram of water under standard conditions, now equal to 1,000 cubic centimeters (about 1.75 pints).
Gram
a metric unit of mass equal to one thousandth of a kilogram.
Volume
A measure of the size of a body or region in three-dimensional space.
Mass
A measure of the amount of matter in a object.
Density
comparison of the mass to the volume of an object
Area
a measure of the size of a surface or a region.
control group
The group that does not receive treatment in a experiment.
Experimental group
The group that does receive the treatment in an experiment.
Celisus
or denoting a scale of temperature in which water freezes at 0° and boils at 100° under standard conditions
Step 1 of the scientific method
make observations.
