Chapter 1 Flashcards
(39 cards)
Astronomy
The study of objects beyond Earth’s atmosphere
Meteorology
The study of the forces and processes that cause the atmosphere to change and produce weather.
Geology
The study of the materials that make up earth, the processes that form and change these materials and the history of the planet and its life forms since its origin.
Oceanogrophy
The study of earths oceans, which cover nearly three fourths of the planet.
Environmental science
The study of the interactions of organisms and their surroundings.
Geosphere
The area from the surface of the earth downtown its center.
Hydrosphere
All the water on earth, including the water in the atmosphere .
Biosphere
Includes all organinm
Scientific methods
A series of problem solving procedures that help scientists conduct experiments
Hypothesis
A testable explanation of a situation that can be supported or disproved by carefully procedures.
Independent variable
The factor that is changed by the experimenter
Dependent variable
A factor that is affected by changes in the independent variable
Atmosphere
The blanket of gases that surround a planet
Control
Used in an experiment to show that the results of the experiment are the result of the condition being tested.
Le sistème international d’Unitès
Modern version of the metric system; standard system of measurement for scientific research
Mass
Amount of matter in an object
Weight
Measure of gravitational force on an object
Area
Amount of surface included within a set of boundaries and expressed in square units of length
Volume
Amount of space occupied by an object
Density
Measure of the amount of matter that occupies a given space
Time
Interval between two events
Temperature
A measure of the average kinetic energy of the particles that makes up the material
Scientific notation
In which any number is expressed by a value between one and ten multiplied by a power of ten
Scientific model
An idea, picture, a system or a mathematical expression that represents the concept being explained
