Lesson 2 Flashcards
Earth science
Body of knowledge about Earth and its place in the universe
Earth scientists use several big ideas to guide them
- structure of Earth’s systems
- Earth’s history
- Earth in the solar system
System
Groups of parts that work together as a whole
Energy
The ability to do work or cause change
Constructive forces
Shape Earth’s surface by building mountains and landmasses
Destructive forces
Slowly wear away mountains and every other feature on Earth’s surface
Geology
Study of forces that have shaped the Earth
Oceanography
Study everything from chemistry of ocean water to ocean floor and marine organisms
Meteorology
Study of conditions in the atmosphere
Astronomy
Focus on the solar system, stars and galaxies
Environmental science
Study Earth’s environment and resources
Scientific inquiry
Is a process that uses a set of skills to answer questions or to test ideas about the natural word
Binoculars
Enable people to view faraway objects more clearly
Compass
Instrument that shows magnetic north
Wind vane
Device that rotates to show the direction of the wind
Anemometer
Tool used to measure the speed and force of wind
Streak plate
Piece of hard, unglazed porcelain that helps identify minerals
Cryosphere
The frozen water of the world
Hydrosphere
Water and ice
Lithosphere
the rigid outer part of the earth, consisting of the crust and upper mantle
Atmosphere
?
Biosphere
the regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms
Quantity measured: Length
Unit-meter
Symbol-m
Quantity measured: Mass
Unit-kilogram
Symbol-kg
Quantity measured: Time
Unit-second
Symbol-s
Quantity measured: electric current
Unit-ampere
Symbol-A
Quantity measured: temperature
Unit-Kelvin
Symbol-K
Quantity measured: amount of substance
Unit-mole
Symbol-mol
Quantity measured: intensity of light
Unit-candela
Symbol-cd
