earth science chap 1 Flashcards
Steps of the scientific method
Observation
Hypothesis
Test
Scientific method deffination
The orderly process by which explanations for observations made in nature are accepted or rejected
Observation
Asking questions and or collecting information
Hypothesis
A testable explanation for a set of observations or information
Tests
Models or experiments that determine the feasibility of a hypothesis
The earth system
Solid earth Hydrosphere Atmosphere Biosphere All works together to influence each other
Is earth a closed system?
Contained no outside influences
No it is an open system
Gets energy from the sun
What is a mineral?
Naturally occurring
Inorganic solid
Definite chemical composition
Parts of the earth
Crust Mantle Core Inner core Outter core
Elements
Simplest chemical; cannot be broken down
Atoms
Smallest piece of an element that has a specific structure.
Protons
Positive
Electrons
Negative
Neutrons
Zero charge
Ions
Atoms with extra or too few electrons has net charge.
Ionic bonds
Opposite charges
Compound
Chemical combination of two or more elements held together by bonds
Covalent
Share bonds
Metallic
Covalent on steroids; share a lot of bonds
Crystals
Atoms arranged in regular, ordered , and repeated patterns
Crust
we stand on
Mantle
most of planet, more dense, ooy gooy , squishy
Core
inter part , most dense
Inner core
very hot
