Terms
study of the atmosphere and all weather and climate
meteorology
what are the two sources of energy for the earth?
Sun and Earth's internal heat
What is the final step of the Scientific Method?
What is a nail on the scale?
4.5
list the structure of earth from the inside out
inner core, outer core, mantle, crust
the study of the universe
Astronomy
which two elements combine to make most of the common rock-forming minerals?
silicon and oxygen
the process of getting facts via observation and making educated guess, testing them, and coming to an informed conclusion
Scientific Method
What do we use to calculate the hardness of a mineral?
Moh's Scale
what causes a mineral to have cleavage?
unequal strength of bonding in different directions
smallest particle that makes up an element; can's be split by chemical means
atom
what is the circumference of earth (in miles)
around 25,000
an untested tentative explanations for how or why something happens
Hypothesis
What is the definition and units of Specific Gravity?
the density of something compared to the density of water... there are no units
list the consistency of the 4 layers of earth (solid, liquid, gas)
inner core is solid, outer core is liquid, mantle is slowly flowing but solid rock, crust is solid but brittle rock
all the sciences that collectively seek to understand earth and its surroundings
Earth Science
explains how our solar system probably formed from a giant cloud of gas and dust
Nebular Theory
Theory
What's the opposite of ambiguous?
Diagnostic
list the 10 properties of a mineral
luster, colour, streak, crystal shape or habit, hardness, cleavage, fracture, tenacity, density, specific gravity
includes all life on earth
Biosphere
Age of the solar system
4.5 billion years
List the steps of the scientific method in order
observe, question, hypothesize, test, conclude, communicate
why is colour not a valuable property (answer must be a specific word)
list the 5 points of the definition of a mineral
naturally occurring, inorganic, solid, crystalline structure, definite chemical composition