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32 Cards in this Set
- Front
- Back
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Earth science def |
the study of how the four spheres relate. |
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atmosphere |
the layer of gas surrounding the earth |
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meteorology |
study of atmosphere/weather |
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geosphere/lithosphere |
layers of the earth |
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geology |
study of earths structure |
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hydrosphere |
the water on earth |
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hydrology |
the study of water |
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oceanographer |
study of oceans |
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biosphere |
all livin things on earth |
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biology |
the sdudy of living things |
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astronomy |
study of the universe |
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how do we observe the enviroment |
we make observations with our five sences |
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what are our five sences |
sight smell hear taste touch |
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what is an inference |
statment based on observation |
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what makes our observations better |
instruments |
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how can our observations be classified |
a classification system |
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rocks are cassified into 3 groups |
ingenous sedimentary metamorphic |
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air masses are classified into 5 groups |
contenental artic contenental polar contenental tropic maritime polar maritime tropical |
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stars are classified into 4 groups |
super giants, giants, main sequance, white dwarf |
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techtonic plates are classified in three groups |
transform divergent convergent |
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ocean currents are classified into two groups |
warm cool |
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what is the 3 basic dimenshinal quantities |
time, length, mass |
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time
def instroment unit |
the sence of things happening one after another clock watch sec, min, hours, yrs, myrs |
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length
def instroment unit |
the distance between two points ruler |
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mass
def instroment unit |
the amount of matter in an object balance grams |
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always include what |
units |
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volume
def instroment units |
the amount of space an object takes up graduated cylender or ruler ml,l,cc |
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find the volume of a liquid |
place the liquid in a graduated cylinder and read the the level at hte bottom of the menicus the meniscus is the dip you see when looking at the water level |
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find the volume of an irregular solid |
use water displacment method place a determined amt of water in craduated cylender. carefully without water splashing out of the cylender. notice what happend to the level of the water it increased. write down the number. C-A = the volume of the object dont forget your units. |
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find the volume of a regular solid |
use ruler and include your units cm3 or cc formula for volume. length * width * volume = volume of a regular solid like a cube. |
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density |
the concentration of matter in an object. |
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g |
f |
