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order of operation
- parentheses
- exponents
- multiplication
- division
- addition
- subtraction
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distributive property
a(b+c)=ab+ac
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associative property
a+(b+c)=(a+b)+c
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communitive property
a+b=b+a, ab=ba
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transitive property
if a=b and b=c then a=c
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equation for a line
y=mx+b (m=slope rise/run, b= y-intercept)
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rainbow?
various wave lengths in sunlight are bent at different angles as they hit prism surface, separating them into the colors of the rainbow
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liquid or gas
does it have definite volume
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phloem cell
transporting sugar from leaves to rest of tree
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xylem
transport water and minerals in tree
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parenchyme
job is storage in plants
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collenchyma
supports plant
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layers of the earth
- top to bottom
- crust, mantle, outer core, inner core
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lithosphere
ridged outer layer of earth crust and upper mantle
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hydrosphere
physical geography describes combined mass of water found on under and over surface of a planet
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atmosphere
a layer of gases that surround a material body of sufficient mass
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digestive system
absorb food and breaks it down
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respiratory system
function is to adsorb oxygen into lungs and out put carbon dioxide
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cardiovascular system
distributes blood
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lymphatic system
distributes lymph one-way flow toward heart
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circulatory system
blood cells, gases, hormones, passes nutrients to and from cells to fight diseases and help stabilize to achieve homeostasis, made up of cardiovascular and lymphatic system
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endocrine system
system of glands, each of which secretes a type of hormone into bloodstream to regulate body
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water
expands when it changed from liquid to solid and expands when it freezes (why it weathers bedrock)
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scientific understanding...
based on accumulation and interpretation of evidence is fundamental principle which underlies the practice of science
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