study guide ch 1 2011
TRANSCRIPT
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Miley went on 15 kilometer bike ride. How many meters did she
ride?
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Miley went on 15 kilometer bike ride. How many meters did she ride? Not enough to find her
dignity!
KILO= 1,000
So she went on a 15 thousand meter ride
15km=15,000m
King Henry Doesn’t Usually Drink Chocolate Milk
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a.
a graduated cylinder
b.
a meniscus
c.
parallel bars
d.
a spring scale
Which of the following would you use to measure the weight of an
orange?
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SPRING SCALES measure WEIGHT
Remember WEIGHT is the effect of GRAVITY on a MASS.
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Making a statement or claim about what will happen in the
future based on past experience or evidence is __
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Making a statement or claim about what will happen in the
future based on past experience or evidence is PREDICTING
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When scientists cannot obtain exact numbers, they often rely
on………?
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When scientists cannot obtain exact numbers, they often rely on
ESTIMATES
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A line graph shows
a. how the dependent variable changes in response to the independent variable.
b. changes in the independent variable only.
c. how the dependent variable changes on its own.
d. changes in the dependent variable only.
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A line graph shows
a) how the dependent variable changes in response to the independent variable.
TIME STUDYING AND GRADE
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The TWO metric units for temperature are:
_______________ and _________________.
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The TWO metric units for
temperature are: KELVIN and
CELSIUS.
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When observations deal with amounts or numbers they are
called
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When observations deal with amounts or numbers they are
called QUANTITATIVE OBSERVATIONS
QUANTITY=NUMBER
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What is an INDEPENDENT VARIABLE?
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When multiplying or dividing measurements, the answer has the
same number of significant figures as the measurement with the
______________ significant figures.
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When multiplying or dividing measurements, the answer has the
same number of significant figures as the measurement with the fewest
significant figures.
Click below for more info…
http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch1/sigfigs.html
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Will an object with a volume of 100 cubic centimeters and a mass of 50 grams float or sink in pure
water? What is its density? SHOW YOUR WORK
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Will an object with a volume of 100 cubic centimeters and a mass of 50 grams float or sink in pure water? What is its
density? SHOW YOUR WORKOk, there are a couple of things that you need to know here…
1)The density of pure water is 1g/ml
2)If the density of the item is GREATER than the other stuff, it is a SINKER! If the density of the item is less than the density of the other
stuff… we have a FLOATER!
Back to our problem! D= M/V=50g/100cc= .5g/ml
We have……. A FLOATER!
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6.062 L = ______ ml
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KHDUDCMhmmm… from the u to the mthat is 3 jumps to the right…
6.062 L = 6062 mlIf you are still not getting this you need to come see me! And
click this link http://www.purplemath.com/modules/metric.htm
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You want to test a new drug that supposedly prevents sneezing in
people allergic to grass. What is the dependent variable?
What is the independent variable?
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What are you testing? = independent variable =A new drug
• How will you test it? What d d d data will you collect/count?= dependent variable= count the sneezes (how well it works)
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The official SI unit for temperature is the
____________________.
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The official SI unit for temperature is the KELVIN.
http://www.pbs.org/wgbh/nova/physics/sense-of-scale-absolute-zero.html
http://thermalenergy.org/absolutezero.php
Cool links to find out more are below… click em’ I double dog dare you!
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Use you paper study guides! They are a LOT more complete than this power point! If you can answer ALL the
questions on your study guide then you should be ready for the test. If you
can’t….. You should expect to do not so well on your test. Study session on the morning of the test. Hope to see you
there!