Vocabulary
What is the variable that you can make changes to in set up? You can ask, "What am I changing?"
Independent variable
Why do scientists measure the dependent variable?
to see the results
56 cm 6 m
Is it =,>,<
56 cm < 6 m
What is dependent, response, Y-axis, manipulate, independent, X-axis
DRY MIX
What is desity?
Density is a physical property defined as mass per unit volume.
What is the variable that you will collect data from? You can ask yourself, "What am I measuring or looking for?"
Dependant variable
If you change the independent variable in an exparament what will happen to the result?
it will change
1000 mg = ____ g What is the the grams?
1 g
Best used to show data that changes with time
Line graph
What is Scientific Notation?
Its a method for writing very large or small numbers as a product of a number between 1 and 10.
What variable stays constant?
Control
If the experimenter changes the speed of an object to see the distance it will travel, what is the independent variable?
speed
What is the Metic Prefix?
Kilo - hecto - deka - BASE - deci - centi - milli
(K) - (h) - (da) - (grams - (d) - (c) - (m)
liters
seconds)
Best used to compare single values of manny items
Bar graph
Change from Scientific Notation to Regular Notation:
Change this notation 3.2456 x 10-8
.000000032456
What is a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation? Where you use if ___ then ___.
Hypothesis
If the experimenter changes the length of a ramp and measures the length a ball rolls down the ramp, what is the dependent variable?
the length
What are the advantages of the Metric System?
The advantages of the metric system are having an international standard for trade and meaningful data.
Best used to show parts of a whole
Pie graph
V=? M=65g D=5.45g/mL
Calculate the volume of this problem.
V=11.9mL
What is a Testable Question?
A testable question is not about opinions or "why" things happen in a general sense; it is about cause and effect.
How do independent variables and dependent variables work together in an experiment?
One is changed, and the other is measured.
What is the Decimal System/Ease of Calculation explanation?
All units are multiplied by 10 (to make larger units) or divided by 10 (to make smaller units).
What is the equation for a pie chart
part (individual category) / Whole (total amount) X100
Change from Regular Notation to Scientific Notation:
45,000 change this number
4.5 x 104