Metric Conversions
How many grams does 3.4 kilograms equal?
3400 grams
d = ?
M =20 g
V = 20 ml
1 g/ml
What are the 3 base units?
grams, meters, milli liters
What is Mass?
amount of matter: gram (g)
What is the difference between the responding variable and the manipulated variable?
Manipulated Variable- factor that is changed by experimenter. (independent variable).
Responding Variable- factor that changes in response to manipulated variable (dependent variable).
How many millimeters does 0.3 meters equal?
300 millimeters
d = ?
M = 1.5 g
V = 4 cm^3
what are the 2 branches of Physical Science?
chemistry and physics
What is a Hypothesis?
A proposed explanation for a set of observations that must be testable and for natural phenomena only.
What is a control group?
a group in the experiment that does NOT get the manipulated.
How many Kiloliters does 4300 liters equal?
4.3 kiloliters
d = 3g/mL
M = ?
V =10 ml
300 g
What is the difference between quanititative and qualitative data?
quantitative is numbers, qualitative is not
What is an Experiment?
organized procedure for testing a hypothesis
How can you better an experiment?
More trials
More test subjects
Longer trials
How many milligrams does 2.3 kilograms equal?
2,300,000 milligrams
d =
M = 12 g
V = 3.4cm x 2.6 cm x 2 cm
0.68 g/cm^3
What do all numbers need behind them?
Units
What is a Controlled experiment?
only 1 variable is changed. All others kept constant.
Is is a bad thing if your hypothesis is wrong? What is the next step?
No its not bad. Rerun the experiment with a new hypothesis.
How many Kiloliters does 24 centiliters equal?
0.00024 Kiloliters
d = 5 g/mL
M = 32 g
V = ?
6.4 mL
What are the 3 main categories of science?
Life science, Earth science , and Physical science
What are SI Units?
(International System of Units) is the revised version of the metric system.
What is a conversion factor and give an example
A conversion factor is a ratio of equivalent measurements used to convert a quantity expressed in one unit to another unit.
1g = 1000mg