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From the list below, which are example(s) of a quantitative observation(s).
A) I ate 3 Bonbons today.
B) Now I feel sick.
C) I weigh 2 pounds more than I did last week.
D) Maybe I am sick, because my temperature is 101 degrees F.
A, C, D
Students in a science class placed ice cubes in a cup. They were studying
variables that affected how long it takes the ice to melt. Select the variable that
would most likely NOT affect the time it takes the ice to melt.
Number of students
Which of the following best defines qualitative observation?
Data that can be observed with our five senses
What is an inference?
a conclusion made from an observation, or a series of observations, that is based on
previous experiences or prior knowledge
Part of the scientific method is to form a hypothesis, to predict the answer to the
problem. Which of the following are not important qualities of a hypothesis?
A) A hypothesis must be proven true
B) A hypothesis must be testable by experimentation
C) A hypothesis should be based on prior research and/or observations
, D) A hypothesis is a random guess
E) All of these are good important qualities of a hypothesis
A, D
What is the universal system of measurement used in science?
The metric system
You just collected the following set of data. What is the mean?
6.5
A milliliter equals __________________ liter.
0.001
A micrometer equals ________________meter.
One millionth
When you mix two molecules together the major component (typically the liquid
component) is called the ____.
solvent
Two important properties of water include: ,_______________________ which is
the tendency of water to "stick" to other molecules.and
______________________, the tendency of water to "stick" to itself.
adhesion, cohesion
A milligram equals _________________ gram.
One thousandth
Hydrophilic means: _____
water loving
Cell membranes are composed of: ______