1
What two things does physical science study?
nonliving matter and energy
What is an example of order in nature?
time; the seasons; periodic table; flower structure, etc.
What is the SI?
International System of Units
F=ma is an example of which category of scientific models?
Which process allows other scientists to review and assess research prior to publication?
Peer review
How many fundamental units are used in SI today?
seven
Which of the following factors into the accuracy of a measurement?
a. scientist error
b. instrument uncertainty
c. both A and B
d. neither A and B
c. both A and B
How many meters (m) are in 2,250 millimeters (mm)?
2.25 m
What is an example of quantitative data?
a. color
b. length
c. shape
d. texture
Length
What is a model that describes phenomena under certain conditions.
Law
What principle allows us to conclude that gravity acts the same today and will tomorrow as it did yesterday?
the principle of uniformity
The decimal place to which a scientist makes a measurement can be referred to as __________.
a. accuracy
b. precision
c. both A and B
d. neither A and B
b. precision
How many centimeters (cm) are in 3.3 feet (ft)?
8.38 cm
What is a model that explains a related set of phenomena.
Theory
What is God’s command to exercise dominion over the earth?
Creation Mandate
What is the systematic study of the universe to produce observations, inferences, and models?
Science
What is an initial, testable explanation that guides an investigation?
Hypothesis
How many hours (h) are in 1 260 000 seconds (s)?
350 h
What is a system of moral values.
ethics
What is a physical, conceptual, or mathematical explanation or description of a phenomenon?
Model
True or False: When taking measurements, scientists list all the known digits and then two estimated digits.
False; just need 1 estimated digit
What are assumptions we have about the world that affect every decision we make?
Worldview
Give an example of a model used in physical science.
(check with teacher for answer)
The amount of liquid in two graduated cylinders is measured to be 61 mL and 5.7 mL. Which measurement is more precise?
The measurement of 5.7 mL is more precise because the tenths place gives a greater degree of exactness than the 61 mL measurement.
List the dimension AND units of each SI fundamental units.
length (meter)
electric current (ampere)
Light intensity (candela)
mass (kilogram)
temperature (Kelvin)
Amount of a substance (mol)
Time (second)