- Which of the following features should NOT be included in the scientific process?
Your answer:
observation
theory development
hypothesis
experimenter bias
- All of the following are standard components of the experimental process EXCEPT ______________.
Your answer:
controls
opinions
variables
models
- Life science is the study of living things. According to this definition, a life scientist would most likely study ___________.
Your answer:
cave formation
cellular reproduction
weather changes
magnetic force of different metals
- Al of the following quantities have derived units in the SI system EXCEPT ___________.
Your answer:
density
volume
mass
pressure
- In general, models benefit scientific investigation the most by ____________.
Your answer:
changing experimental results
providing descriptions of patterns in nature
using derived units as measurements
representing ideas, events, and objects
- Under which heading in a table of contents would the most information about units be found?
Your answer:
Dependent Variables
History of Lord Kelvin
Measurement Systems
Scientific Law
- In the laboratory, chemicals that you are finished working with should be ________________.
Your answer:
returned to their original containers
disposed of as directed by your teacher
mixed together and dumped into a designated container
poured into the sink
- Melissa heated a few blue crystals in a test tube. After a few minutes, she observed that the crystals had turned white and a film of water had formed on the inside of the test tube. Before Melissa conducted this experiment, she most likely ___________________.
Your answer:
developed a bias
developed a theory
developed a hypothesis
developed a scientific law
- In science, activities are performed that test the validity of theories. These activities are called _______.
Your answer:
experiments
hypotheses
controls
variables
- Sometimes scientists misinterpret their data, causing them to draw the wrong conclusions. What is one common cause of scientific misinterpretation?
Your answer:
modeling
researcher bias
phenomenon
unit conversion
- Which of the following is the best application of a line graph?
Your answer:
to show trends and how the data changes over time
to make observations and gather information
to show how some fixed quantity is broken down into parts
to compare information collected by counting
- Which of these unit systems is used by scientists?
Your answer:
SI
British
Norwegian
foot-pound
- Which of the following is measured in kilograms?
Your answer:
mass
speed
temperature
length
- Jeb has decided to start an aquarium. At the pet store, Jeb learns that every aquarium should be comprised of a certain percentage of different things, such as water, rocks, plants, and filters. Which of these would be the best way to illustrate the information about what aquariums should contain?
Your answer:
table
line graph
circle graph
bar graph
- Mr. Alicea's class is measuring the density of a tennis ball. What information do the students need to find the ball's density?
Your answer:
mass and temperature
mass and length
none of these answers
mass and volume