NEW
Font size
WorksheetsNOS study guide review
Total questions: 45
Worksheet time: 23mins
Science can answer all questions.
true
false
A pipette is a thin, rectangular piece of glass used to view items under a microscope.
true
false
Final zeros used before the decimal point are significant.
true
false
Media sources can report information accurately, so skepticism is necessary
true
false
Significant digits are the number of digits in a measurement that are known with a certain degree of reliability.
that is true
that is false
that I have no clue
Balances measure masses of objects.
true
false
Which of the following is NOT a branch of science?
life
biodiesel
Earth
physical
1.4 has 2 significant digits as a result of which rule?
All nonzero numbers are significant.
Zeros between nonzero digits are significant.
Final zeros after the decimal point are significant.
Zeros used solely for spacing the decimal point are not significant
Which digits are significant in 0.045?
both zeros only
4 and 5
0, 4, and 5 to the right of the decimal
All digits are significant
Which of the following is a way that scientists communicate their results to others?
speak at a conference
write scientific articles
exchange information on the Internet
all answers are correct
Which scientific tool would be primarily used by life scientists?
thermometers
dissecting tools
balances
computers
Which of the following describes a pattern or an event in nature that is always true?
scientific therory
scientific law
scientific experiment
scientific truth
Scientists analyze results by using which tool(s) to help recognize patterns?
graphing and tables
models and calculations
speaking at conferences
graphing, tables, models, and calculations
An explanation of observations of events based on knowledge gained from many observations and investigations is which of the following?
scientific law
scientific theory
scientific truth
scientific experiment
Which involves studying a small amount of something in order to learn about the larger whole?
bias
skepticism
sampling
none of these are correct
Which scientific tool is where observations are recorded and organized?
balance
glassware
thermometer
science journal
A research hypothesis includes the original hypothesis, a method of testing it, and a(n) _____ that supports the hypothesis.
analysis
prediction
observation
conclusion
When using living animals in scientific research, which of the following is especially important?
precision
bias
ethics
constants
Which is NOT a result of scientific inquiry?
adding more branches of science
possible explanations for questions
technology
new materials
Which is accurate and precise?
A
B
C
D
Which is NOT accurate or precise?
A
B
C
D
In the diagram of the ruler, 0.03 cm is which kind of digit?
known
estimated
significant
variable
In the diagram of the ruler, 0.2 cm is which kind of digit?
known
estimated
significant
Variable
In the diagram of the ruler, 5 cm is which kind of digit?
known
estimated
significant
variable
Biodiesel is a fuel made primarily from which object?
non-living
living
rock-like
non-living
Algae are _____.
plant-like protists
fossils
non-living
found only in oceans
Which group is the part of a controlled experiment where the independent variable does NOT change?
experimental group
control group
constant group
variable group
How long ago did the U.S. Department of Energy begin funding the Aquatic Species Program to study methods of reducing CO pollutants?
1950's
1960's
1970's
1980's
Which oil-producing microalgae did scientists predict would be more resistant to changes in temperature and salt content in the water?
algae found in shallow ponds
algae found in inland pools
algae found in saltwater ponds
all are correct
Light rods are one method to bring light to microalgae. Which is an alternate method of bringing light to microalgae?
scrubbers
paddlewheels
thermometers
bioreactors
A prediction or statement that can be tested is ________.
a conclusion
an observation
a control
a hypothesis
Label A shows the coal-burning electric _______________ plant.
sun
power
pond
scrubber
Label C in the diagram shows _______which is necessary for growing microalgae indoors.
the sun
the moon
Jupiter
Earth
Label B in the diagram shows the _______ with microalgae.
scrubber
pond
power plant
sun
The ________, labeled D, removes co2 from smokestack gases.
scrubber
pond
sun
power plant
This diagram shows a _________ study of three types of cereal.
blind
taste
random
The use of knowledge to make products or tools that people can use
technology
hypothesis
SI
independent variable
A system of units used by scientists that is based on units of ten
SI metric
English system
a prediction or statement that can be tested
hypothesis
scientific law
scientific experiment
conclusion
a statement about what will happen next in a sequence of events
observation
prediction
conclusion
constant
a logical conclusion based on available information or evidence
constant
inference
conclusion
dependent variable
The factor in an experiment that is manipulated or changed by the investigator
independent variable
dependent variable
prediction
inference
Either supports or does not support a hypothesis
conclusion
constant
inference
technology
What is the name of this chapter?
Nature of Explanations - Scientific
Nature of Science - Scientific Explanations
Scientific Nature of Explanations
Explanations of Nature and Science
How many lessons are in this chapter?
1
2
3
4
