Module 2 Flashcards
The defining feature of the scientific method is: A. the results B. a test of hypothesis C. desired outcome D. the data E. a strong intuition
the data
Which of the following statements is false?
A. Scientific research leads to more questions
B. Science investigates only the natural world
C. Scientific research provides the truth
D. Science is based on evidence
E. Scientific ideas are testable
Scientific research provides the truth
Which of the following describes a well-tested scientific explanation? A. data B. hypothesis C. empirical observation D. law E. theory
theory
A scientific hypothesis is:
a testable explanation of why something exists or operates as it does
Another term for “testable prediction” is:
hypothesis
Which order is a correct listing of the scientific method? A. hypothesis, observation, theory B. theory, hypothesis, observation C. observation, theory, hypothesis D. theory, observation, hypothesis E. observation, hypothesis, theory
observation, hypothesis, theory
Physical science and life science are:
A. governed by different laws
B. governed by the same principles
C. making discoveries in one doesn’t apply to the other
D. not using mathematics to test the data
E. not sharing the knowledge between disciplines
governed by the same principles
What process is primarily responsible for the movement of carbon from the atmosphere to living organisms?
Photosynthesis / autotrophy
The concept or paradigm which unifies all of the sciences today is ____________.
evolution
Which of the following perspectives is commonly held by scientist?
A. The world is stable, fixed, and unchanging.
B. The world is only 6,000 years old.
C. Change is only an illusion.
D. The world is dynamic and in constant change.
E. All things in the world can only be explained using supernatural causes.
The world is dynamic and in constant change.
Name an important element required for muscle contraction and bone integrity.
Calcium
Name an element that is vital to the formation of carbohydrates, lipids, and proteins.
Carbon
Name an element that is responsible for the activity of many enzymes (molecules that increase the rate of chemical reactions).
Magnesium
A substance that releases hydrogen ions in solution is a/an:
acid
Which element is a component of some vitamins and many proteins?
Sulfur
Which element is a metal and a component of hemoglobin (oxygen-carrying molecule in the blood)?
Iron
Atoms are the smallest unit of matter that retains the _____ of an element.
characteristics
This element is vital for the storage of energy (ATP).
Phosphorus
Substances with 2 or more different elements are classified as ________.
compounds
The physical state of matter that has a definite shape with tightly packed atoms/molecules is a ______.
solid
The physical state of matter that has an indefinite shape and definite volume with mobile molecules id a ____.
liquid
The physical state of matter that has indefinite volume with independent, widely spaced atoms/molecules is a _________.
gas
A body at rest with the ability to move has ______ energy.
potential
A body in motion is an example of ______ energy.
kinetic