Theory vs. Law
Question: What type of scientific knowledge describes a consistent pattern in nature?
Answer: Scientific law
Question: Scientific claims should be supported by what?
Evidence
Question: Which scientist first used the term “cells” after observing cork?
Answer: Robert Hooke
Question: Which experiment produced amino acids under simulated early-Earth conditions?
Answer: Miller-Urey
Question: What term means how much larger an image appears?
Answer: Magnification
Question: What type of scientific knowledge explains how or why something happens?
Answer: Scientific theory
Question: A claim that cannot be tested is most likely what?
Pseudoscience
Question: Which scientist observed living microorganisms?
Answer: Leeuwenhoek
Question: Which hypothesis suggests RNA played an early role in storing information and catalyzing reactions?
RNA World Hypothesis
Question: What term means the ability to distinguish two nearby points?
Answer: Resolution
Question: A scientist identifies a pattern that occurs repeatedly but does not explain why it occurs. Which is it?
A. Theory
B. Hypothesis
C. Pseudoscience
D. Law
D. Law
Question: Customer testimonials are used instead of experiments. Science or pseudoscience?
Pseudoscience
Question: Which principle states that new cells come from existing cells?
Answer: Pre-existing cells
Question: Which hypothesis suggests life or life-related material may have arrived from space?
Answer: Panspermia
Question: Which microscope is better for viewing living cells?
Answer: Light microscope
Question: A new discovery causes scientists to revise part of an established theory. What does this show?
A. The theory was never scientific
B. Scientific knowledge can change with new evidence
C. Laws are more reliable than theories
D. Scientific theories cannot be tested
B. Scientific knowledge can change with new evidence
Question: Which claim is more scientific?
A. One supported by repeated experiments
B. One supported only by opinions
C. One that cannot be tested
D. One that ignores conflicting evidence
A. One supported by repeated experiments
Question: A scientist observes cells dividing to form new cells. Which principle is supported?
A. All organisms are multicellular
B. Cells form spontaneously
C. All cells come from pre-existing cells
D. Cells are the basic unit of life
C. All cells come from pre-existing cells
Question: What did the Miller-Urey experiment provide evidence for?
A. Life formed instantly
B. Organic molecules can form from nonliving materials
C. Cells came from space
D. DNA existed before RNA
B. Organic molecules can form from nonliving materials
Question: A scientist needs to see extremely small internal cell structures in very high detail. Which microscope is best?
A. Hand lens
B. Light microscope
C. Electron microscope
D. Dissecting microscope
C. Electron microscope
Question: What does a scientific theory become after enough evidence is collected?
It remains a theory
Question: A researcher changes an explanation after new evidence contradicts it. Which feature of science is shown?
A. Science never changes
B. Science depends on beliefs
C. Science avoids testing
D. Science is revisable
Answer: D. Science is revisable
Question: A new organism is made of cells, its cells perform life processes, and new cells form by division. Which conclusion is best supported?
A. One principle applies
B. All three principles apply
C. Two principles apply
D. Cell theory is disproven
B. All three principles apply
Question: Which sequence is most logical?
A. Early Earth conditions → organic molecules → protocells → first cells
B. First cells → organic molecules → early Earth conditions
C. Protocells → early Earth conditions → organic molecules
D. Organic molecules → first cells → early Earth conditions
A. Early Earth conditions → organic molecules → protocells → first cells
Question: Two microscopes have the same magnification, but one shows two nearby structures separately while the other shows one blur. Which property is better in the first microscope?
A. Field of view
B. Magnification
C. Specimen size
D. Resolution
Answer: D. Resolution