Velocity of body remains constant unless the body is acted upon by an external force
What is Newton's First Law of Motion (inertia)?
100
The galaxy that contains the solar system
What is the Milky Way?
100
The change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated
What is reflection?
100
What class does a frog belong to?
Amphibian
100
The first step of the scientific method
What is "defining the question"?
200
Distance of change divided by time from relative position
What is velocity?
200
The astronomical model in which the Earth and planets revolve around a stationary Sun at the center of the universe
What is heliocentrism?
200
An elementary particle, the quantum of light and all other forms of electromagnetic radiation, and the force carrier for the electromagnetic force
What is a photon?
200
Theory that states that the cell is the fundamental unit of life, and that all living things are composed of one or more cells or the secreted products of those cells
What is cell theory?
200
A suggested explanation of a phenomenon, or alternately a reasoned proposal suggesting a possible correlation between or among a set of phenomena
What is a hypothesis?
300
The tendency of a force to rotate an object about an axis, fulcrum, or pivot
What is a torque?
300
Theory that states the universe expanded from an extremely, hot, dense space
What is the Big Bang?
300
Device that emits light (electromagnetic radiation) through a process of optical amplification based on the stimulated emission of photons
What is a laser?
300
Central organizing concept in biology is that life changes and develops through evolution, and that all life-forms known have a common origin
What is evolution?
300
Philosopher who believed that all universal truths could be reached via induction
Who is Aristotle?
400
A movement or flow of electrically charged particles, typically measured in amperes
What is an electric current?
400
Region of spacetime from which nothing, not even light, can escape
What is a black hole?
400
Property of certain types of waves that describes the orientation of their oscillations
What is polarization?
400
Formal system of naming species of living things by giving each a name composed of two parts
What is binomial nomenclature?
400
Testing the hypothesis
What is an experiment?
500
6.626068 × 10-34 m2 kg / s, reflects the sizes of energy quanta in quantum mechanics
What is Planck Constant?
500
Theory that states the observed gravitational attraction between masses results from their warping of space and time
What is general relativity?
500
Theory that states for all linear systems, the net response at a given place and time caused by two or more stimuli is the sum of the responses which would have been caused by each stimulus individually
What is the Superposition principle?
500
nucleic acid containing the genetic instructions used in the development and functioning of all known living organisms
What is DNA?
500
Is considered by some to be the father of the scientific method