Questions Fully Solved
Physics - Answer The study of forces, energy, motion
Chemistry - Answer The study of atoms and molecules, their structures, and their interactions to form
substances
Earth science - Answer The study of the Earth's structure and composition, and processes that change
Earth
essential attributes of science - Answer Studies the natural world
Uses testable ideas
Relies on data from observations/experiments
Presented for evaluation by other scientists
Leads to further questions/research
variables - Answer The changing quantities in an experiment
independent variable - Answer What you change in an experiment on purpose
dependent variable - Answer The variable that changes because of an independent variable
control variable - Answer The variable(s) you don't want to study, need to be either eliminated or kept
constant
observational study - Answer When systems are observed as they appear in nature, researchers do not
attempt to change them
physical model - Answer A model of a physical phenomenon, such as a planetary system
, conceptual model - Answer A model used to visualize things that cannot be seen, such as atoms
mathematical model - Answer A model that treats physical objects/phenomena using mathematical
methods
computer model - Answer A detailed, complex model calculated by a computer
principle of falsification - Answer Principle that only falsifiable statements can be subject to scientific
inquiry
hypothesis - Answer A testable statement about how something in nature works
law - Answer A concise statement that is supported by scientific evidence and repeated experiments,
describes a widespread pattern in nature (what)
theory - Answer A statement that explains a wide range of observations, supported by a large body of
scientific evidence (how/why)
meter - Answer Base unit of length
kilogram - Answer Base unit of mass
second - Answer Base unit of time
kelvin - Answer Base unit of temperature
Derived units - Answer What is produced when the base units/quantities are combined
Speed - Answer The name for the distance traveled divided by an interval of time