Unit One Flashcards
(24 cards)
A broad and extensively tested explanation of why experiments give certain results
Scientific theory
A logical approach to the solution of scientific results
Scientific method
A concise statement that summarizes the result of many observation and experiments
Scientific law
A means to test a hypothesis
Experiment
A proposed explanation for an observation
Hypothesis
An iron ball falls to earth when you drop it, what is that experiment, hypothesis, observation, or theory?
Observation
Earth is a giant magnet is it a hypothesis, observation, or theory?
Hypothesis
An iron ball and a piece of wood are dropped at the same time from the same height is it a hypothesis, observation, or theory?
Experiment
The iron ball and wood fall at the same rate is it a hypothesis, observation, or theory?
Observation
The large mass of earth causes it to exert the same gravitational attraction on any object, regardless of the objects composition. Is it a hypothesis, observation, or theory?
Hypothesis
A quality or condition of a substance that can be observed or measured without changing the substances composition?
Physical property
Matter that assumes both the shape and volume of its container
Gas
Matter that has a uniform and definite composition
Substance
Anything that has mass and takes up space
Matter
Matter that has a definite shape and volume
Solid
The amount of matter that has a object contains
Mass
Matter that has a definite volume and takes the shape of its container
Liquid
Alteration of a material without changing its chemical composition
Physical change
Gaseous state of a substance that generally exists as a liquid or solid at room temperature
Vapor
Is steam a solid, Liquid, gas or vapor?
Vapor
Is gasoline a Liquid, gas or vapor
Gas
Is a hockey puck a Liquid, gas or vapor
Solid
Is filtered apple juice a Liquid, gas or vapor
Liquid
The use of ones senses to obtain information directly
Observation
