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Physical Science Q2

QuestionAnswer
The study of how atoms, molecules, and chemicals interact with each other. Chemistry
The study of nonliving things that make up the world Physical Science
The study of matter, energy, motion, and forces Physics
What are the two branches of physical Science? Chemistry and Physics
Name the benefits and drawbacks of chemistry. Benefits - Developed compounds and materials useful for everyday life including plastics, pesticides and drugs Drawbacks - Air and water pollution
Name the benefits and drawbacks of physics Benefits - technology applications like nuclear power, space exploration, modern transportation Drawbacks - radioactive waste other environmental effects
How many feet are in a meter? 3.28 ft/m
How many meters are in a foot? 0.3048 m/ft
How should a Christian view Science and technology? Science is a tool to better know God and his creation Christians have a responsibility to use technology wisely
What is a conversion factor? Relationship of one unit to another in fraction form 1 Meter/ 3.28 feet
How many cm in a meter? 100
How many meters in a kilometer? 1000
The smallest unit into which an element can be divided and still maintains its properties Atom
A pure substance consisting of atoms of two or more elements that are chemically combined in a fixed proportion Compound
A pure substance that cannot be broken down into simpler substances by physical or chemical means Element
Anything that has mass and takes up space Matter
A particle consisting of two or more atoms chemically tied together Molecule
Substance of constant composition that possesses definite qualities Pure substance
What is the purpose of classifying matter? To help people talk about and study them in detail.
A method of separating mixtures according to how different components are absorbed Chromatography
A method of separating a liquid mixture by heating so the liquid evaporates and condenses Distillation
The use of paper or other materials remove solid particles from a liquid mixture Ffiltration
A combination of substances in which the particles are not uniformly distributed Heterogenous mixture
A combination of substances in which the property and appearance are the same throughout Homogenous mixture
A combination of two or more substances that are not chemically combined Mixture
What are the two types of heterogeneous mixtures Colloids and suspensions
A mixture in which the particles of a substance are mixed throughout but are large enough to settle Suspension
What is the Tyndall effect The scattering of light by colloids
Can be used to spin mixtures that a very high rate and separate the components according to their densities Centrifuge
Created by: Reener