C371- Concepts in Science (WGU) Exam
Questions With Correct Answers
Matter ||- ||CORRECT ||ANSWER✔✔-Defined ||as ||anything ||that ||occupies ||space ||and ||has ||mass; ||
all ||around ||us.
Solids ||- ||CORRECT ||ANSWER✔✔-rigid ||and ||possesses ||a ||definite ||shape
Liquids ||- ||CORRECT ||ANSWER✔✔-Flows ||and ||takes ||the ||shape ||of ||a ||container.
Gases ||- ||CORRECT ||ANSWER✔✔-Takes ||both ||the ||shape ||and ||volume ||of ||its ||container.
Mass ||- ||CORRECT ||ANSWER✔✔-A ||measure ||of ||the ||amount ||of ||matter ||in ||an ||object
Weight ||- ||CORRECT ||ANSWER✔✔-A ||measure ||of ||the ||gravitational ||force ||exerted ||on ||an ||
object.
Law ||of ||Conservation ||of ||Mass ||- ||CORRECT ||ANSWER✔✔-Matter ||is ||not ||created ||nor ||
destroyed ||in ||any ||chemical ||or ||physical ||change
Pure ||Substances ||- ||CORRECT ||ANSWER✔✔-A ||sample ||of ||matter, ||either ||a ||single ||element ||or
||a ||single ||compound, ||that ||has ||definite ||chemical ||and ||physical ||properties. ||Constant ||
composition.
Elements ||- ||CORRECT ||ANSWER✔✔-any ||substance ||that ||cannot ||be ||broken ||down ||into ||
simpler ||substances
, Compounds ||- ||CORRECT ||ANSWER✔✔-a ||thing ||that ||is ||composed ||of ||two ||or ||more ||separate ||
elements ||that ||can ||be ||broken ||down ||by ||chemical ||changes.
Mixtures ||- ||CORRECT ||ANSWER✔✔-A ||combination ||of ||two ||or ||more ||substances ||that ||are ||not
||chemically ||combined; ||can ||be ||separated ||by ||physical ||changes, ||such ||as ||evaporation.
heterogeneous ||mixture ||- ||CORRECT ||ANSWER✔✔-A ||mixture ||with ||a ||composition ||that ||varies
||from ||point ||to ||point.
homogeneous ||mixture ||- ||CORRECT ||ANSWER✔✔-(also, ||solution) ||combination ||of ||substances
||with ||a ||composition ||that ||is ||uniform ||throughout
physical ||property ||- ||CORRECT ||ANSWER✔✔-A ||characteristic ||of ||a ||pure ||substance ||that ||can ||
be ||observed ||without ||changing ||it ||into ||another ||substance.
physical ||change ||- ||CORRECT ||ANSWER✔✔-A ||change ||in ||a ||substance ||that ||does ||not ||change ||
its ||identity ||or ||chemical ||composition.
chemical ||property ||- ||CORRECT ||ANSWER✔✔-A ||characteristic ||of ||a ||pure ||substance ||that ||
describes ||its ||ability ||to ||change ||into ||different ||substances
chemical ||change ||- ||CORRECT ||ANSWER✔✔-A ||change ||in ||matter ||that ||produces ||one ||or ||more
||new ||substances
extensive ||property ||- ||CORRECT ||ANSWER✔✔-a ||property ||that ||depends ||on ||the ||amount ||of ||
matter ||in ||a ||sample
intensive ||property ||- ||CORRECT ||ANSWER✔✔-a ||physical ||property ||that ||remains ||the ||same ||no
||matter ||how ||much ||of ||a ||substance ||is ||present
Questions With Correct Answers
Matter ||- ||CORRECT ||ANSWER✔✔-Defined ||as ||anything ||that ||occupies ||space ||and ||has ||mass; ||
all ||around ||us.
Solids ||- ||CORRECT ||ANSWER✔✔-rigid ||and ||possesses ||a ||definite ||shape
Liquids ||- ||CORRECT ||ANSWER✔✔-Flows ||and ||takes ||the ||shape ||of ||a ||container.
Gases ||- ||CORRECT ||ANSWER✔✔-Takes ||both ||the ||shape ||and ||volume ||of ||its ||container.
Mass ||- ||CORRECT ||ANSWER✔✔-A ||measure ||of ||the ||amount ||of ||matter ||in ||an ||object
Weight ||- ||CORRECT ||ANSWER✔✔-A ||measure ||of ||the ||gravitational ||force ||exerted ||on ||an ||
object.
Law ||of ||Conservation ||of ||Mass ||- ||CORRECT ||ANSWER✔✔-Matter ||is ||not ||created ||nor ||
destroyed ||in ||any ||chemical ||or ||physical ||change
Pure ||Substances ||- ||CORRECT ||ANSWER✔✔-A ||sample ||of ||matter, ||either ||a ||single ||element ||or
||a ||single ||compound, ||that ||has ||definite ||chemical ||and ||physical ||properties. ||Constant ||
composition.
Elements ||- ||CORRECT ||ANSWER✔✔-any ||substance ||that ||cannot ||be ||broken ||down ||into ||
simpler ||substances
, Compounds ||- ||CORRECT ||ANSWER✔✔-a ||thing ||that ||is ||composed ||of ||two ||or ||more ||separate ||
elements ||that ||can ||be ||broken ||down ||by ||chemical ||changes.
Mixtures ||- ||CORRECT ||ANSWER✔✔-A ||combination ||of ||two ||or ||more ||substances ||that ||are ||not
||chemically ||combined; ||can ||be ||separated ||by ||physical ||changes, ||such ||as ||evaporation.
heterogeneous ||mixture ||- ||CORRECT ||ANSWER✔✔-A ||mixture ||with ||a ||composition ||that ||varies
||from ||point ||to ||point.
homogeneous ||mixture ||- ||CORRECT ||ANSWER✔✔-(also, ||solution) ||combination ||of ||substances
||with ||a ||composition ||that ||is ||uniform ||throughout
physical ||property ||- ||CORRECT ||ANSWER✔✔-A ||characteristic ||of ||a ||pure ||substance ||that ||can ||
be ||observed ||without ||changing ||it ||into ||another ||substance.
physical ||change ||- ||CORRECT ||ANSWER✔✔-A ||change ||in ||a ||substance ||that ||does ||not ||change ||
its ||identity ||or ||chemical ||composition.
chemical ||property ||- ||CORRECT ||ANSWER✔✔-A ||characteristic ||of ||a ||pure ||substance ||that ||
describes ||its ||ability ||to ||change ||into ||different ||substances
chemical ||change ||- ||CORRECT ||ANSWER✔✔-A ||change ||in ||matter ||that ||produces ||one ||or ||more
||new ||substances
extensive ||property ||- ||CORRECT ||ANSWER✔✔-a ||property ||that ||depends ||on ||the ||amount ||of ||
matter ||in ||a ||sample
intensive ||property ||- ||CORRECT ||ANSWER✔✔-a ||physical ||property ||that ||remains ||the ||same ||no
||matter ||how ||much ||of ||a ||substance ||is ||present
