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energy

science

QuestionAnswer
what correctly describes energy? can cause change
the temperature of an object is related to what? kinetic energy of its atoms
what happens if two objects at different temperatures are touching? heat moves from the warmer object
what describes how the total amount of energy changes during an energy transformation? it stays the same
how is energy from the sun transferred to the earth? radiaton
when would you have the most potential energy? sitting at the top of a hill
what chemical reaction releases heat energy? exothermic
heat flows easily in what material? conductors
what causes a metal spoon in a pot of boiling soup to become hot? conduction
what occurs as you hold a glass of iced tea? heat flows from your hand to the glass
describe the energy stored in chemical bonds? a form of potential energy
the kinetic energy of an object depends on what? its mass and speed
what is a good conductor of heat? copper
is heat more or less dense than the cold? less dense
what role does saliva play? a catalyst
how is energy stored in a cracker? calories
how is energy released from the cracker? by digesting it
in a chemical, chemical bonds what and what between particles? form and break
living things depend on what for food and oxygen? plants
Created by: 9oscar9
Popular Earth Science sets

 

 



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