U3L3 Study Guide: Thermal Energy & Chemical Processes
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12 Terms
Exothermic chemical processes _________
Release energy
Endothermic chemical processes _________
Absorb energy
Release energy
Exothermic
Absorb energy
Endothermic
Exothermic chemical processes
Burning paper, wood, candle
Iron rusting
Fireworks exploding
Cellular respiration- burning food when you eat it.
Endothermic chemical processes
Baking/cooking a cake, bread or egg
Photosynthesis- plants making the food for us to eat.
Melting ice cubes
Dissolving rock salt in water
What can happen when energy is transferred from one system to another?
The energy changes form
Energy is released in this reaction (Exothermic)
Ways to increase the rate of chemical reaction
Increasing the temperature
Increasing the surface area of a solid reactant
Increasing the concentration of reactants
Adding a catalyst
Conduction
energy is transferred as particles bump into each other
Convection
energy is transferred through matter that flows
Radiation
energy can travel through space, where there is NO MATTER
Note 
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