chemical change

welcome to kieara's cheat pages!

(exclusive access)

vocab

• physical change- A change that alters the form or appearance of a material but does not make the material into another substance

• chemical change- A change in which one or more substances combine or break apart to form new substances.

• reactant- A substance that enters into a chemical reaction.

• product- A substance formed as a result of a chemical reaction.

• exothermic reaction- A reaction that releases energy, usually in the form of heat.

• endothermic reaction- A reaction that absorbs energy.

• (to copy, press ctrl key and c) (to paste, press ctrl key and v)

Multiple Select

check off all examples of a physical change. (REMEMBER THESE)

• color change

• cutting an apple

• boiling water

• melting a ice cube

• cutting wood

Multiple Select

check off all examples of a chemical change. (REMEMBER THESE)

• burning wood

• iron rusting

• digesting food

• dicing a onion

• baking a cake

Open Ended

what other topics/lessons should I go over?