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Transcript

Matter Dichotomous Key

By Lauren Nakada

EXPLOSION

MELTING

EXOTHERMIC REACTIONS

not so controlled

turns into liquid

gives off heat

LIGHTING A MATCH

BOILING

more controlled

gives off heat

turns into gas

WATER+AMMONIUM NITRATE

ammounium nitrate

FREEZING

ENDOTHERMIC REACTIONS

turns into solid

WATER+POTASSIUM CHLORIDE

takes away heat

potassium chloride

CONDENSATION

takes away heat

turns into liquid

CHEMICAL CHANGES

PHYSICAL CHANGES

changes chemical make-up

doesn't change the make-up

MATTER

MIXTURES

PURE SUBSTANCES

make-up is always the same

make-up can change

COFFEE

OXYGEN

food

non-toxic

ELEMENTS

HOMOGENEOUS MIXTURE

CHLORINE

looks the same throughout

simple

toxic

GUNPOWDER

not food

WATER

FRUITLOOPS

HETEROGENEOUS MIXTURE

non-toxic

COMPOUND

food

looks different throughout

put together

HYDROCHLORIC ACID

MUD

toxic

not food

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