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chemical reactions
physical changes
chemical equations
symbols
changes
100
chemical properties
What is the ability of a substance to react with the other substance?
100
does not create anything new, paper is still torn.
When paper is torn, it is a physical change because why?
100
Nal
What is the formula of the reaction product when sodium reacts with iodine?
100
substances that are combined
What is plus sign(+)
100
chemical reaction
What is baking a cake?
200
answers may vary
What are 2 chemical reactions?
200
answers may vary
What are 2 physical changes?
200
yields and represents the results of a reaction
What is the minus sign(-)
200
chemical change
What is dying your hair?
300
color,temperature, or state of matter
What is an unexpected change in chemical reaction?
300
it doesn't create a new substance
What is the reason for melting being a physical change?
300
reaction is reversable
What is the 2 way arrow?(<->)
300
PHYSICAL
What is squeezing oranges?
400
when it is unexpected
when is color change considered a chemical reaction?
400
no
is rusting a physical change?
400
indicates the phase change
What is the up arrow?
400
CHEMICAL
what us spoiling food?
500
produces a new substance, a gas or carbon dioxide
Mixing vinegar and baking soda is considered a chemical reaction because why?
500
A change that may cause the substance to look differently in size or shape, but does not create a new substance or unexpected change.
What is physical change?
500
indicates a precipitate
What is the down arrow?
500
PHYSICAL
What is mowing the lawn?