How can we help?

You can also find more resources in our Help Center.

40 terms

Chemical and Physical Changes

Determine if the following changes are chemical or physical. Remember that chemical changes form new substances, physical changes do not.
STUDY
PLAY
physical
salt dissolves in water
chemical
hydrochloric acid reacts with potassium hydroxide to produce a salt, water and heat
physical
a piece of sodium is sliced in two
physical
water is heated and changed to steam
chemical
iron rusts
chemical
sodium explodes in water
physical
evaporation
physical
ice melting
chemical
milk sours
physical
sugar desolves in water
chemical
wood rotting
chemical
pancakes cooking on a grittle
chemical
grass growing in a lawn
physical
a tire is inflated with air
chemical
food is digested in the stomach
physical
water is absorbed by a paper towel
physical
a glass is broken
physical
a pot of water is boiling
chemical
dough is baked into a cake,
physical
perfume evaporating on your skin
physical
butter melting
chemical
charcoal heating on a grill
physical
hot glass cracking when placed in cold water
physical
melting gold
chemical
burning sugar
physical
mixing sugar in water
physical
fogging a mirror with your breath
physical
breaking a bone
chemical
your body mending a broken bone
chemical
burning paper
physical
slicing potatoes for fries
physical
mixing sugar with coffee
chemical
frying chicken
chemical
a nail rusting
physical
paper ripping
chemical
wood burning
physical
mixing water and food coloring
chemical
food molding (rotting)
physical
writing on paper
chemical
bleaching fabric