Changing Materials
The following are examples of either physical changes or chemical ones. Fill in the table below with them and be prepared to
explain your answers.
Bicycle tyre
going flat
Burning methane
Milk turning sour
Adding vinegar to
bicarbonate of
soda
Breaking an egg
Chocolate
melting
Physical Changes
Candle burning
Painting nails
with nail varnish
Steam
condensing on a
window
Adding
magnesium to
acid
Cheese going
mouldy
Adding hot water
to pot noodles
Chemical Changes
Can’t Decide