Physical and Chemical Changes Flashcards
What is a Physical Change?
type of change where the physical properties of matter change
Evidences of Physical Change
-Melting
-Transition to gas
-Transition to crystal form
-Changes with texture, shape, size, color, volume and density
What is a Chemical Change?
-change of materials into another, new materials with different properties
-when a substance combines with another to form a new substance (synthesis)
-form one or more than one new substances (decomposition)
Evidences of Chemical Change
-changes in color, energy, temperature, light produced
-gas production
-burning
-formation of precipitate
ice cube melting into water in your drink
Physical Change
Freezing water to make ice cubes
Physical Change
Boiling water evaporating
Physical Change
Hot shower water turning to steam
Physical Change
Steam from the shower condensing on a mirror
Physical Change
Crushing an empty milk carton
Physical Change
Boiling pasta to make it soft
Physical Change
Dissolving sugar in your coffee
Physical Change
Shaking up a bottle of Italian dressing
Physical Change
Freeze-drying fruits
Physical Change
Thawing raw meat
Physical Change
Chopping a vegetable into pieces
Physical Change
Melting candy
Physical Change
Dissolving a drink mix into water
Physical Change
Adding milk to cereal
Physical Change
Sharpening a knife
Physical Change
Freezing juice into popsicles
Physical Change
Adding food dye to white icing
Physical Change
Coloring Easter eggs
Physical Change
Mixing fruits in a fruit salad
Physical Change
Letting gelatin set in the fridge
Physical Change
A plastic chair’s color fading
Physical Change
Sanding wood
Physical Change
Mixing dirt and water to make mud
Physical Change
Icicles forming on the edge of your roof
Physical Change
Mowing the lawn
Physical Change
Bending wire
Physical Change
Tying a rope in a knot
Physical Change
Trimming a bush
Physical Change
Evaporating puddles
Physical Change
Deconstructing a box after a delivery
Physical Change
Cutting an old credit card into pieces
Physical Change
Cutting your hair
Physical Change
Sharpening a pencil
Physical Change
Crocheting yarn into a blanket
Physical Change
Melting crayons
Physical Change
Shredding paper
Physical Change
