Background: Keeping the difference between physical and chemical properties, as well as, changes can be a challenge. This worksheet will help you do this. First, use the book to define the following terms.
Vocabulary Word / DefinitionPhysical Property
Physical Change / Change in which the identity of the substance does NOT change
Chemical Property
Chemical Change
Part One: Physical or chemical property? Fill in the chart using the vocabulary words or phrases provided.
Vocabulary WordsBoiling Point / Ability to Rust / Melting Point / Brittleness / Reactivity with vinegar
Elasticity / Flammability / Density / Transparency / Ductility
Each word is used only once. Define the word when done!
Chemical Property / Definition
Physical Property / Definition
Part Two: Physical or Chemical Change? Indicate with a ‘P’ or a ‘C’ which type of change is taking place.
1
- ____ glass breaking
- ____ hammering wood together
- ____ a rusting bicycle
- ____ melting butter
- ____separate sand from gravel
- ____bleaching your hair
- ____frying an egg
- ____squeeze orange for juice
- ____melting ice
- ____mixing salt and water
- ____mixing oil and water
- ____water evaporating
- ____cutting grass
- ____burning leaves
- ____fireworks exploding
- ____cutting your hair
- ____crushing a can
- ____boiling water
1
Part Three: If false, correct the underlined portion of the statement so that it is true.
- A physical change is a change of matter from one form to another without a change in chemical properties.
- A physical change is a change that occurs when a substance changes composition by forming one or more new substances.
- Color change is evidence that a chemical change may have occurred.
- Fizzing or foaming is evidence that a chemical change may have occurred.
- Production of light is evidence that a physical change may have occurred.
- A change in odor is evidence that a physical change may have occurred.
- Production of heat or light is evidence that a chemical change may have occurred.
- Chemical changes can be reversed by a physical change.
Part Four: Identify each of the following as either a Physical change (P) or a chemical change (C).
- ______You cut your hair.
- ______Making a peanut, pretzel, and cereal mixture.
- ______Baking soda reacts with vinegar and forms a gas.
- ______A piece of metal is bent in half.
- ______An aspirin is crushed into a fine powder.
- ______Copper turned green when exposed to the environment.
- ______Two clear liquids are mixed and a yellow color forms.
- ______Baking cookies.
- ______Diamonds are used to scratch glass.
- ______A tree burns to form ashes.
- ______A piece of paper is crumpled up.
- ______Water freezes to form ice.
- ______Food spoiling.
- ______A candle burning.
- ______A candle melting.
1