Physical Properties
What property measures the amount of space an object takes up?
Volume
What property describes how a substance reacts with oxygen?
Reactivity
What kind of change occurs when water boils?
Physical Change
What happens to bonds during a chemical change?
They are broken and new ones form
What does the Law of Conservation of Mass state
Mass is neither created nor destroyed during changes.
What is the term for a material's ability to conduct heat?
Thermal Conductivity
What property measures whether a substance can catch fire?
Flammability
Is melting butter a physical or chemical change?
Physical Change
Name one sign of a chemical change
Change in color, production of gas, or production of heat/light.
In a chemical reaction, how does the mass of the reactants compare to the products?
They are equal
Name a physical property of an apple.
Colour, texture, mass, or density
What is a chemical property of iron?
Rusting when exposed to oxygen and moisture
Can most physical changes be reversed?
Yes
Is burning paper a physical or chemical change?
Chemical Change
Why does the mass remain the same during a physical change?
The substance's identity does not change.
What property is defined as the amount of mass in a given volume?
Density
Why is flammability considered a chemical property?
It involves a chemical change when a substance burns.
Why is dissolving salt in water a physical change?
The salt and water retain their identities.
What is a precipitate?
An insoluble solid formed in a chemical reaction
What happens to the mass of ash and gases when paper burns?
It equals the original mass of the paper
What term describes a fluid's resistance to flow?
Viscosity
Which property determines a substance's ability to participate in a chemical reaction?
Reactivity
What happens to the identity of a substance during a physical change?
It stays the same
Why are most chemical changes irreversible?
New substances with different properties are formed
What type of change—physical or chemical—demonstrates the Law of Conservation of Mass?
Both types