Coffin- Phases/States/Physical and Chemical Changes

Front

Is spoiling food a physical or chemical change?

Back

Chemical change occurs when food spoils due to the breakdown of its components.

Front

Is burning wood a chemical or physical change?

Back

Burning wood is a chemical change as it transforms the wood into ash and gases.

Front

If a liquid turns into a gas, what is happening to the amount of energy in the liquid?

Back

The amount of energy in the liquid is increasing, leading to the phase change.

Front

Matter is made up of tiny particles called ...

Back

Atoms.

Front

What causes phase changes in matter?

Back

Energy changes, such as heat absorption or release, cause phase changes.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance without changing its identity, while a chemical change results in the formation of new substances.

Front

What happens to the particles of a substance during a phase change?

Back

The arrangement and energy of the particles change, affecting their state.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change, as it changes from solid to liquid without altering its chemical composition.

Front

What is an example of a chemical change?

Back

Rusting of iron is an example of a chemical change, as it forms a new substance (iron oxide).

Front

What is the role of energy in phase changes?

Back

Energy is either absorbed or released during phase changes, affecting the state of matter.