S5P1 Physical & Chemical Changes Review

Front

What is the temperature of ice in Celsius?

Back

Below 0°C (ice is a solid).

Front

What is a characteristic of gas?

Back

Has fast-moving particles.

Front

What is a Physical Change?

Back

A change that alters the physical properties (appearance) of a substance without changing its composition.

Front

What is evidence of a Chemical Change?

Back

A change in color of the substance.

Front

True or False: Physical properties can be observed and measured.

Back

True.

Front

What are the three states of matter?

Back

Solid, Liquid, Gas.

Front

What happens to the particles in a solid?

Back

They are closely packed and vibrate in place.

Front

What happens to the particles in a liquid?

Back

They are close together but can move past each other.

Front

What happens to the particles in a gas?

Back

They are far apart and move freely.

Front

What is an example of a Physical Change?

Back

Melting ice.