Matter Alberta Grade 6 Science Vocabulary

A theory that describes how matter is made up of tiny particles that are in constant motion.

• Particle Model of Matter
• Phase Change
• Cooling
• Heating

When matter decreases in volume due to cooling.

• Expansion
• Contraction
• Cooling
• Heating

Increasing the temperature of a substance, causing particles to move faster.

• Cooling
• Heating
• Expansion
• Contraction

Decreasing the temperature of a substance, causing particles to move slower.

• Heating
• Phase Change
• Contraction
• Particle Model of Matter

The process of matter changing from one state (solid, liquid, gas) to another.

• Phase Change
• Heating
• Density
• Attractive Forces

Forces that pull particles together.

• Repulsive Forces
• Attractive Forces
• Celsius Scale
• Phase Change

When matter increases in volume due to heating.

• Contraction
• Expansion
• Particle Model of Matter
• Heating

A tool that measures temperature by the expansion or contraction of a liquid.

• Celsius Scale
• Volume
• Mass
• Particle Model of Matter

A temperature scale where 0°C is the freezing point of water and 100°C is the boiling point.

• Fahrenheit Scale
• Kelvin Scale
• Density
• Celsius Scale

The temperature at which a liquid turns into a gas.

• Freezing Point
• Boiling Point
• Volume
• Density