Trimestral Science

occurs when the physical properties of an object or material change.

• Physical Change

• Composition

• Temperature

what something is made of.

• Physical Change

• Composition

• Temperature

The object’s heat (or how hot or cold it happens to be).

• Physical Change

• Temperature

• Composition

an increase in the volume of a material when the temperature rises.

• Temperature

• Composition

• Expansion

a reduction in the volume of material when its temperature drops.

• Contraction

• Expansion

• Temperature

an instrument for measuring an object’s exact temperature.

• Contraction

• Expansion

• Thermometer

a round-shaped part protruding from an object.

• Bulb

• Thermometer

• Contraction

scales used for measuring temperature.

• Bulb

• Thermometer

• Celsius, Fahrenheit, and Kelvin

The process by which a solid changes into a liquid.

• Thermometer

• Bulb

• Fusion

The process by which a material changes from liquid to solid state.

• Evaporation

• Solidification

• Fusion