Science 6 (yes we're grade 6 na)

U better pass

Physical properties

Certain characteristics that can be observed and measured without changing composition.

Chemical property

Determines how a material reacts with other materials to form a new material.

Physical change

When size, state of matter, or shape, of a substance change but not chemical identity

Chemical change

One or more new substance is formed.

Corrosion

Eating away of a metal, it is slow in it’s process.

Precipitate

A solid that separates out of a solution during chemical change.

Matter

Made out of particles that are always in motion.

Melting

Solid to liquid

Freezing

Liquid to solid

Evaporation

Liquid to gas

Condensation

Gas to liquid

Sublimation

Solid to Gas

Deposition

Gas to solid

Boiling point

Rapid change from liquid to gas

Melting point

The _______ of a solid is the temperature where the solid starts to change to a liquid

Freezing point

The ______ of a liquid is the temperature at which the liquid starts to solidify

Mixture

When you physically combine two or more materials together

Heterogeneous

Non-uniform type of mixture

Homogeneous

A uniform type of mixture

Solute and solvent

Two components of a solution

Solution

A homogeneous type of mixture of two or more substances is..

Soluble

Solid substances that can be dissolved

Insoluble

Solid materials that can't dissolve in water or etc liquids.