Grade 6 reversible & non reversible matter

What is the meaning of Irreversible ?

• Something that can return to it's normal shape

• Something that can't return to it's normal shape

What is the meaning of Reversible ?

• Something that can't return ti it's normal shape

• Something that can return to it's normal shape

What are the three ways to speed up dissolving?

• Boiling, Heating, Crushing

• Heating, Stirring, Boiling

• Stirring, Heating, Crushing

This is the liquid that you use for dissolving:

• solvent

• solute

• water

This is a solution that cannot dissolve any more solids

• Solvent

• Solute

• Saturated

• Solution

Of the changes below, which is NOT an irreversible change:

• rusting

• cooking

• melting

• burning

Choose the TWO reversible changes:

• condensing

• rusting

• freezing

• cooking

Cone shaped glass object with no bottom used in filtration

• funnel

• filter funnel

• conical flask

• filter paper

• beaker

Special paper used in filtration

• filter paper

• filter funnel

• litmus paper

• tissue paper

• filler paper

When a solute can dissolve in a solvent we say it is

• solute

• dissolves

• soluble

• solution