Solutions, Acids and Bases

Map

Arrows point from what you learn first to what it opens. Point at a concept to light up its chain and where it comes back deeper. Right-click a concept (or press and hold it) for its lessons and stories.

Proven to depth123
Open
Locked
Comes back deeper

Dissolving MixtureIn Matter and Its Properties Particle modelIn Matter and Its Properties

Learning path

In the order the concepts build on each other.

DissolvingLockedWhen a substance like sugar or salt dissolves in water, its particles spread out between the water particles, too small to see. It hasn't gone: the clear mixture, a solution, still has it all. Some substances (sand, oil) don't dissolve.Opens after: Mixture, Particle model

Connections to other domains

Dissolving leads to Physical and chemical changeChemical Reactions
Dissolving leads to Separating mixturesMatter and Its Properties
Dissolving needs MixtureMatter and Its Properties
Dissolving needs Particle modelMatter and Its Properties