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Lesson · Grade 5 · Science

Solids, Liquids and Gases Can All Dissolve

  • Grade 5
  • Science
  • 1 min 7 s
  • British Columbia
  • BC5-SC-06

Salt, a solid, is stirred into a glass of water and seems to disappear, but its tiny bits are still there; honey, a liquid, is stirred into a second glass and dissolves too. Carbon dioxide, a gas, is pushed into a bottle of pop, where it dissolves and stays in until the cap comes off and some of it bubbles out as the fizz, which leads to the recap that a solid, a liquid or a gas can dissolve in water.

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In one sentence

The question this lesson answers

What kinds of things can dissolve in water?

Salt is a solid.

Transcript

What the lesson says

What kinds of things can dissolve in water?

Salt is a solid.

Stir salt into water, and it seems to disappear.

But it is still there, spread out in tiny bits.

This is called dissolving.

Honey is a liquid.

Stir honey into water, and it dissolves too.

Carbon dioxide is a gas.

It is pushed into the pop, where it dissolves.

A cap keeps the gas inside the bottle.

Open the bottle, and some of the gas comes out as bubbles.

Those bubbles are the fizz!

Salt, honey and carbon dioxide all dissolve in water.

So a solid, a liquid or a gas can dissolve in water.

Curriculum

Where this fits

British Columbia, Grade 5

Science, Chemistry: solutions and solubilityBC5-SC-06

Previous: Dissolving: Solute, Solvent and SolutionNext: Separating Salt Water: Evaporation, Crystallization and Distillation

The outcomes and strands follow the British Columbia curriculum.

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