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Lesson · Grade 1 · Science

Solids keep their shape; liquids and gases flow

  • Grade 1
  • Science
  • 55 s
  • British Columbia
  • BC1-SC-07

A chart builds up one row at a time: a wooden block and some water each start in the same tall glass and move into the same wide bowl, where the block keeps its shape and the water flows and takes the shape of the bowl. Then air flows into a balloon and fills all of it, and the video ends on the recap "Solids keep their shape. Liquids and gases flow."

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In one sentence

The question this lesson answers

Things can be solid, liquid or gas.

Does each one keep its shape, or does it flow?

Transcript

What the lesson says

Things can be solid, liquid or gas.

Does each one keep its shape, or does it flow?

This wooden block is a solid.

Put the block into a bowl.

The block keeps its shape. It does not flow.

This water in a glass is a liquid.

Pour the water into a bowl.

The water flows. It takes the shape of the bowl.

Air is a gas. It is all around us.

Now blow some air into a balloon.

The air flows in and fills the whole balloon.

Solids keep their shape. Liquids and gases flow.

Curriculum

Where this fits

British Columbia, Grade 1

Science, Chemistry: specific properties of materials allow us to use them in different waysBC1-SC-07

Next: Choosing a material for the job

The outcomes and strands follow the British Columbia curriculum.

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