C2.3: Describe properties of liquid water and solid water, and identify the…

Winter Science at Home Grades K–5

Make frost on the outside of a can, race ice cubes with salt and sugar, lift an ice cube with a piece of string, and look inside a real snowflake. Three kitchen-table winter experiments that actually work, with the real science explained for grown-ups.

• Can you make frost in a can? 40 min

  Children crush ice, pack it into two cans, add salt to one, and watch water and then frost appear on the outside. They finish able to explain that the water and frost came out of the air, not through the can.

• Why does salt melt ice? 40 min

  Children race three ice cubes covered in salt, sugar and nothing, then use a pinch of salt to lift an ice cube out of a glass with a piece of string. They finish able to explain that salt melts ice by mixing into the water, and that it makes the ice colder, not warmer.

• What's inside a snowflake? 45 min on a snowy day, or 40 min plus overnight without snow

  Children catch falling snowflakes on a chilled dark cloth and look at them with a magnifier, or, with no snow, look at freezer frost and grow crystals on a pipe-cleaner snowflake overnight. They finish able to explain that a snowflake is an ice crystal grown from water vapour, and why it has six sides.

Printable practice for C2.3

• Winter Science at Home workbook included with the unit

  3 practice pages, 3 readings, 2 English-support pages, 1 word wall, 1 unit review, 1 unit test, with answer keys.

• Earth and Sky at Home workbook included with the unit

  2 English-support pages, 2 practice pages, 2 readings, 1 word wall, 1 unit review, 1 unit test, with answer keys.

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