7-2-06: Describe the particle theory of matter and use it to explain changes…

Solids, Liquids and Gases Grade 5

Where does a puddle go? Why does ice float? A first look at the tiny particles that explain the stuff around us.

• Where does a puddle go? 50–60 min

  Teams race wet paper towels in still air, in wind, in a warm spot and under a cup to find out what makes water disappear faster. They catch the 'missing' water on the inside of the cup and explain evaporation with particles.

• Why does ice float? 50–60 min

  Students compare water before and after freezing: same weight, but more space. They float a block of ice, measure how much sticks out, and use particles to explain why lakes freeze from the top down and fish survive the winter.

Printable practice for 7-2-06

• Solids, Liquids and Gases 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.

• 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.

• Kitchen Chemistry for Families workbook included with the unit

  2 English-support pages, 1 practice page, 1 reading, with answer keys.

• Winter Science at Home workbook included with the unit

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

• Living with Water: Salt, Rice and the Mekong workbook included with the unit

  2 readings, 1 word wall, 1 practice page, 1 unit review, 1 unit test, with answer keys.

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