7-1-03: Identify abiotic and biotic components of ecosystems that allow…

Our Living Planet Grade 4

Air, water, land and living things, and how each one depends on the others. Students build a sealed jar ecosystem to keep for a month and catch the water cycle in a bag on the window.

• Can a jar keep itself alive? 50–60 min to build, then 5 min check-ins twice a week for 4 weeks, and a 30 min Reveal and Act

  Each team builds a small world of soil, water, air and plants inside a clear jar, seals it, and keeps an observation log for four weeks beside an open jar built the same way. Students explain how water and air are used again and again inside the sealed jar, and why it still needs light from outside.

• Where does rain come from? 45–60 min, plus a 5 min look later the same day or the next morning

  Students tape a zip-top bag of blue water to a sunny window and another to a shady wall, and catch a cold cup 'sweating' in the room. They follow the water from the bottom of the bag to the clear drops at the top, and explain how the Sun, air and clouds bring rain back down.

Printable practice for 7-1-03

These pages practise a closely related idea; the match to 7-1-03 is partial.

• Our Living Planet workbook included with the unit

  1 word wall, 1 English-support page, 1 practice page, 1 reading, 1 unit review, 1 unit test, with answer keys.

• Food Webs: Who Eats Whom? 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.

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