Environmental Choices (Science 7 - Alberta, G7 U1 T3)

An important large word from this unit is one that refers to the renewal of resources at the same rate at which they are consumed. What word, that begins with the letter "S," is this?

This topic often makes references to area measured in hectares. A hectare is an area 100 m x 100 m. Rank the following areas from smallest to largest:

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Match the following areas with examples.

• ~ 100 hectares

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• ~ One hectare

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• Millions of hectares

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• ~ One billion hectares

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• ~ 1000 hectares

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Rank the average citizens of the following countries from those with the smallest ecological footprint to those with the largest ecological footprint:

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Answer explanation

The global hectares (hectares of resources each person would need per year) of these countries, in 2017, was as follows:

Luxembourg: 12.79 ha

Canada: 8.08 ha

Australia: 7.27 ha

Norway: 5.78 ha

India: 1.19 ha

The five countries with the largest ecological footprints are Qatar, Luxembourg, the United Arab Emirates, Canada, and Mongolia. Mark where these countries are on this map:

Three of these five components of your life contribute to your ecological footprint. Which three components contribute to your ecological footprint?

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Rank the following means of getting to school from those that have the smallest ecological footprint to those with the largest ecological footprint:

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The recycle symbol typically has three arrows, as they make reference to the three R's that have been used for some time. Though other R's do exist, what are the three original R's?

• Reuse

• Reduce

• Recycle

• Reinvent

• Repurpose

You are given six scenarios. Decide which category each examples best fits into.

Groups:

(a) Reduce

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(b) Reuse

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(c) Recycle

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