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Your next discovery

What belongs in each mystery box?

Every mystery box holds the same value. Make the two sides balance.

4 × ? + 545Equal values make a level balance.

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Our worldAges 13-15Earth & weather
Question 1 of 4
Earth’s atmosphere & climate

What global deflection of moving air and ocean currents is caused by Earth’s rotation (to the right in the Northern Hemisphere and left in the Southern)?

Identify the troposphere, stratosphere, mesosphere, thermosphere and exosphere and their key features.

What global deflection of … · Earth’s atmosphere & climate
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Our world category

Featured, challenges & worksheets in Our world

CartographyFeatured

Map scales & real distances

Use a linear map scale ratio to convert map measurements in centimetres into real distances in kilometres.

Worksheet
CartographyFeatured

Longitude & time-zone offsets

Use Earth’s 15°-per-hour rotation rate to calculate local standard time from longitude offsets.

Worksheet