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Posts tagged with measurement

Measuring Ocean Waves – Wow!

May4

Waves in the Southern Ocean have already been recorded over 20 metres in height, but new research shows they’re getting higher. A small but significant increase of 1.5 metres per second – 8 per cent – was noted by researchers who analysed approximately 4 billion observations from 31 satellites and 80 ocean buoys worldwide. “Although increases of […]

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Radical Ratios

May2

Taking a person, when squatting, to be approx. a meter in diameter, we end up with the following ‘radical ratios’: 1. The size of a human cell to that person is the same ratio as a person’s size to Rhode Island 2. The size of a virus to a person is the same ratio as […]

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Measurement Factoid

March26

DYK (Did you know) – that a typical acre (0.40 hectares) of soil contains 400kg of earthworms, 1000kg of fungi, 680kg of bacteria and 400kg of insects.

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Logo City inspires Integrated Learning in Year 9

November21

From a resource at Teachers Pay Teachers called “Building My Block” a Year 9 class used this Porject-Based learning activity to integrate their Mathematics with English and Food Technology. How to go about this activity? 1. Purchase the resource if you are extra keen. Or, 2. Simply make up a template to enable each student […]

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Having fun in a knowledge economy!

March23

“The NCAA men’s basketball tournament began last Thursday.  It is estimated that more than 60 million Americans have completed tournament brackets predicting the winners and losers.  Across the country, employees are spending workday time monitoring games, and discussing predictions and results with colleagues.  Many are waging bets. According to one estimate, the cost of lost wages […]

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Use King Henry to convert measurements

March23

Good old King Henry (seen here working on his times tables!). Well, maybe or maybe not. He was, after all, not liked by everyone, so what is he doing on a H3 Maths? Well, “King Henry” is most useful when it comes to doing conversions of measurements. Remember this phrase and you will be able […]

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Measuring to the nth degree…

June3

Researchers in Australia have developed the world’s most sensitive thermometer—and it measures temperature with a precision of 30 billionths of a degree using the properties of a circle! Read the article here.

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Measurement works if you have the same units!

May23

The Mars Orbiter was lost in 1999 because the Nasa team used imperial units while a contractor used metric. The $125m probe came too close to Mars during its orbit and was probably destroyed by the planet’s atmosphere. An investigation said the “root cause” of the loss was the “failed translation of English units into […]

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An ice-cube away from…brrrrrrr…the coldest temperatures

February9

Our daughter found herself trapped in a large freezer once. Fortunately, her cell phone saved her from a slow, agonizing death! Actually, she was doing a promotion at a trade show and the freezer was supposed to have a safety mechanism to prevent the door locking. Just the thought of this incident makes H3 shiver! […]

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The Art of Rectangular Pyramids

January15

Ah…The Louvre – perhaps the world’s most famous museum and an iconic, classical building which is noted for its modernistic entry which uses pyramids to contrast its surroundings. (H3 was taken aback by the beauty of this entry and the way in which it differed so much to the style of the French buildings and […]

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