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Hovercrafts in the classroom

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Hovercrafts

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Hovercrafts

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Homework. Complete portfolio chapter 16.
Complete questions in book. Building blocks.
Flash cards for Revision

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First years Molecules and Compounds.26/04/2018

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Renewable energy.

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Homework Friday 13thApril.
Portfolio Chapter 40. Complete pages 286 to 289.
Research question 29.9 on Heat.
Complete portfolio p206 to 210.
All for next Thursday

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https://youtu.be/6MP920xMC0Q

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Homework for week 19th March.
Revise chapter 28 on Energy.
Easter test on  Energy Friday 23rd.
Research project on YouTube worth 40% of test.
Easter eggs for best three projects.
Best of luck.👩‍🏫

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http://www.thejournal.ie/stephen-hawking-dies-aged-76-3902393-Mar2018/

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Design a device that can change energy from one form to another .https://www.youtube.com/
Search: ‘How to make a powered car’ and ‘How solar panels work’

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New research by scientists at NUI Galway has laid bare the damage microplastics are having on fish living at extreme depths in the northwest Atlantic.

Researchers found 73% of deep water fish had ingested plastic particles, one of the highest frequencies in fish anywhere in the world ever reported.

The research was conducted during a transatlantic crossing by the Marine Institute's Celtic Explorer research vessel.

During the journey, scientists recovered dead deep-sea fish by trawling depths of up to 600 metres in the northwest Atlantic Ocean.

Among the species they caught were three types of Lanternfish, Rakery Beaconlamp, Stout Sawpalate and Scaly Dragonfish.

Spotted Lanternfish

Once back on shore, the team examined the stomach contents of the 233 fish they had gathered, which ranged in size from 3.5 to 59 centimetres.

They found 73% had microplastics inside them - small plastic fragments that come from larger pieces like clothing and personal care products that are dumped in the ocean.

The researchers say this is one of the highest frequencies of microplastics ever recorded in fish anywhere in the world.

One small Lanternfish, just 4.5 centimetres long, had 13 microplastics in its stomach.

Due to their low density, most of these microplastics float at the sea surface.

Resarchers say this is one of the highest frequencies of microplastics ever recorded in fish (Pic: Dawid Piotr Szlaga)

The team examined the stomach contents of the 233 fish they had gathered (Pic: Dawid Piotr Szlaga)

Alina Wieczorek, lead author of the study and PhD candidate from the School of Natural Sciences and Ryan Institute at NUI Galway, said: "Deep water fish migrate to the surface at night to feed on plankton and this is likely when they are exposed to the microplastics."

The scientists acknowledge that the sample of fish may have come from a particularly polluted area of the ocean where plastics accumulate due to certain tides and currents.

Nevertheless, the researchers say their findings are worrying, not only because it is further evidence fish are ingesting microplastics, but also because it shows deep water fish far from our shores are also at risk.

Dr Tom Doyle, a co-author of the study from the Ryan Institute at NUI Galway, said: "While there is clearly a concern that the ingestion of microplastics with associated toxins may have harmful effects on these fishes, or even the fishes that feed on them, our study highlights that these seemingly remote fishes located thousands of kilometres from land and 600 metres down in our ocean are not isolated from our pollution.

"Indeed, it's worrying to think that our daily activities, such as washing our synthetic clothes in our washing machines, results in billions of microplastics entering our oceans through our waste water stream that may eventually end up in these deep-sea fishes."

Large varieties of marine species are capable of ingesting such plastics and the substances can cause significant internal damage to them.

Many varieties of plastics are extremely toxic because of additives added to them during manufacture.

The danger, therefore, is not only confined to the creature that eats the plastic but can also transfer up the food chain as they are preyed upon.

The study is published in the journal Frontiers in Marine Science.

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NUIG study finds 73% of deep sea fish ingested plastic

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New research by scientists at NUI Galway has laid bare the damage microplastics are having on fish living at extreme depths in the northwest Atlantic. Researchers found 73% of deep water fish had ingested plastic particles, one of the highest frequencies in fish anywhere in the world ever reported.

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Complete chapter 6+7 in portfolio.
Test on circulatory and respiratory system Fri 1st march.
Answer questions on chapter 7 in exploring science book. 7.1_7.14.
Complete Handout revision questions on Breathing and Circulation.
Organise folders.

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09/02/2018  Heart and lung dissection.😅

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A red car for a Red Planet. That's what Elon Musk was hoping for when he launched his own Tesla Roadster on SpaceX's first Falcon Heavy rocket Tuesday (Feb. 6), headed for an orbit that might have extended out to the orbit of Mars. But his car, it turns out, is taking a detour through the asteroid belt.

Musk's Roadster and its mannequin "driver," dubbed "Starman," launched into space from NASA's Kennedy Space Center in Cape Canaveral, Florida, as a "mass simulator" aboard SpaceX's Falcon Heavy test flight. The launch was a huge success, Musk said, leaving only the fate of SpaceX's Starman and the Roadster up in the air.

Would the car and mannequin, attached to the Falcon Heavy's second stage, survive an experimental 6-hour coast phase that would send it through Earth's radiation-flooded Van Allen belts? And would an engine burn by the second stage after that coast go as planned, sending the Roadster out to the orbit of Mars? [ In Photos: SpaceX's 1st Falcon Heavy Rocket Test Launch Success!]

This orbital diagram shows the path of Elon Musk's Tesla Roadster and its Starman mannequin around the sun. The orbit loops out beyond Mars, into the asteroid belt, at its farthest point.

Credit: SpaceX

In a late-night update, Musk announced that the Falcon Heavy stage did survive its daring slog through the Van Allen belts.

"Third burn successful," Musk wrote on Twitter. "Exceeded Mars orbit and kept going to the Asteroid Belt."

Starman and the Roadster are now flying in a long, elliptical orbit around the sun. At its farthest point, that orbit extends nearly 243 million miles (390 million kilometers). That's 2.61 times the average distance between Earth and the sun, which is, on average, about 93 million miles (150 million km).

For reference, Mars orbits the sun at an average distance of 142 million miles (228 million km). At their closest point to the sun, Starman and the Roadster will fly just inside Earth's orbit, according to the diagram.

So, yeah. That's one epic trip.

At a news conference after Tuesday's Falcon Heavy launch, Musk said the Roadster will orbit the sun for millions, perhaps even billions, of years.

He wondered what aliens might think if they ever came across the Roadster drifting through space. After all, SpaceX packed other weird items in the car, among them a small toy Hot Wheels Roadster (complete with a miniature Starman) on the dashboard.

"Maybe [it will be] discovered by an alien race, thinking, 'What were these guys doing? Did they worship this car? Why do they have a little car in the car?'" Musk said. "That will really confuse them."

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Elon Musk's Tesla Roadster Is Headed to the Asteroid Belt

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A red car for a Red Planet. That's what Elon Musk was hoping for when he launched his own Tesla Roadster on SpaceX's first Falcon Heavy rocket Tuesday (Feb. 6), headed for an orbit that might have extended out to the orbit of Mars.

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09/02/18