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Contents contributed and discussions participated by Roland Gesthuizen

Roland Gesthuizen

ANZ imposter takes up new climate tactic - 0 views

  • When talking to young climate activists it soon becomes apparent that they feel they have been abandoned by their elders, whom they see as bequeathing them a world no-one would want to live in.
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    "The longer-term effects of Moylan's hoax on Whitehaven Coal and the fossil fuel industry more broadly have yet to be seen. It may prove to be no more than a cri de coeur, but it does raise afresh the question of the use of civil disobedience in climate campaigns."
Roland Gesthuizen

A world like ours, maybe, or too smart to say - 5 views

  • If the planets exist, they orbit a star about twice as old as our own, so a suitable planet has had plenty of time to develop life much more advanced than Homo sapiens. That may just explain why no one from Tau Ceti has ever contacted beings as primitive as us.
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    "ASTRONOMERS have discovered what may be five planets orbiting Tau Ceti, the closest single star beyond our solar system, the temperature and luminosity of which nearly match the sun's. If they are planets, one is about the right distance from the star to feature mild temperatures, oceans of water, and even life. Don't pack your bags just yet, though: the discovery still needs to be confirmed."
Roland Gesthuizen

Earth's seasons demo part 1 - YouTube - 2 views

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    "This demonstration shows pupils how the seasons on Earth are due to the Earths angular tilt and its orbit around the Sun. It also shows how you can demonstrate the seasons with easy experiments in the class room."
Roland Gesthuizen

Why Doesn't the Moon Crash Into the Earth? | Wired Science | Wired.com - 6 views

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    "So, the Earth pulls on the moon because of gravity? Why doesn't the moon get pulled into the Earth and crash? What a great question."
Roland Gesthuizen

Straw Rocket Construction - YouTube - 7 views

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    "Here's how to build a straw rocket from paper, sticky notes, and tape using just a pencil and scissors. The sticky notes allow students to easily change the tail fins to see what works best. Fifth grade students constructed straw rockets like this during engineering week talks at elementary schools. "
Roland Gesthuizen

The VARIABLES Song - Mr. Edmonds - Rock with the Jackson 5 "I'll Be There" music theme ... - 4 views

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    Science song that illustrates the difference between a control, dependent and independent variable.
Roland Gesthuizen

Roland Gesthuizen - Google+ - Had fun today at #stav2012  showing junior scie... - 0 views

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    "Had fun today at #stav2012  showing junior science videos, including this one I made a few years ago for +BlipTV where I used glove puppets to teach multicelular organisms."
Roland Gesthuizen

Watch Technology and Drama - Teaching with glove puppets | K-12 Online Conference Episo... - 1 views

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    "A junior science class demonstrates a lesson about multicelular organisms using glove puppets with a constructivist approach to problem solving and a blended learning model. This activity has even been adapted by the teacher Roland Gesthuizen to help explore complex topics including technology issues such as cyberbullying, privacy, programming, copyright, freedom and ethical behaviour whilst improving their literacy and social skills. This is a very engaging way to quickly assess student understanding using some simple technology and computer skills without the need for sophisticated digital equipment."
Roland Gesthuizen

Video Overview Catalyst - Planet of the Rings (2005) on ASO - Australia's audio and vis... - 2 views

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    "One of the greatest exploration feats of all time - the Cassini mission to Saturn, followed by the release of the Huygens probe into Saturn's largest moon, Titan"
Roland Gesthuizen

Kinetic City: Shape It Up - 10 views

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    Nice interactive for teaching Earth science.
Roland Gesthuizen

TeachThought50 Awesome Chemistry Videos For The Busy Science Teacher - 11 views

  • From the reactions that fuel the sun to the biology of our bodies to the technology in our gadgets, chemistry is at the heart of everything we do and is the central science that unites biology, physics, geology, astronomy, medicine, and countless other fields. Yet chemistry doesn’t always get the credit and recognition it deserves for playing such an awesome role in, well, everything
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    "checking out a few (or all) of these amazing chemistry videos online. Some are funny, some impressive, but all will showcase the true awesomeness of chemistry"
Roland Gesthuizen

NPOC Oct20.pdf - Google Drive - 3 views

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    Student misconceptions about science concepts
Roland Gesthuizen

Curiosity Rover Report (Oct. 19, 2012) Mars Soil Sample Delivered - YouTube - 1 views

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    "NASA's Curiosity rover delivers its first soil sample to its chemistry and mineralogy instrument. "
Roland Gesthuizen

The Blood Typing Game - about blood groups, blood typing and blood transfusions - 11 views

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    "What happens if you get a blood transfusion with the wrong blood type? Even though a patient's own blood type is the first choice for blood transfusions, it's not always available at the blood bank. Try to save some patients' lives and learn about human blood types! "
Roland Gesthuizen

QuantumLevitation | Quantum Levitation | Boaz Almog - 1 views

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    "We are dedicated to teaching and educating the young and adults about superconductivity, through the unique and counter-intuitive phenomena of 'quantum locking' and 'quantum levitation'."
Roland Gesthuizen

Quantum Levitation - YouTube - 1 views

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    "Tel-Aviv University demos quantum superconductors locked in a magnetic field (www.quantumlevitation.com). For an explanation of the physics behind this demonstration, visit www.quantumlevitation.com/levitation/The_physics.html."
Roland Gesthuizen

The Scale of the Universe 2 - 3 views

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    Interactive scale tool
Roland Gesthuizen

Med Student Rescues Body Part From Airport Security : Krulwich Wonders... : NPR - 4 views

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    "Being larger than 100 milliliters, the bottle was categorically dangerous material. If Birchall insisted on boarding the plane, he would be arrested. Birchall had no Plan B. What was he to do? This is a true story"
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