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Bitesize Space Science Spectroscopy and the composition of stars

Jon Chase describes how different elements absorb and emit light of specific wavelengths or colours. He explains how this can be used to identify which elements are present in distant stars by analyzing the spectrum of radiation coming from these stars. Teacher notes: You could discuss how white light can be split into its spectrum and students could make their ...
  • 2014
  • 00:04:11
  • 15-17
  • Added on: 09/05/2019

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Bitesize Space Science The life cycle of stars

Science presenter and rapper Jon Chase explains how the dust and gas released from dying stars form new stars and solar systems using a Jenga game and a rap. He visits a school where the students play Jenga to demonstrate the balance between the forces in a star, and how they destabilize over time. Jon performs a rap to help ...
  • 2014
  • 00:05:34
  • 15-17
  • Added on: 09/03/2019

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Bitesize Space Science Gravity on Earth and in space

Jon Chase explains that the mass of an object is constant but its weight depends on the gravitational force. This force is higher on more massive planets and he would weigh more on Jupiter than on Earth. He uses a fairground ride to simulate the feeling of lower and higher gravitational forces. He explains that gravity is the force that ...
  • 2014
  • 00:04:53
  • 15-17
  • Added on: 09/03/2019

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Bitesize Space Science Nuclear fusion in stars

Jon Chase explains the nuclear fusion that causes stars like our sun to give out enormous heat. Film footage of a nuclear explosion in a hydrogen bomb is used to draw an analogy with the sun’s energy. He mixes iron oxide and aluminum powder to demonstrate a highly exothermic chemical reaction and relates this to the much greater energy output ...
  • 2014
  • 00:04:20
  • 15-17
  • Added on: 09/03/2019

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Bitesize Space Science The Big Bang and red shift

Jon Chase explains the scale of the solar system and universe using simple demonstrations at a shopping centre and race track. He explains the Doppler effect and introduces red-shift and cosmic microwave background radiation, which provide evidence for an expanding universe. Teacher notes: Use the video as an introduction to a Doppler effect demonstration using a buzzer swung around on ...
  • 2014
  • 00:05:54
  • 15-17
  • Added on: 09/03/2019

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Bitesize Space Science Waves and communication

Jon Chase demonstrates how electromagnetic waves are used in communication using an infra-red remote control and an outside TV broadcast. He discusses how television broadcast uses microwaves to communicate between Earth and satellites in space. Jon describes and performs a rap about the electromagnetic spectrum and the different types of waves. Teacher notes: The class could use the rap to ...
  • 2014
  • 00:03:50
  • 15-17
  • Added on: 09/03/2019

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Scientists and Scientific Method The work of Nicolaus Copernicus

This video shows how Nicolaus Copernicus, an early astronomer, scientist and priest in Poland, thought the sun was at the centre of the solar system. This theory was known as the heliocentric model. It was controversial, as accepted wisdom at the time (supported by the church) was that Earth was at the centre of the universe. In this video, he ...
  • 2018
  • 00:03:34
  • 9-12
  • Added on: 09/03/2019

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Scientists and Scientific Method The work of Caroline and William Herschel

This video introduces Caroline Herschel and her brother William. Caroline talks about their work studying the planets and the solar system, and shares her astronomical discoveries, including comets and nebulae. She also explains how she was the first woman to discover a comet, which was subsequently named after her, 35 P Herschel-Rigollet. William talks about how he discovered the planet ...
  • 2018
  • 00:04:28
  • 9-12
  • Added on: 09/03/2019

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The Nature of Things The Wonder of the Northern Lights

The northern lights are one of the greatest natural wonders of our world. They have dazzled people for thousands of years and intrigued scientists for centuries. Now, an international team of scientists are uncovering the mysteries of the lights, and what they can teach us.
  • 2018
  • 00:44:10
  • 13-14
  • Added on: 08/14/2019

The National David Saint-Jacques checks in from outer space

Canadian astronaut David Saint-Jacques has been on the International Space Station since early December. Andrew Chang had the rare opportunity to speak to him from space. They chatted about his mission, what it is like being in space, fixing a leaky toilet, and how much he missed his family.
  • 2019
  • 00:08:31
  • 9-12
  • Added on: 05/02/2019

News in Review - February 2019 Astronaut David Saint-Jacques: The Man and his Mission

David Saint-Jacques may not be a household name… yet! But he's likely to become one. He's only the 10th Canadian astronaut to go into space. He's assigned to spend six and a half months on the International Space Station conducting various experiments and operating the Canadarm. At 49 years of age, Saint-Jacques’ journey to space is as interesting as how ...
  • 2019
  • 00:15:32
  • 9-12
  • Added on: 02/04/2019

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The National Canadian David Saint-Jacques joins crew at space station

After a flawless launch and a warm welcome at the International Space Station, a Canadian is in orbit again for the first time since 2013. David Saint-Jacques will spend the next six and a half months up there conducting experiments, operating Canadarm2 (the Canadian-built robotic arm aboard the ISS) and testing new technologies, according to the Canadian Space Agency.
  • 2018
  • 00:05:24
  • 9-12
  • Added on: 01/07/2019

News in Review - September 2018 Destination Mars: Mock Survival Missions

Space exploration is preparing to head to Mars. NASA wants to send humans there by the 2030s. For anyone brave enough to sign on, the flight itself could take from six to nine months. To survive would be a challenge for humans as Mars lacks running water and breathable air. In order to prepare for the eventuality, a number of ...
  • 2018
  • 00:13:00
  • 9-12
  • Added on: 09/10/2018

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The National Canada's next astronaut to walk in space

Canada's next astronaut to walk in space will be David Saint-Jacques, adding to the growing list of accolades for the Quebec City native. An engineer, physician and astrophysicist, Saint-Jacques also has his commercial pilot's license and speaks five languages. The National traveled to the Johnson Space Centre in Houston for an up close look at the making of an astronaut.
  • 2018
  • 00:10:15
  • 9-12
  • Added on: 05/02/2018

The National Why SpaceX's Falcon Heavy rocket launch has so many people excited

Elon Musk's Tesla Roadster is well on its way to the asteroid belt. And CBC's Bob McDonald is just back from the rocket launch that was watched around the world. McDonald weighs in on how he sees this shaping the future of space exploration.
  • 2018
  • 00:02:33
  • 13-14
  • Added on: 02/23/2018

News in Review - November 2017 Canada's 29th Governor General: Julie Payette

Julie Payette has lived an exciting life that very few can even dream about. As an astronaut for Canada, she’s been to the International Space Station twice. She’s a pilot, an athlete, an engineer and speaks six languages. In October 2017, Ms. Payette, who is 53 years old, took on her latest adventure. She became Canada’s 29th Governor General – representing ...
  • 2017
  • 00:15:11
  • 9-12
  • Added on: 11/27/2017

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The National What to know about the solar eclipse | Ask Bob

For the first time in 30 years, eclipse madness swept across the continent in summer 2017. Bob McDonald, host of CBC's Quirks & Quarks, talks about the history and science of this celestial spectacle. He also talks about why we don't have a better name for "the moon" or what might happen if a huge asteroid passed by the sun.
  • 2017
  • 00:19:48
  • 9-12
  • Added on: 09/15/2017

World's Toughest Fixes 20-Ton Eye

How do we see far off galaxies, discover new planets and stars and study the secrets hidden in space? Riley goes to Chile to visit the world's largest, most advanced optical combined telescope, which provides astrophysicists with some of the answers to questions about the Big Bang, the nature of matter and the origins of the universe. But at the ...
  • 2008
  • 00:47:28
  • 13-14
  • Added on: 06/09/2017

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We Are Canada We Are Canada, Episode 1

This opening episode of We Are Canada features a 25-year-old who's creating a global roadmap for accessibility, two cousins with an innovative idea for feeding Canada's hungry kids, plus more! Featuring Dr. Shawna Pandya, Sarah Polley, Jeremy Bryant, Andrew Hall and Maayan Ziv.
  • 2017
  • 00:44:08
  • 13-14
  • Added on: 05/11/2017

News in Review - March 2017 Roberta Bondar: Stellar Inspiration

​Twenty five years ago, Roberta Bondar blasted into history as the first Canadian woman in space. A research scientist in neurology, she used her education in the first International Microgravity Laboratory Mission on board Space Shuttle Discovery. Now, a quarter of a century later, she’s still flying high, reaching out to a younger generation to spark their curiosity in all things ...
  • 2017
  • 00:19:37
  • 9-12
  • Added on: 03/23/2017

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The Nature of Things Destination Mars

The rush has begun to put humans on the red planet as soon as possible. Not only is there great interest from industrial titans like Elon Musk of SpaceX and Jeff Bezos of Amazon fame, but there are also specialists lecturing on mining Mars, corporate property rights and space law. There are discussions about “terraforming” Mars — making it a second ...
  • 2016
  • 00:43:45
  • 13-14
  • Added on: 01/31/2017

The National The Year in Science

The National's science correspondent Bob McDonald talks about the scientific highlights of 2016. Stories include Donald Trump's controversial statements about climate change, Elon Musk's vision for life on Mars, efforts to cover Chernobyl 30 years after the world's worst nuclear accident, the discovery of a new planet in our solar system, using Star Trek-style technology for data encryption, nano machines ...
  • 2016
  • 00:13:36
  • 13-14
  • Added on: 01/06/2017

Engineering Connections Deep Space Observatory

Richard Hammond journeys to discover the startling Engineering Connections behind the Keck Observatory, which has seen further into the universe than any other telescope on Earth. He reveals that the Keck Observatory owes its incredible design to an ancient Greek ritual, an early 20th century Russian inventor, an American Civil War general, a breakthrough in aerial reconnaissance, and an attempt ...
  • 2009
  • 00:47:31
  • 9-12
  • Added on: 04/20/2016

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World's Toughest Fixes Deep Space Antenna

Riley's heading to the Mojave Desert and teaming up with NASA for a fix that's out of this world. NASA's Goldstone Deep Space Communications Complex is located 35 miles north of the desert city of Barstow, California and Riley needs to help with an antenna repair led by the Jet Propulsion Laboratory.
  • 2010
  • 00:45:06
  • 13-14
  • Added on: 03/01/2016

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World's Toughest Fixes Atom Smasher

A machine 17 miles around, worth seven billion dollars! The Large Hadron Collider is the largest atom-smasher ever built – a colossal instrument buried 300 feet underground, spanning two countries, designed to recreate conditions a billionth of a second after the Big Bang. It could be our key to unlocking the secrets of the universe, except for one tiny thing: ...
  • 2009
  • 00:47:04
  • 13-14
  • Added on: 02/10/2016

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