Class Clips is changing
We will be introducing the new Knowledge and Learning Beta website over the coming months. Clips for use in the classroom are now available on your phone, tablet or PC.

Alternatively, you can still browse or search by keyword or clip number on this site.

CLIP 9825

Extinct volcanoes on Mars

Extinct volcanoes on Mars

Did you know?

All Class Clips content is available to watch on mobile, tablet and desktop devices on our new Knowledge & Learning BETA website.

Key Info
  • Extinct volcanoes on Mars
  • Duration: 04:44
  • The highest mountain in the Solar System is Olympus Mons, an extinct volcano on Mars. A description is provided of how volcanoes rely on heat from the middle of planets. Mars' smaller size suggests that its heat was lost to the Solar System faster than that of the Earth, so all its volcanoes are now extinct. Published as part of the Solar System website: Please note this clip is only available in Flash.
  • Subject:



    Phys: Solar System

  • Keywords: Mars, mountain, volcano, extinct, outerspace, heat transfer, Brian Cox
Ideas for use in class
  • To introduce what causes volcanoes to work and explain why those on Mars are now extinct.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

BBC navigation

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.