On This Day - May 17 : Joseph Lockyer was born

Image

While observing a spectrum of the sun during a solar eclipse in 1868, Lockyer noticed a prominent yellow line, which he identified as an unknown solar element. He named this helium (He) after the Greek word for sun.

Thanks for using the RSC’s education resources. You can view one resource per month as a visitor, or two resources per month when you’re logged in with a personal account.

A photograph of a teacher standing in a white lab coat, speaking with a class of children in a laboratory, is superimposed on a colourful background. Text reads "Teach Chemistry means support for classroom and staff room".

Register for Teach Chemistry for free, unlimited access

Registration is open to all teachers and technicians at secondary schools, colleges and teacher training institutions in the UK and Ireland.

Get all this, plus much more: 

  • unlimited access to resources, core practical videos and Education in Chemistry articles
  • teacher well-being toolkit, personal development resources and online assessments
  • applications for funding to support your lessons

Already a Teach Chemistry member? Sign in now.

Not a science teacher or technician based in the UK or Ireland? Don’t worry – you can also access all our resources with Royal Society of Chemistry membership.