1 / 13

Crookes

Crookes. By Ben Harmon and Noah Pinchefsky. Sir William Crookes. Sir William Crooke constructed the cathode ray He was also the first person to discover electrons. Life. Born in London England June 17 th 1832- died in England April 14 th 1919 He had many kids

tanner-mcclure
Télécharger la présentation

Crookes

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Crookes By Ben Harmon and Noah Pinchefsky

  2. Sir William Crookes • Sir William Crooke constructed the cathode ray • He was also the first person to discover electrons

  3. Life • Born in London England June 17th 1832- died in England April 14th 1919 • He had many kids • He even went to Oxford and obtained Chemical post at Chester

  4. Meteorologist • In 1854 he was a Superintendent of the Meteorological Department of Radcliffe Astronomical Observatory in the College of Oxford

  5. Thallium • Atomic Number 81 • Melting point 5770K • Boiling point 17460K • At room temperature it is solid

  6. Radiometer • Transferred light into motion pictures • In return created a basis for the television

  7. Spiritualism • In 1860 he became interested in spiritualism which affected the way he looked at science • Crooke looked into spiritualism to try to prove psychic powers real • He ended up loosing respect for being a scientist

  8. Presidency • In 1890 he was elected to become president of the electrical engineers • In 1897 he was elected President of the Society for Psychical Research • He became the Honorary Secretary in 1900 -1912.

  9. His Wife • Ellen Humphrey • Met Crookes at age 19 • Married 40 years

  10. Radioactivity • Crookes was interested in the field of radioactivity. • After researching uranium for several years he invented an instrument made to detect alpha-rays called a spinthariscope, which means "spark-viewer."

  11. Video Time • https://www.youtube.com/watch?v=XU8nMKkzbT8&feature=player_embedded

  12. Quiz • 1. Where was Crookes born? • 2. Where did he go to college at? • 3. What atomic number was thallium? • 4. True or False Crookes ended up loosing respect for being a scientist through spiritualism? • 5. How long was he married to his wife?

  13. Work sited • https://sites.google.com/site/theatomicstructure18611880/sir-william-crookes/sir-william-crookes • http://www.nndb.com/people/965/000100665/ • http://education.jlab.org/itselemental/ele081.html • http://www.aim25.ac.uk/cgi-bin/vcdf/detail?coll_id=3280&inst_id=17 • http://books.google.com/books?id=Dd75mKOE4BMC&pg=PA21&lpg=PA21&dq=ellen+humphrey+crookes&source=bl&ots=vbJgcx9sSZ&sig=A37pqZDAeCYEoUOZdcrmgeoLh_E&hl=en&sa=X&ei=7Fz_U8DXHY_CggTV04C4CQ&ved=0CCAQ6AEwAA#v=onepage&q=ellen%20humphrey%20crookes&f=false

More Related