Name - _______________________________________ Date - ___________________ Period_________
A.Watch - http://www.youtube.com/watch?v=fPnwBITSmgU
B.Think - After watching the TED presentation above answer the questions below:
1. Who is credited with creating the periodic table?
a. Isaac Newton
b. Dmitri Mendeleev
c. Albert Einstein
d. Cecil George Paine
2. Many great thinkers have made discoveries that have gone unnoticed until after their deaths. Name a few
examples and explain their importance.
3. What did Dmitri Mendeleev do that set him apart?
a. Created a list of all the known elements
b. Arranged all the known elements together based on their properties
c. Made accurate predictions about undiscovered elements based on where they would live in the periodic
table
d. Accidentally discovered Plutonium
4. How do you think Mendeleev was able to so accurately estimate the properties of undiscovered elements?
5. What is the English translation for the Sanskrit word ‘eka’
a.
b.
c.
d.
element
periodic
aluminum
one
6. Lots of scientists had worked on the periodic table other than Mendeleev. What do you think would have
changed had they all worked closely together to figure out the best way to arrange the periodic table? Do you
think collaboration is always the best answer?
7. In 1963, what did scientists officially name the element at 101 on the periodic table?
a.
b.
c.
d.
Mendelevium
Dimitrionium
Phosphomendelev
Phosphodimitrius
8. How many scientists have an element named after them?
a.
b.
c.
d.
5
15
35
75
C. Dig Deeper - Additional Resources for you to Explore
Tables charting the chemical elements have been around since the 19th century, but this modern version has a short
video about each one: http://www.periodicvideos.com/
This interactive periodic table shows a picture that represents each element. Click on the photos to learn
more: http://periodictable.com/
This interactive periodic table allows you to explore each of the elements: http://www.webelements.com/
EXTRA CREDIT ANYONE? Earn 10 points by going to one of the additional resources above and share five new
things you have learned and explain why you choose to share those five things and tell why you think it is important
to share that information.