Resources: Nuts and Bolts of Periodicity - Investigating Periodicity

• In the FCPS Middle School Science lab activity entitled, Nuts and Bolts of Periodicity - Investigating Periodicity, the phrase "nuts and bolts" is a figure of speech that can be understood in two ways: "nuts and bolts" is an expression commonly used to refer to "detailed practical information about how something works...," in this case, how the Periodic Table of the Elements is arranged/organized based upon the physical- and chemical properties of chemical elements; also, nuts and bolts (pieces of hardware) are used as metaphors for the elements of the Periodic Table of Elements. See also, The Real 'Nuts and Bolts' of Periodicity, an activity extension based upon real properties of chemical elements.
• Ohaus USA Balance Tutorials (see either "Mechanical Balances/Ohaus Triple Beam" or "Electronic Balances/Compact") - how to use a balance to measure mass
• How to use the vernier caliper to make precise measurements of either length or the diameter of round objects (inner- &/or outer diameter), e.g., nuts, wingnuts, and bolts
• The Periodic Table of the Elements
  1. Chemical Elements.com - An Interactive Periodic Table of the Elements (featuring "Bohr models" of the elements)
  2. ChemiCool Periodic Table and More
  3. WebElements Periodic Table
  4. The ACS Periodic Table, American Chemical Society. See also, The Periodic Table of the Elements.
• The Elements, by Tom Lehrer (a Macromedia Flash animation)
• Dmitri Mendeleev "...was a Russian chemist. He is credited as being the primary creator of the first version of the periodic table of elements. Unlike other contributors to the table, Mendeleev predicted the properties of elements yet to be discovered."