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Students outline four tests they could do to find out if a newly described substance is a metal.

Students are given a partially completed table which details materials which are used as either conductors or insulators of heat. Students complete the table by indicating whether the materials conduct or insulate heat or give an example of its use.

Students answer three questions about information found on a bottle of bleach.

In this task, students look for patterns in electron arrangement in the periodic table. They use their ideas to place missing elements in the table, answer some questions about the patterns, and use the patterns to predict the properties of some elements.