How can you recognize trends

The periodic table of the elements is arranged so that the properties of the elements repeat in a regular way. Such an arrangement can also be used for common items. 

Obtain a sample of fasteners, including bolts, screws, and nails. 

Measure the length of each fastener with a ruler. 

Place the nails in a series from smallest to largest. 

Continue to arrange a series of screws and a series of bolts that also correspond to the series of nails created in Step 5. 

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