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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

Many people get water from a source deep underground, called groundwater.

In this activity on page 11 of the PDF, learners follow simple steps to recycle old newspaper into new paper.

In this chemistry activity (on page 2 of the PDF), learners corrode a penny in a cup with vinegar, salt water, and a source of iron (nails, paper clips, or twist ties).

In this crafty chemistry activity (on page 2 of the PDF), learners make their own paper from used paper they may have otherwise thrown away.

In this activity (on page 2 of the PDF), learners explore surface tension by adding pennies to cups which are "full" of plain water or soapy water.