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In this activity (on pages 10-15), learners investigate starch in human diets and how plants make starch (carbohydrates) to use as their food source.

In this activity (on pages 23-29), partners use the Plant Traveler Cards, along with a world map and map worksheets, to follow plants such as cassava, chocolate and coffee that grew first in one part

In this activity (on pages 34-39), learners make a fairly detailed model of DNA using licorice and gumdrops.

In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar.

In this experiment, learners will conduct chemical and physical tests to identify mystery substances.

In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.