
The energy might come from a campfire. The fire gives off heat energy. It makes the marshmallow hot. The marshmallow starts to melt [change from a solid to a liquid]. It gets gooey. It gets toasty.
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Sap is in tree wood. It is collected in the … read more
Some bats live in caves. They sleep upside-down. These bats … read more
It’s fall. Farmers are busy harvesting their crops. Let’s take … read more
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