Our bread, puddings, cakes, and potatoes all contain starch. Sago, arrowroot, and tapioca are nearly all starch. Sago is made from the pith of the Sago Palm, which grows in hot lands. Arrowroot is made from the underground stem, tapioca from the root, of a plant.
Lesson 11
Soluble and Insoluble
"I want to have another chat tonight," said Fred, "about things which we can dissolve. I suppose Norah can name some of them?""Oh yes," said Norah. "We can dissolve salt, sugar, alum, lime, and soda.""What do we say about them, because we can dissolve them?""We say they are soluble," said his sister. "Suppose we dissolve salt. Can you tell me whatwe get?"
"We get a solution of salt. If we dissolve sugar, we get a solution of sugar.""Teacher told us in our lesson today," said Willie, "that the water which dissolves these things is called a solvent.""Now you know," said Fred, "we once put some bits of flint, wood, iron, and glass into water. Did they dissolve?""