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载体形态

126 pages : illustrations ; 24 cm.

丛编

Science projects

Gardner, Robert, 1929-2017. Science projects.

书目

Includes bibliographical references (pages 123-124) and index.

内容

Matter: it has properties of its own: Air takes up space and has weight -- Density and compressibility -- Comparing densities -- Comparing densities with the drop material -- Comparing gas densities -- Change in volume when water freezes -- Solutions: making things disappear: Does 1 + 1 always equal 2? -- Solutions -- Does temperature affect solubility? -- Soluble and insoluble solids -- Other liquids as solvents -- Liquids in liquids -- Gases dissolved in liquids -- Analysis: separating and identifying substances: Separating things that sink and float -- Separating a dissolved solid from its solvent -- Detecting unknown solids -- Chemical reactions: when new substances form: Some chemical reactions from the kitchen -- Look at the seltzer and water reaction -- Changing the speed of a chemical reaction -- Gas volumes from the seltzer and water reaction -- What gas is produced when seltzer reacts with water? -- Some other chemical reactions -- Acid + Base: a colorful chemical reaction: Identifying acids and bases with litmus -- Other acid-base indicators -- Indicator papers and sticks -- Neutralization -- pH, the degree of acidity -- Oxidation: reactions with oxygen: Comparing rusting rates -- Burning birthday candles -- What fraction of air is oxygen? -- Reaction of a burning candle and air -- Checking the inconsistency hypothesis -- Testing a prediction -- Making and testing oxygen.

研究计划

Accelerated Reader AR MG 7.0 3.0 15660.

主题

Chemistry -- Experiments -- Juvenile literature.

Science projects -- Juvenile literature.

Chemistry -- Experiments.

Experiments.

Science projects.

附加题名

Chemistry.

国际标准书号

0894905317 lib. ed.