Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 1, The Science of Biology - Assessment - 1.3 Studying Life - Understand Key Concepts/Think Critically - Page 29: 29

Answer

The first sign is a warning that you will be using glassware that is breakable, so be careful not to drop or break any of it. The second sign warns of possible electrical shock. The third says that you will be working with sharp objects, so once again be careful. The fourth and last sign is a warning that you will need to use heat resistant gloves like oven mitts for the experiment.

Work Step by Step

The first sign is a warning that you will be using glassware that is breakable, so be careful not to drop or break any of it. The second sign warns of possible electrical shock. The third says that you will be working with sharp objects, so once again be careful. The fourth and last sign is a warning that you will need to use heat resistant gloves like oven mitts for the experiment.
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