The Chemical Basis of Life
WebQuest
WebQuest icon AcidRainQuest
Concept 1
Life requires about 25 chemical elements.
Concept 1 icon Online Activity 4.1    Discover the composition of familiar items.
Science, Technology, & Society icon Science, Technology, & Society    Fluoridation
Concept 2
Chemical properties are based on the structure of atoms.
Concept 2 icon Online Activity 4.2    Explore the parts of an atom.
Concept 3
Chemical bonds join atoms to one another.
Concept 3 icon Online Activity 4.3    Predict how atoms will bond.
Concept 4
Life depends on the unique properties of water.
Concept 4 icon Online Activity 4.4    Investigate the structure and properties of water.
Lab icon Lab 4 Online Companion    Soil Solutions
Chapter 4 Assessment Chapter Assessment icon Chapter 4 Assessment
  Chapter text icon   Chapter Text