Sample Pages
Chapter 3
Investigate Producers and Consumers . . . . . . . . . . . . T101e
• Where does the energy in a pill bug's food come from?
• Science Process Vocabulary observe, classify
Big Ideα Question How Does Energy Move in an
Ecosystem? . . . . . . . . . . . . . . . . . . . . . T102–T103
• Science Academic Vocabulary chlorophyll, photosynthesis,
food chain, food web
Investigate Mold . . . . . . . . . . . . . . . . . . . . . . . . . . . . T121a
• How can you use observations of mold to infer where it gets its energy?
• Science Process Vocabulary compare, infer
Chapter 4
Think Like a Scientist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T133e
• Math in Science Recording and Interpreting Data
Investigate Bird Feathers . . . . . . . . . . . . . . . . . . . . . . . T133i
• How do different types of feathers help birds survive?
• Science Process Vocabulary observe, infer
Big Ideα Question How Do Living Things Survive and
Change? . . . . . . . . . . . . . . . . . . . . . . . T134–T135
• Science Academic Vocabulary behavior, instinct, learning,
habit, communication
Investigate Earthworm Behavior . . . . . . . . . . . . . . . . T167a
• How does an earthworm react to moisture, touch, and odor?
• Science Process Vocabulary predict, observe
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T180a
• Pioneer Do Elephants Talk?
• Pathfinder Do Elephants Talk?
T1b
