CONTENTS
Chapter 5
Investigate Depth Perception . . . . . . . . . . . . . . . . . . T181g
• How do you use your eyes to judge depth?
• Science Process Vocabulary count, conclude
Big Ideα Question How Do Body Systems Work
Together? . . . . . . . . . . . . . . . . . . . . . . T182–T183
• Science Academic Vocabulary organ system, circulatory system,
respiratory system, digestive system, excretory system, nervous system
Investigate Lungs and Carbon Dioxide . . . . . . . . . . . T213a
• How does exercise affect the amount of carbon dioxide in your breath?
• Science Process Vocabulary experiment, data
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T228a
• Pioneer The Beat Goes On
• Pathfinder The Beat Goes On
Sample Pages
pages T228q–T228t
T1c
