Issue 1
 EARTH: The World's Most Dangerous Places to Live:  Natural hazards Natural and human induced hazards
 PHYSICAL: Hi-tech Athletes: Forces and motion Forces and motion

Issue 2
 SPECIAL ISSUE: Winning Science Project Guide: Abilities necessary to do scientific inquiry

Issue 3
 EARTH: Fire Detectives Evidence, models, and explanation: Evidence, models, and explanation
 PHYSICAL: Name That Element!: Properties and changes of properties in matter

Issue 4
 LIFE: The Science of Fear: Regulation and behavior of organisms
 EARTH: Exploring the Deep Sea: Abilities of technological design

Issue 5/6
 SPECIAL DOUBLE ISSUE: Ultimate Science Careers: Science as a human endeavor

Issue 7
 HEALTH: Killer Viruses: Structure and function in living systems
EARTH: In the Shadow of a Volcano: Structure of the earth system; Energy in the earth system

Issue 8
 PHYSICAL: Name That Element! Properties and changes of properties in matter; Structure of atoms
 LIFE: Marsupial Mania: Reproduction and heredity; Behavior of organisms

Issue 9
 LIFE: Micro Monsters: Populations and ecosystems; Interdependence of organisms
 PHYSICAL: Sneak Peek at the Future: Understandings about science and technology

Issue 10
 HEALTH: Dying to be Thin: Personal and community health
 EARTH: Peering Into Space: Earth in the solar system; Origin and evolution of the universe

Issue 11
 LIFE: Six-legged Beasts: Diversity and adaptations of organisms; Biological evolution
 PHYSICAL: Name That Element! Properties and changes of properties in matter; Structure of atoms

Issue 12
 LIFE: Monarchs on the Move: Reproduction and heredity; Biological evolution
 PHYSICAL: Moon Race: Form and function

Issue 13
 SPECIAL ISSUE: Celebrate Earth Day: Science and technology in society; Science and technology in local, national, and global challenges

Issue 14
 PHYSICAL: Gear Up for the Olympic Games: Motions and forces
 LIFE: Sizzling Summer: Personal and community health

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