Share: Title:Big Idea 1: Earth Scientists Study Our Planet Duration: 4:14 Plays: 72K views Published: 12 years ago Download MP3 Download MP4 Simillar Videos ▶️ 6:37 Why Earth Science? 72K views • 12 years ago ▶️ 4:27 Big Idea 8: Natural Hazards Affect Humans 72K views • 12 years ago ▶️ 5:50 Big Idea 3: Earth's Systems Interact 72K views • 12 years ago ▶️ 4:57 Big Idea 2: Earth Is 4.6 Billion Years Old 72K views • 12 years ago ▶️ 4:24 Big Idea 5: Earth Is The Water Planet 72K views • 12 years ago