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The History of the World in 2 Hours

(History Channel-show first 50 minutes)

Directions: As you watch the video, fill out the timeline by answer the questions on the right side of the chart.

|13.7 Billion Years Ago |According to this theory how did our universe start? |

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| |What was created during the Big Bang that we still use today? |

| |What element is everything made of? |

|13.4 Billion Years Ago |What is born during this time period? |

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| |What are some of the elements created by stars? |

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| |When stars exploded (Supernovas) what did they create? |

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| |It took 8 billion years for these explosions to build the ________ and the ________. |

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| |How long was a day in the early Earth? |

| |Most of the earth was covered in __________. |

|4.5 Billion Years Ago |What smashes into the Earth at 25,000 MPH (gravity holds it our atmosphere)? |

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| |How does the moon help the Earth? |

|4.4 Billion Years Ago |What falls for millions of years because of steam in atmosphere? |

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| |What does this help to create? |

|3.8 Billion Years Ago |What is the first life to exist on Earth? |

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| |What important waste product does this first life produce? |

|550 Million Years Ago |What begins to evolve during this period because of oxygen? |

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| |Where do early plants and animals live? |

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| |What type of animal is the first to go from sea to land? |

|300 Million Years Ago |As plants die, are compacted, and cooked… what do they form that we use today? |

|250 Million Years Ago |What happens that kills 70 million of the Earth’s species? |

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| |How many times has mass extinctions taken place on Earth? |

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| |What does extinction do for creatures that survive? |

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| |What new creatures reign over the next 160 million years? |

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| |How long are the days thanks to the moon stabilizing the Earth? |

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| |What happens to the land mass (continent) on Earth? |

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| |What slams into the Earth 65 million years ago? |

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| |What happens to the dinosaurs? |

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| |Who rises after the dinosaur’s extinction? |

|10 Million Years Ago |What landforms are beginning to form? |

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| |This causes the planets weather to get _________ (Ice Age) |

|7 Million Years Ago |What type of landform starts to flourish? |

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| |How do apes (our ancestors) evolve due to the lack of trees? |

|2.6 Million Years Ago |Hominids (Early Humans) begin to break rocks to build _________. |

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| |This technology age is known as the _________ Age. |

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| |Fire let’s humans consume more calories, helping us develop larger ________. |

|200,000 Years Ago |Human’s voice box evolves and now humans have what ability? |

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| |How does language (communication) help humans? |

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| |100,000 million years ago, what continent does man start to migrate out of? |

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| |How much of the land on Earth can be reached by foot? |

|12,000 Years Ago |How did Ice Age help man spread around the world? |

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| |What do melting glaciers (and rainfall) form? |

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| |What forms on these river valleys? |

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