CHAPTER 8-9 REVIEWEarth-Life History

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EVENTS TIME LINE

EARTH FORMED

FIRST LIFE ON EARTH

DINOSAURS GO EXTINCT

FIRST PLANTS ON LAND

FIRST ANIMALS ON LAND

FIRST FISH

EARLY HUMANS

Place these in order that they occurred from OLDEST to MOST RECENT.

ABSOLUTE AND RELATIVE DATING

For each term or picture write ABSOLUTE or RELATIVE DATING.

Answer:

Answer:

Law of Superposition

Radiometric

Age of Earth Answer:

Rock Layers Answer:

Answer:

Answer:

FOSSILS QUESTION:

SCIENTISTS FOUND SEA LIFE FOSSILS HIGH UP ON THE MOUNTAINS.

What does this tell us about the environment of the past?ANDHow could the environment and life have CHANGED so much from ocean to mountains?

Answer:

Law of Superposition

List the layers in order from OLDEST to YOUNGEST: (Hint: Oldest is “E” and YOUNGEST is “F”)

E …

250 mya TODAY (2014)

The pictures above show how the landscape changed in ONE area of Earth.1.Describe the changes that happened from 250 mya to today. (1-2 sentences)

2.What could have caused this change? (2-3 sentences)

1.What evidence or observations would scientists use to know that these changes took place?

A:

A:

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TIMELINE: WRITE DOWN THE 4 MOST IMPORTANT EVENTS THAT HAVE HAPPENED IN THE HISTORY OF THE EARTH. PLACE THEM IN CORRECT ORDER.

4.6 BILLION Y.A.

TODAY