Earth History

Carbon-14 is what kind of dating

• Relative

• Absolute

• Metamorphic

• Igneous

How do ice cores explain early Earth history

• They provide fossil records for scientists

• They describe early atmospheric conditions/climates

• They provide reasoning for the extinction of species

• They hold index fossils

What dating method can help identify the age of dinosaur bones?

• Weather conditions around the bones

• Atmospheric properties of ice cores near the bones

• Birds living near the area of the bones

• index fossils near the bones

What can earthquakes tell scientists about the history of the Earth?

• Continents are moving

• Climate is changing

• Oceans are deeper than thought

• Fossils are at an older time period than originally thought

The mesozoic era is the era of...

• Mammals

• Reptiles

• Old Life

• New Life

Many seashells were found in the blue ridge mountains during a fossil dig. What does that tell us about North Carolina?

• North Carolina used to have taller mountains

• North Carolina used to have more rivers

• The Blue Ridge Mountains used to be underwater

• Flooding was persistent in Kentucky

How would a scientist best understand the age of a rock layer?

• Law of superposition

• Radiometric Dating

• Index Fossils

• Forming a hypothesis

What type of rock is formed when magma cools?

• Sedimentary Rock

• Metamorphic Rock

• Igneous Rock

• Sarvetory Rock

Index fossils are found in the same rock layers miles apart. What can be inferred about the age of the rock layers?

• The rock layers are the same age

• The rock layers are millions of years apart

• The rock layers were eroded

• The rock layers experienced intrusion

You see a section of rock layers in a museum. They have tons of marine fossils throughout the layers. What can you infer about the area these layers were found?

• This area was continental

• This area was covered by water

• This area was formed a long time ago

• This area was covered by magma