Grade 4 - Fossil and Rock formation

Which type of fossil is it?

• Animal Fossil

• Trace Fossil

• Plant Fossil

Which type of fossil is it?

• Animal Fossil

• Trace Fossil

• Plant Fossil

Fossils give clues about the past.

• True
• False

  A _____________________ is the remains or evidence of an   ancient organism.

• paleontologist 
•  fossil
• preserved
• extinct

____________________ is a scientist who studies fossils.

• paleontologist 
•  fossil
• preserved
• extinct

The oldest layer of rock is layer _________________, and the youngest layer of rock is layer ____________________.

• 1; 5

• 2;4

• 3;2

• 4;3

A scientist discovers a body fossil of a fish.

Arrange the sequence of events into the correct order to describe how the body fossil formed. Label the first step 1 and the last step 4.

 

A Fossil Forms

An Organism Dies

Soft Tissue Decays

Bones are replaced by minerals

• -A Fossil Forms

  -An Organism Dies

  -Soft Tissue Decays

  -Bones are replaced by minerals

• -Bones are replaced by minerals

  -A Fossil Forms

  -An Organism Dies

  -Soft Tissue Decays

• -Bones are replaced by minerals

  -Soft Tissue Decays

  -A Fossil Forms

  -An Organism Dies

• -An Organism Dies

  -Soft Tissue Decays

  -Bones are replaced by minerals

  -A Fossil Forms

What evidence is shown in the picture to support the fact that Grand Canyon rocks are examples of sedimentary strata?

• The rocks are near a riverbed.

• The layers of rock are in vertical patterns

• The rocks have smooth edges.

• The layers of rock are in horizontal patterns.

What most likely caused the rock strata to change?

• Mineral colors affected the position of the rock layers.

• Movement of Earth's crust pushed on the sediment layers.

• Sea waves washed over the rocks and caused curvy patterns.

• Wind caused the many different layers of rock strata.

What is the largest division of time in the geological timescale?

• Eon

• Era

• Epoch

• Period