Week 6 3/15 WHOT Warm-up Please pick up a Dried Mud Puddle Puzzle from the front of the room. Write a story that matches the picture below (this is an individual Activity, we will share Later)

Mr. Pearson’s bird foot story… Mr. Pearson has a gross story from his first job detailing a series of events that ended with a messy disaster.

To Do: 1. Match relative dating definitions 2. Get Mrs. Panerio or Mr. Pearson to sign off on your correct definitions. Get materials Glue stick, Scissors, 3 note cards. Cut each note card in half to make 6 flash cards. When your flash cards are complete you use them to complete the relative dating puzzle puzzle on the screen.

Put these events in order from first to last.

Week 6 3/16 WHOT Warm-up Use your cards from yesterday: Pick two rules (cards) and EXPLAIN how they apply to the following picture. Example: Superposition – The oldest layer is at the bottom, the youngest at the top. Letter H is the oldest layer

RELATIVE DATING Determining whether an object or an event is older or younger than other objects or events (Not exact ages) Or your cousins… Relative Dating

Law of Original Horizontality New layers of rock are formed flat!

Superposition Younger rock lies above older rock

Cross Cutting Relationships FAULT: A break in Earth’s crust INTRUSION: Molten rock squeezes into existing rock and cools INTRUSION: Molten rock squeezes into existing rock and cools

Unconformities TILT: Forces inside Earth slant rock layers FOLD: Bent rock layers

` Disturbed Rocks 1 Disturbed Rocks 2 Disturbed Rocks 3 Disturbed Rocks 4

Read and define the following Strata Index Fossil

Who’s on first? Complete Part A

Week 6 3/17 WHOT Warm-up Use the words superposition, strata, and fossil to make a statement answering the following 2 questions.

Friday 3/18 Grading WHOTS This week worth 10 points. (+1 for the week #)

Week 6 3/15 WHOT Warm-up Please pick up a Dried Mud Puddle Puzzle from the front of the room. Write a story that matches the picture below (this is an individual Activity, we will share Later)

Week 6 3/16 WHOT Warm-up Use your cards from yesterday: Pick two rules (cards) and EXPLAIN how they apply to the following picture. Example: Superposition – The oldest layer is at the bottom, the youngest at the top. Letter H is the oldest layer

Week 6 3/17 WHOT Warm-up Use the words superposition, strata, and fossil to make a statement answering the following 2 questions.

Fossils From: Calvert Cliffs, MD Excavated in the 1960’s

Calvert Cliffs of Maryland

History of Earth Calvert Cliff Fossils TrilobitesTrilobites Trilobite

How old are these fossils? Miocene Period: 6 to 20 million years old Invertebrate Fossils (clams, barnacles, scallops, mussels, etc) million years old Dolphin rib bone – million years old Whale vertebras – million years old Sharks teeth – 6-20 million years old Trilobite – lived for 300 million years. These ones I have are at least 240 million years old.

History of life on Earth

Unconformity Break in the geologic record Frequently old layers of rock are eroded before new ones laid down

Relative Dating Exercises Try this one F D E C B A

Relative Dating Exercises E (oldest) C B A D F (youngest) F D E C B A

Assignment

WHOT Q Missoula floods.

Relative Dating Practice.

Relative Dating Exercises Always start with the oldest rock and work toward the present. List the letters in order, with the oldest at the bottom T

Relative Dating Exercises F (Youngest) J B R Erosion A S M K P (oldest) T

Relative Dating Exercises Use colors to represent each layer

Relative Dating Exercises Yellow (youngest) Orange Brown Erosion N Folding A Green Blue Green Blue Red Green Blue Red Green (Oldest