Monday, September 24th Entry Task Write down 3 things that you think are important to know about fossils. Be as detailed as possible. Schedule: Fossils.

Monday, September 24th

Entry Task

Write down 3 things that you think are important to know about fossils. Be as detailed as possible.

Schedule:•Fossils Notes

Objective•I can understand that Earth’s past is revealed in rocks and fossils

Homework: • 9.1 Quiz tomorrow

Please have on desk:• 9.1 RSG•9.1 Review Questions

• Traces or remains of living things Traces or remains of living things from long ago.from long ago.

• There are 2 main types of fossils:There are 2 main types of fossils:

1.1. Original remainsOriginal remains

2.2. Rock fossilsRock fossils

• Fossils that are the actual bodies Fossils that are the actual bodies or body parts of organisms.or body parts of organisms.

• There are 3 modes of preservation:There are 3 modes of preservation:

1.1. IceIce

2.2. AmberAmber

3.3. TarTar

• Ice is one of the best preservers of the Ice is one of the best preservers of the remains of prehistoric life.remains of prehistoric life.

• Huge ice fields in Siberia and Alaska Huge ice fields in Siberia and Alaska contain 10,000 year-old mammoths.contain 10,000 year-old mammoths.

• Amber forms from resin, a sticky Amber forms from resin, a sticky substance inside trees that flows like substance inside trees that flows like syrup and protects the tree by trapping syrup and protects the tree by trapping insects.insects.

• Original remains of animals have also Original remains of animals have also been found in places where there are been found in places where there are pools of tar – a thick, oily substance.pools of tar – a thick, oily substance.

• If an organism is covered by or If an organism is covered by or buried in sediment, it may buried in sediment, it may become a fossil as the sediments become a fossil as the sediments become rock.become rock.

• There are 4 main types of fossils There are 4 main types of fossils that we find in rocks: molds and that we find in rocks: molds and casts, petrified wood, carbon casts, petrified wood, carbon films and trace fossilsfilms and trace fossils

• A mold is a visible shape A mold is a visible shape that has left after an animal that has left after an animal or plant was buried in or plant was buried in sediment and then decayed sediment and then decayed away.away.

• A cast fossil is a solid model A cast fossil is a solid model in the shape of the in the shape of the organism.organism.

• The stone fossil of a tree is called The stone fossil of a tree is called petrified wood.petrified wood.

• Carbon is an element Carbon is an element that is found in every that is found in every living thing.living thing.

• Sometimes when a Sometimes when a dead plant or animal dead plant or animal decays, its carbon is decays, its carbon is left behind as a left behind as a visible layer.visible layer.

• Trace fossils are not parts Trace fossils are not parts of an animal or of an animal or impressions of it, but impressions of it, but rather evidence of an rather evidence of an animal’s presence in a animal’s presence in a given location.given location.

• Trace fossils include: Trace fossils include: footprints, trails, animal footprints, trails, animal holes, and even feces.holes, and even feces.

• Conditions have to be just right for Conditions have to be just right for a fossil to form in rock – the a fossil to form in rock – the organism must be preserved organism must be preserved before it decomposes or before it decomposes or disappears.disappears.

• Rock fossils form in sedimentary Rock fossils form in sedimentary rock. Why not in igneous rocks?rock. Why not in igneous rocks?

Tuesday, September 25th

Entry Task

Match the evidence with what scientists can learn about it. Write it all out.Type of Evidence

1. Tree rings2. Trace fossils3. Mold fossils4. Petrified wood

What can be learneda. Ancient treesb. Soft organismsc. Footprintsd. Recent weather patterns

Schedule:•Bill Nye Fossils•9.1 Quiz

Homework:• None

Objective: • I can explain important information about fossils

Please have on desk:• Fossil Foldable

Wednesday, September 26th Entry Task

Make sure you have a book on your desk. Today we will be reading 2 sections and doing 2 RSGs. Whatever you do not finish in class will be homework.

Schedule:• Read/RSG 9.2

Homework:• Finish Reading/RSG 9.2• Read/RSG 9.3

Objective:•I can understand that Rocks provide a timeline for Earth and that the geologic time scale shows Earth’s past

Thursday, September 27th Entry Task

Imagine that a new road is being built in your area. Some hillside has been cut away, leaving its rock layers exposed. Draw a diagram of the rock layers. Label the layers from youngest to oldest.

Schedule:• Geologic Time Scale

Homework:• Chapter 9 Vocabulary

Objective: •I can understand how the geologic timescale can show clues to Earth’s past

Please have on your desk

• 9.2 RSG• 9.3 RSG

Chapter 9 Vocabulary

• There are 9 vocab words for chapter 9. You can find them on page 312.

• Pick a vocabulary strategy to do for all 9 of these.

• You can find the strategies in the back of your text book on page R50.

• Do these in your notebook in the next blank spot

Friday, September 28th Entry Task

Answer the following questions full sentences, IQIA.

1.Describe the concept of uniformitarianism2.What does the geologic time scale measure?3.What was life like on Earth for most of its history?

Schedule:• Geologic Time Scale

Homework• Questions 1-6 page 301 Use

full sentences, IQIA

Objective: •I can understand how the geologic timescale can show clues to Earth’s past

Please have on desk:• Chapter 9 Vocabulary