Unit 2: Earth Yesterday, Today, and Tomorrow Earth’s Layers Plate Tectonics Compasses Magnetism Fossils Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500 Final Jeopardy

$100 Question from H1 Which layer acts as a giant magnet?

$100 Answer from H1 Inner solid core The Iron and Nickel in the inner core gets magnetized by the movement of the outer core

$200 Question from H1 What is layer #1 and #2?

$200 Answer from H1 #1= Oceanic Crust #2= Continental Crus We know this because oceanic is more dense and sinks under the continental.

$300 Question from H1 Which layer is the convecting mantle? Draw a diagram to explain what happens in this layer.

$300 Answer from H1 Layer #4

$400 Question from H1 Which of the layers is a liquid made mostly of Iron and Nickel?

$400 Answer from H1 Layer #5 The outer liquid core

$500 Question from H1 Which layers are part of the Lithosphere?

$500 Answer from H1 Layers 1, 2, and 3.

$100 Question from H2 What type of plate boundary is shown in the diagram?

$100 Answer from H2 Convergent Boundary

$200 Question from H2 Which type of crust is more dense?

$200 Answer from H2 Oceanic is more dense since it sinks below the continental.

$300 Question from H2 Which type of boundary is shown in the diagram?

$300 Answer from H2 Divergent Boundary

$400 Question from H2 Identify the type of boundary.

$400 Answer from H2 Transform Boundary

$500 Question from H2 In which type of boundary does continental crust fold to become mountain ranges?

$500 Answer from H2 Convergent Boundary

$100 Question from H3 Draw a proper compass for a person traveling East.

$100 Answer from H3

$200 Question from H3 Which direction in the traveler going in the compass below.

$200 Answer from H3 South

$300 Question from H3 Which direction is the person traveling?

$300 Answer from H3 West

$400 Question from H3 Draw in the arrow for the following compass. Traveling West

$400 Answer from H3

$500 Question from H3 Draw in the arrow for the following compass. Traveling East

$500 Answer from H3

$100 Question from H4 Draw in the magnetic field for the following bar magnet

$100 Answer from H4 Your Text Here

$200 Question from H4 Label the North and South poles on the globe.

$200 Answer from H4 Your Text Here

$300 Question from H4 Draw a diagram showing the atoms in an item that cannot be magnetized.

$300 Answer from H4 Your Text Here

$400 Question from H4 Draw a diagram of atoms in a substance that can be magnetized and it is.

$400 Answer from H4 Your Text Here

$500 Question from H4 What part of the compass points to Magnetic North?

$500 Answer from H4 The North End!

$100 Question from H5 Which layer is the oldest?

$100 Answer from H5 Layer # 4

$200 Question from H5 What principal tells us that the youngest layers are on top?

$200 Answer from H5 The principal of superposition

$300 Question from H5 Which bolder is oldest?

$300 Answer from H5 Bolder # 2

$400 Question from H5 Name the missing step to the formation of a body fossil. Organism Dies Soft parts begin to decompose Organism gets buried in sediment layers After a long period of time, fossil forms

$400 Answer from H5 3. Minerals soak into hard parts (bones)

$500 Question from H5 What is the time frame of fossil #2?

$500 Answer from H5 50-200 million years ago (mya)

Final Jeopardy Layer #3 was tested for Urnaium-274. There is 25% of Uranium-274 remaining. We know that layer#3 is 60 million years old. What is Uranium-274’s half life?

Final Jeopardy Answer It has a half life of 30 million years. 25% left = 2 half lifes 60/2=30