S9-U6L1 - Check-Up

S9-U6L1 - Check-Up

Journey to the Earth's Core

National Geographic / Journey to the Earth's Core HD Full Documentary

Question

Supposed you need to make a model of the Earth's composition and structure using cereal and melted marshmallows to hold the cereal together in a ball. Which model would be most accurate? Explain your choice.

• a. a ball of crushed cornflakes

• b. a ball of muesli (a mixture of nuts and fruit)

• c. a ball with raisins in the center, a middle layer of oats, and an outer layer of crushed cornflakes.

Open Ended

Supposed you need to make a model of the Earth's composition and structure using cereal and melted marshmallows to hold the cereal together in a ball. Which model would be most accurate? Explain your choice.

a. a ball of crushed cornflakes

b. a ball of muesli (a mixture of nuts and fruit)

c. a ball with raisins in the center, a middle layer of oats, and an outer layer of crushed cornflakes.

Question:

Our understanding of the composition structure and dynamics of the earth's interior is based on direct and indirect evidence. Match each interpretation about the earth's core with evidence that supports it.

Open Ended

Our understanding of the composition structure and dynamics of the earth's interior is based on direct and indirect evidence. Match each interpretation about the earth's core with evidence that supports it.

Question

A geologist is studying another planet. She wants to make a compositional model and structural model of the planet's interior. To do this, she needs to design investigations to answer a number of specific questions. For each question state whether the answer will help develop a compositional model a structural model or both.

• a. Is there a magnetic field?

• b. What is the average density of the planet?

• c. At what depths do seismic waves reflect?

• d. Does the magnetic field change over time?

• e. What rock types are found on the surface?

• f. At what speed do seismic waves travel through different layers?

Open Ended

A geologist is studying another planet. She wants to make a compositional model and structural model of the planet's interior. To do this, she needs to design investigations to answer a number of specific questions. For each question state whether the answer will help develop a compositional model a structural model or both.

A convection oven

transfer of heat from inside out

Question:

A student is building a model to demonstrate and explain mantle convection. Which model is most accurate?

Question

Rocks on Earth's surface can provide evidence for the composition of Earth's interior. Which of the following statements are true?

Open Ended

Think about Halley's original hollow earth model, in which there are two thick, rocky layers with a wide layer of glowing air in between. In what ways is Halley's model of earth's interior similar to and different from the modern models. consider the composition, structure, and properties of the various layers.

Open Ended

What if Halley's model were correct? How do you think seismic waves would behave as they traveled through Earth? How would seismic evidence of Earth's interior be different?