1. A metal ball bearing (solid) suspended in oil (liquid).
Layers of Earth
Earth and Space 1
Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer? A
A metal ball bearing (solid) suspended in oil (liquid). B
Gelatin (red semi-solid) on top of a cracker (brittle solid). C
A ball of clay (solid) filled with water (liquid). D
Rubber ball (flexible solid) painted red (thin solid covering).
6.10A
2 Oceans, and other bodies of water, are found on which layer of Earth? A
Outer core B
Mantle C
Inner core D
Crust

2. A crust that is the thickest layer.
Layers of Earth
Earth and Space 3
Which of the following would be an accurate feature to include in a model of Earth? A
A crust that is the thickest layer. B
An inner core that contains oceans. C
A thin mantle in the center of the model. D
A liquid outer core below the mantle. 4
Which of the following best describes Earth’s asthenosphere? A
Liquid rock that can reach the surface. B
Solid rock that is broken into plates. C
Dense rock that moves the crust. D
Metal rock at the center of the Earth.

3. temperatures as the real Earth.
Layers of Earth
Earth and Space 5
A student constructs a clay model of Earth to show its layers. What property is the model able to share with the real Earth? The model will have layers that are the same - A
temperatures as the real Earth. B
positions as the real Earth. C
state of matter as the real Earth. D
thickness as the real Earth. 6
The layer of Earth that is found directly below the lithosphere is called the - A
crust. B
asthenosphere. C
inner core. D
outer core.

4. Which layer of Earth is broken up into giant moving plates?
Layers of Earth
Earth and Space 7
Which layer of Earth is broken up into giant moving plates? A
Asthenosphere B
Lithosphere C
Inner core D
Outer core 8
Which layer of Earth behaves more like a solid near the top, and more like a liquid near the bottom, where pressure is higher? A
Crust B
Mantle C
Outer core D
Inner core

5. Earth’s layers are evidence that, over time, Earth has gradually -
Layers of Earth
Earth and Space 9
Earth’s layers are evidence that, over time, Earth has gradually - A
spun more quickly. B
grown in size. C
cooled into a solid. D
broken into parts. 10
Which of Earth’s layers would be best modeled as a metallic sphere? A
Mantle B
Outer core C
Crust D
Inner core

6. Earth’s crust would be best modeled by using a material that is -
Layers of Earth
Earth and Space 11
Earth’s crust would be best modeled by using a material that is - A
liquid and hot. B
dense and smooth. C
soft and flexible. D
thin and solid. 12
The materials available to make a model of Earth are shown.
To make the most accurate model, which of the materials would best represent the asthenosphere? A
Modeling clay B
Ping pong ball C
Ball bearing D
Water

7. Which of Earth’s layers has the lowest density?
Layers of Earth
Earth and Space 13
Which of Earth’s layers has the lowest density? A
Crust B
Inner core C
Mantle D
Outer core 14
Which of the following best describes the position of the layer of the earth known as the crust? A
Above the mantle, which is above the core B
Above the core, and below the mantle C
Between the inner core and the outer core D
Below all other layers, including the mantle and core