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
The mantle does not behave the same throughout. In places where the mantle flows like a liquid, it does so because it - A
is being moved by plates. B
is under more pressure. C
has melted completely. D
has existed for longer.

8. Above the mantle, which is above the core
Layers of Earth
Earth and Space 15
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