1. Earth’s Layers…Clues From the Past
4-ESS1-1
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Earth’s Layers…Clues From the Past
Hello boys and girls,
Before coming out to the Discovery Zone
why not introduce yourself to some
of the cool words we will be using.

2. What other examples of layers can you think of?
4-ESS1-1
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Layer –  a level of material, such as a type of rock or gas, that is different from the material above or below it
Dr. Gomez said, “Oil is usually found under rock layers in underground pools called reservoirs”.
What other examples of layers can you think of?
Layers

3. What sequence do your classroom subjects follow?
4-ESS1-1
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Sequence –  number of events or things that come one after another in an order
Changing the sequence of the recipe steps caused the cookies to taste awful!
What sequence do your classroom subjects follow?

4. Is there a pattern to our cafeteria’s lunch menu?
4-ESS1-1
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Pattern –  Something that repeats in a predictable way is a pattern.
The wallpaper’s flower pattern repeated throughout the room.
Is there a pattern to our cafeteria’s lunch menu?

5. If erosion carries soil away….Where does the soil go?
4-ESS1-1 prepack
Erosion – the breaking down of rocks by weathering (water, wind, plant life, freezing,
earthquakes) and the transport or carrying of the soil to another place.
The river eroded the landscape until a huge canyon was formed.
If erosion carries soil away….Where does the soil go?

6. The magma cross-cut the older layers above the magma.
4-ESS1-1
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Cross-cutting –  when a layer of rock cuts across an older layer
The magma cross-cut the older layers above the magma.

7. Earth’s Layers…Clues From the Past
4-ESS1-1
prepack
Earth’s Layers…Clues From the Past
Remember these words when you
Come out to the Discovery Zone.
We’ll see you soon!