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Earth Changes.

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Presentation on theme: "Earth Changes."— Presentation transcript:

1 Earth Changes

2 Erosion Volcanoes EarthChanges Earthquakes 100 100 100 100 200 200 200 200 300 300 300 300 400 400 400 400 500 500 500 500

3 This kind of erosion move the most rock on Earth’s surface
Water This kind of erosion move the most rock on Earth’s surface Row 1, Col 1

4 Do volcanoes change The surface of the earth slowly or quickly? 1,2

5 What could make a mountain become smaller?
Erosion, weathering What could make a mountain become smaller? 1,3

6 Scientists use this tool to Measure movement
Seismograph Scientists use this tool to Measure movement 1,4

7 They can erode and eventually fall
How can arches become dangerous? 2,1

8 Shield, dome, strato, cinder cone, composite
Name four types of volcanoes 2,2

9 What is the best estimate Long it takes for a glacier
Thousands What is the best estimate of how Long it takes for a glacier to carve A valley? Hundreds, thousands, or millions of years? 2,3

10 Why would scientists want to predict Earthquakes?
So that people can be prepared and less damages are caused Why would scientists want to predict Earthquakes? 2,4

11 erosion, weathering, uplift
What is one example of a slow earth change? 3,1

12 What is the definition of a volcano?
An opening in the Earth’s crust that allows hot melted rock, ash, and gases to erupt out. What is the definition of a volcano? 3,2

13 Breaking down into smaller pieces
What is the definition of weathering? 3,3

14 ________________ lines
Fault Earthquakes happen along ________________ lines 3,4

15 To wear away What does erode mean? 4,1

16 4,2 Where the Earth’s tectonic plates meet Where to most volcanoes
and other seismic activities take place? 4,2

17 Water seeps into cracks and freezes
What is the first stage of weathering? 4,3

18 Earthquakes form valleys and __________________
mountains Earthquakes form valleys and __________________ 4,4

19 Volcano, earthquake, mudslide
What is an example of a quick earth change? 5,1

20 5,2 lava When hot rock deep in the Earth expands and is
Forced out of the opening Of a volcano, what is formed? 5,2

21 It has taken over_________________ the Grand Canyon to form.
5,000 It has taken over_________________ years for the Grand Canyon to form. 100, 500, 5000, 10000 5,3

22 What is the word that means
Deposition What is the word that means “the process of layering sediments”? 5,4


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