Science Standard for second grade
2-ESS1-1. Use information from several sources to provide evidence that Earth events can occur quickly or slowly
Introduction
In this webquest, you will be watching videos to discover more about how our earth can change slowly or quickly.
Task
Click on the video links to view the videos of landforms that can change slowly or quickly because of different events taking place on the earth.
Use the information from the two videos to answer the questions on your paper.
https://contrib.pbslearningmedia.org/WGBH/buac20/buac20-int-fastandslowchanges/index.html
Evaluation
Use the videos on the webquest to answer the following questions:
Answer these questions using the video: Our Ever-changing Earth: Quick or Slow Events | MightyOwl Science 2nd Grade
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Earth’s surface is constantly changing. True or False?
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What is one change you saw in the video? Tell the name of the landform and how it changed.
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How does an earthquake change the earth? a. It slowly causes new mountains to be formed b. It causes landslides to the land c. Destroys buildings d. All of the above
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How do you know? ____________________________________________________________
____________________________________________________________
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. ________________occur when soil and rock slide down the side of a hill or mountain.
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Weathering is a fast or slow process? __________________________
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Erosion over a long period of time can cause a cave to form? True or False
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Erosion over a short period of time can cause ______________ erosion that happens when wind and water carry away dirt.
Answer these questions using the video: Fast and slow changes on Earth’s surface -PBS Learning
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In the stream video, did the change happen slowly or quickly? ____________________________________________________________
How do you know? ____________________________________________________________
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In the volcano video, did the change happen slowly or quickly? ____________________________________________________________
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Look at Mt. St. Helens before and after the volcano erupted. What changed? Did it change quickly or slowly? What caused the change to happen? Use evidence from the videos to support your answer.
Conclusion
In conclusion, earths changes can happen quickly, like during an earthquake or volcano, or slowly, like a stream running across rocks. During these events, landforms are changing. Sometimes we see the change happen before our eyes, and sometimes it occurs so slowly that we don't even notice a change has occurred.
Credits
YouTube. (2021, October 29). Our ever-changing earth: Quick or slow events | mightyowl science 2nd grade. YouTube. https://www.youtube.com/watch?v=J_WpRXSZhWg
Slide Show! (n.d.). Contrib.pbslearningmedia.org. https://contrib.pbslearningmedia.org/WGBH/buac20/buac20-int-fastandslow…