Page 115 - Active Science 5 Ebook and Activity

4. What are the causes of tsunami?

5. What is a Richter scale?

E. Long Answer Questions.
1. What are the aftereffects of earthquake?

2. What precautions should be taken during an earthquake?
3. What are the disadvantages and advantages of a volcanic eruption?

4. How does tsunami occur? What are its aftereffects?
5. How can the effects of a drought be controlled?

Think Hard

Suppose you are in a coastal town. You turn on the radio and hear a tsunami warning. What
will you do?

Project Work

Recently, your town has faced floods. Write your experience. Collect pictures and paste them in
your notebook.

Life Skills Activity

1. Make a model to observe the type of motion that occurs at a fault during an earthquake and
explore the effects.

2. Show how earthquakes are caused. Create a fictional story about an earthquake and write
a news article with a map showing the epicentre.

Research and Development

Investigate and find out if anyone has a reliable and successful way to predict earthquakes.

Come up with your own idea for predicting earthquakes and test it. Explain why it did or did
not work.

Net Work

• Visit the given link to know how to make your own seismograph,http://cse.ssl.berkeley.edu/
lessons/indiv/davis/hs/Seismograph.html
• To know about health and safety tips after a disaster, log on tohttp://emergency.cdc.gov/disasters/
alldisasters.asp

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