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Transcript of Performance Assessment
Describe internal forces such as volcanoes, earthquakes, faulting, and plate movements that are responsible for the earth’s major geological features such as mountains, valleys, etc. Subject- Science
Grade - 5th Goal - Students will comprehend the causes of earthquakes.
Measurable Objective - Students will be able to identify the causes of earthquakes. Brainstorm Brainstorm with your partner what you know about the causes and effects of earthquakes and create a list of causes and effects. Plan Experiment Plan your experiment (make sure to record everything materials used, procedure used, what will remain consistent when comparing) and write your hypothesis. Conduct Experiment Conduct experiment, record your observations, apply your observations to real-world situations, and change your brainstorming list if needed. Remember to record everything and turn in your findings. Performance Assessment
by Lisa Hall Earthquakes Tips to remember when planning experiment:
•We will use sand as the soil type. Use the two empty cups to hold sand. One cup will hold loose sand, and the other one will hold sand hardened with glue. Decide how much sand you will put in each cup. Make sure amount of sand in each cup is equal.
•Use the measuring spoon to pour glue on the cup of sand to make it hard. Plan to allow the glue to sit on the sand for a few minutes so that it hardens
•The pennies will be used as model buildings. Decide how you should place the pennies and how many pennies you will use in each cup. Place pennies upright in the sand in each cup. Use the same number of pennies in each cup and place them in the same location in each cup.
•Decide how to create earthquake like vibrations in each cup. For example, you can shake them back and forth or tap the cups, or shake the table they are sitting on. Have the same student create the vibrations and be as consistent as possible. For example tap each cup the same way with the same force.
•Plan to conduct several trails to make certain your results are accurate.
•Things you should be looking for: does the sand remain stable or unstable, does it take the shape of the cup it is in, does it behave like a fluid, and how does the position of the pennies change as the cup is being shaken. Answer Questions 1.What happened? Answers may vary.
2.Why do you think this happened?
3.Think about your observations of the pennies. In an area that frequently has earthquakes; on what kind of soil is it more hazardous to build a house?
4.San Francisco is a region where many earthquakes occur. Some of the homes there are built on san and loose landfill. On the basis of your findings, what risk do you think these homeowners are taking by living there?
5.Go back to the list of causes and effects of earthquakes that you made. Do you want to add to or change anything on the list? If so why?