Monday, November 5, 2007

How did those Egyptians lift those giant blocks anyway?

Puzzling Pyramids Simulation

  1. Subject Area: Science

  2. Grade Level: Grade 4

  3. Source: http://scifiles.larc.nasa.gov/kids/Problem_Board/problems/pulleys/sim1.swf

  4. The MLO is a simulation of how the Egyptians could have used simple machines including inclined planes, levers, pulleys, wheels and axles to build the pyramids. Students have to use simple math (multiplication and division with the use of a calculator) to see how much force would be necessary to move 500lb blocks using the various machines. There are multiple levels that get increasingly more complicated.

  5. Integration: This simulation would best be used as supplement during/after a simple machines unit. After learning how they work, I would start out the first level on a projector/smart board and work with the class towards reaching the correct answers. A discussion about what you might use it for as well as predictions for what they think the most effective machine will be will also be included. Once we were finished with the first level, I would go to a computer lab with the class so that everyone can work through the other levels on their own. In order to get through the levels, they have to get the questions right, so I will be able to assess if they are getting it by how far they get.

  6. Planning and Prep: I would (and have) go through the entire simulation. I would make sure all of the computers in the lab (and the classroom Smartboard computer) were able to connect to the Internet and had Shockwave-flash installed. The computer lab work would be individual with a promise of some more hands-on group work on the horizon.

  7. Specific Learning Outcomes:

    1. Construct devices that use wheels and axles, and demonstrate and describe their use in pulley systems and gear systems

    2. Demonstrate ways to use a lever that applies a small force to create a large force.

  8. ICT Outcome: Pose and test solutions to problems by using computer applications such as computer-assisted design or simulation/modeling software