1:Divide the class into teams of two students each. Provide each team with materials and a work space.
Have students color the outside of one paper cup with the marking pen.
2:Next, have them cut from the corrugated cardboard boxes two, same-size strips, each 13 to 23 cm (5 to 9 in) long. Use the rulers, as necessary. These will be the anemometer blades.
3:Cross the cardboard strips so they make a plus (+) sign. Staple them together in the middle, where they cross (see Figure 1), making sure the anemometer blades are of equal length. Use the rulers to measure the blades and locate the exact center.
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Answer:
1:Divide the class into teams of two students each. Provide each team with materials and a work space.
Have students color the outside of one paper cup with the marking pen.
2:Next, have them cut from the corrugated cardboard boxes two, same-size strips, each 13 to 23 cm (5 to 9 in) long. Use the rulers, as necessary. These will be the anemometer blades.
3:Cross the cardboard strips so they make a plus (+) sign. Staple them together in the middle, where they cross (see Figure 1), making sure the anemometer blades are of equal length. Use the rulers to measure the blades and locate the exact center.
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