Students design, build and test reflectors to measure the effect of solar …
Students design, build and test reflectors to measure the effect of solar reflectance on the efficiency of solar PV panels. They use a small PV panel, a multimeter, cardboard and foil to build and test their reflectors in preparation for a class competition. Then they graph and discuss their results with the class. Complete this activity as part of the Photovoltaic Efficiency unit and in conjunction with the Concentrated Solar Power lesson.
William Surles, Abigail Watrous, Malinda Schaefer Zarske, Jack Baum, Stephen Johnson (This high school curriculum was originally created as a class project by engineering students in a Building Systems Program course at CU-Boulder.)
Students learn about the many types of expenses associated with building a …
Students learn about the many types of expenses associated with building a bridge. Working like engineers, they estimate the cost for materials for a bridge member of varying sizes. After making calculations, they graph their results to compare how costs change depending on the use of different materials (steel vs. concrete). They conclude by creating a proposal for a city bridge design based on their findings.
This google slide show will be used by first grade teachers with …
This google slide show will be used by first grade teachers with their students as a numeracy routine. Students should be given time to notice and wonder about each slide. Multiple opportunities to count objects exist within each slide's photo. The slides build upon the counting collections strategy, which involves multiple ways to count collections of physical objects.
This google slide show will be used by second grade teachers with …
This google slide show will be used by second grade teachers with their students as a numeracy routine. Directions for the teacher are found here. For quarter one, students will estimate using physical objects in a jar. Students should be given time to notice and wonder about each jar of items.
This google slide show will be used by second grade teachers with …
This google slide show will be used by second grade teachers with their students as a numeracy routine. Directions for the teacher are found here. For quarter three, students will estimate using pictures with clues. Students should be given time to notice and wonder about each. Then, students can adjust their estimates as clues are revealed. Using a number line range is a good technique. This resource has been adapted from the work of Steve Wyborney.
This google slide show will be used by fourth grade teachers with …
This google slide show will be used by fourth grade teachers with their students as a numeracy routine. Directions for the teacher are found here. For quarter three, students will estimate using pictures with clues. Students should be given time to notice and wonder about each. Then, students can adjust their estimates as clues are revealed. Using a number line range is a good technique. This resource has been adapted from the work of Steve Wyborney.
Students determine the coefficient of restitution (or the elasticity) for super balls. …
Students determine the coefficient of restitution (or the elasticity) for super balls. Working in pairs, they drop balls from a meter height and determine how high they bounce. They measure, record and repeat the process to gather data to calculate average bounce heights and coefficients of elasticity. Then they extrapolate to determine the height the ball would bounce if dropped from much higher heights.
Mark Moldwin (now at University of Michigan, Atmospheric, Oceanic and Space Sciences) (This activity was classroom tested in second grade classes at El Rincon Elementary and Linwood E. Howe Elementary School within the Culver City Unified School District in California with additional support from a NSF Geosciences Education grant.)
Science and Engineering of the Environment of Los Angeles (SEE-LA) GK-12 Program,
This google slide show will be used by kindergarten grade teachers with …
This google slide show will be used by kindergarten grade teachers with their students as a numeracy routine. Directions for the teacher are found here. Students should be given time to notice and wonder about each slide. Then, a nice practice is to build a number line with a too high and too low decided upon by the class. Students can then adjust their thinking and refine their estimate as needed.
Students learn about the major factors that comprise the design and construction …
Students learn about the major factors that comprise the design and construction cost of a modern bridge. Before a bridge design is completed, engineers provide overall cost estimates for construction of the bridge. Students learn about the components that go into estimating the total cost, including expenses for site investigation, design, materials, equipment, labor and construction oversight, as well as the trade-off between a design and its cost.
Students learn about contamination and pollution, specifically in reference to soil in …
Students learn about contamination and pollution, specifically in reference to soil in and around rivers. To start, groups use light sensors to take light reflection measurements of different colors of sand (dyed with various amounts of a liquid food dye), generating a set of "soil" calibration data. Then, they use a stream table with a simulated a river that has a scattering of "contaminated wells" represented by locations of unknown amounts of dye. They make visual observations and use light sensors again to take reflection measurements and refer to their earlier calibration data to determine the level of "contamination" (color dye) in each well. Acting as engineers, they determine if their measured data is comparable to visual observations. The small-scale simulated flowing river shows how contamination can spread.
Students analyze and begin to design a pyramid. Working in engineering teams, …
Students analyze and begin to design a pyramid. Working in engineering teams, they perform calculations to determine the area of the pyramid base, stone block volumes, and the number of blocks required for their pyramid base. They make a scaled drawing of the pyramid using graph paper.
This lesson will give the student a basic understanding of how to …
This lesson will give the student a basic understanding of how to identify materials and estimate woodworking material in a project. Teacher or student can decide on a project to complete an estimate.
This lesson will give the student a basic understanding of how to …
This lesson will give the student a basic understanding of how to identify materials and estimate woodworking material in a project. Teacher or student can decide on a project to complete an estimate.
Students learn about trigonometry, geometry and measurements while participating in a hands-on …
Students learn about trigonometry, geometry and measurements while participating in a hands-on interaction with LEGO® MINDSTORMS® NXT technology. First they review fundamental geometrical and trigonometric concepts. Then, they estimate the height of various objects by using simple trigonometry. Students measure the height of the objects using the LEGO robot kit, giving them an opportunity to see how sensors and technology can be used to measure things on a larger scale. Students discover that they can use this method to estimate the height of buildings, trees or other tall objects. Finally, students synthesize their knowledge by applying it to solve similar problems. By activity end, students have a better grasp of trigonometry and its everyday applications.
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