Curated OER
ESL: Journalism Article Comprehension
In this ESL comprehension worksheet, students read a passage, then complete a variety of warm-up and pre/post reading activities. Homework suggestions are included.
Curated OER
Converting Metric Units and Prefixes
Students investigate the length of various objects. In this measurement lesson, students convert one metric unit to another. They explain the importance of a uniform system of measurement.
Exploratorium
Exploratorium: Science Snacks: Conductivity Meter
Create a conductivity meter with everyday materials in this activity. This conductivity meter is portable and allows students to test the conductivity of liquids easily.
TeachEngineering
Teach Engineering: What's the Conductivity of Gatorade?
Students use conductivity meters to measure various salt and water solutions, as indicated by the number of LEDs (light emitting diodes) that illuminate on the meter. Students create calibration curves using known amounts of table salt...
TeachEngineering
Teach Engineering: Should I Drink That?
Students perform the first steps that environmental engineers do to determine water quality - sampling and analysis. Student teams measure the electrical conductivity of four water samples using teacher-made LED conductivity testers and...