In this demo, two circuits are constructed to enable comparison of the brightness of a light bulb placed in a circuit with one cell and the brightness of the same light bulb in a circuit with three cells connected in series. In Next Steps the potential differences of the two circuits are compared.
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Teacher Demonstration: Plant Tropisms
Categories: Lab/Student Activity, Teacher Demonstration
This student activity illustrates how plants grow away from or towards a stimulus by continuing cell growth and elongation on one side of the stem while ceasing cell growth and elongation on the... read more
Unraveling the Earth
Categories: Lab/Student Activity, Lesson Plan, Unit Plan
This unit focuses on students' approach to earth elements (sand, soil, rocks, minerals, and fossils) with various materials. Teachers can observe students with earth elements and manipulatives to... read more
BUILD A WATER DESALINATION SYSTEM
Categories: Lab/Student Activity, Lesson Plan, Unit Plan
This project is designed to take place over the course of 6-10 weeks (which can be modified to suit your schedule). It is divided into 5 parts, each due on separate days. read more