Alabama Learning Exchange
Writing Word Equations
High schoolers explore the concept of chemical formulas. In this chemical formula lesson, students watch a video about balancing chemical equations. High schoolers conduct an experiment using silver nitrate and sodium...
Serendip
Understanding and Predicting Changes in Population Size – Exponential and Logistic Population Growth Models vs. Complex Reality
Salmonella poisoning impacts over 200,000 people in the United States each year. Scholars learn about the growth of these bacteria using multiple approaches. Then they apply the same growth calculations to endangered species and think...
Curated OER
Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
Institute for Energy and Environmental Research
Practice with Scientific Notation
Zeroes are more important than they look! A guided practice activity takes learners through the process of both scientific and decimal notation, culminating in more complex word problems and equations.
Curated OER
Lesson- Radial Solution, Hydroggen Wavefunction
Student uses Schrodinger's equation applied to a single electron Hydrogen atom. They use angular and radial portions equation to answer questions. Student use a model to answer equation questions.
Curated OER
Understanding the Bohr Model
In this Bohr model worksheet, students read about Neils Bohr and the model he proposed of the atom. Students answer nine questions about his theory that electrons travel in orbitals and give off energy when they are excited.
Curated OER
Changes in Force, Motion, and Energy
Eighth graders construct various machines and compare the work done by them.