American Chemical Society
Recrystallization Test
Crystallize the answer to the question that has been investigated since the first of four lessons: What is the unknown crystal? Pupils have examined, crushed, and dissolved four samples plus an unknown as an exploration of the properties...
Illustrative Mathematics
Numbers in a Multiplication Table
Identifying patterns is a crucial skill for all mathematicians, young and old. Explore the multiplication table with your class, using patterns and symmetry to teach about square numbers, prime numbers, and the commutative and identity...
Alabama Learning Exchange
The Birth of Rock(s) - Identifying Rock Types
Young scientists investigate types of rocks in this instructional activity. They collaborate to examine groups of rocks, make written descriptions of them, and use websites to help them identify the types of rocks they are.
Curated OER
World War II Holocaust Introduction
Students explore the concept of identity by categorizing themselves based on physical characteristics. In this Holocaust lesson, students discuss the differences between their classmates and separate each other based on petty...
Curated OER
Determining the Age of Fossils
Students examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
Curated OER
Fruity Math
Students solve one step linear equations. In this algebra lesson, students manipulate their variables and numbers to answer each problem. They make sure the equations stay balanced at all times.
Curated OER
Fractals
Students explore the concept of fractals. In this fractal lesson plan, students use applets to explore Koch's Snowflake, Sierpinski's Triangle, and other fractals. Students develop these concepts through exploration and teacher guided...
Curated OER
Separation Before Plastic Recycling
Learners participate in a demonstration to test the different densities of plastics, and suggest a method that plastic waste can be separated and collected.
Curated OER
Penny Moves
Students explore math functions by completing a worksheet in class. In this spatial movement lesson, students utilize a four square grid and a penny to practice moving the coin horizontally, vertically and diagonally as instructed....