These lessons teach students how to read and balance chemical equations. These lessons assume zero prior knowledge from the student. Through the extensive use of pictures, scaffolding, and examples, students are brought from not being able to read a chemical equation at all to being able to balance an equation without assistance in the course of two days.
This is the course of the two lessons:
1.Students are shown what the coefficients, letters, and subscripts in a chemical equation each mean
2. Students practice stating how many atoms and molecules are in a chemical equation by reading the coefficients and subscripts
3. Students practice assigning names to pictures of molecules by using subscripts correctly
4. Students write the correct coefficients and subscripts into a chemical equation from pictures of molecules
5. Students write a whole chemical equation from pictures of molecules
6. Students draw pictures of molecules from chemical equations
1. Students learn about the law of conservation of mass
2. Students finish pictures of molecules in order to balance chemical equations. (The pictures have one of each molecule, students need to add molecules to each side if the equation is unbalanced.)
3. Students double check to see if their pictures are correct by filling in an atomic balancing chart
4. Students fill in the correct coefficients and subscripts into a chemical equation using the picture they created
5. Students repeat steps 2 and 3, but this time they have to write the chemical equation on their own, without scaffolding
6. Students balance equations without pictures to help them. They are encouraged to draw pictures on their own using the chemical names to help them.
7. Students balance equations with no assistance.
Zip file contains: 1.Powerpoint 2.PDF, to guarantee formatting and for easy printing, 3.Word document, to make it easier to edit.
Document is 100% my original material, except for some images that are readily available on google image search.
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