This product is a lab activity and CER writing all in one. It is used to help students understand the concept of relative density. Students create a column of different colored solutions of saltwater and then use their data to write a scientific explanation using claim, evidence, and reasoning. The claim, evidence, reasoning method of writing an argument in science has been proven to increase student achievement and understanding.
Have you hear of CER but you’re not sure how to use it? This product has everything you need to complete a successful CER activity and writing. Do your students know how to write a CER already? This product has what you need too!
Three options for CER writing:
Beginner group or partner oriented
Individual option with student choices for CER
Template for students to write their own
Two options for the lab activity:
Student or teacher created saltwater solutions
Two options for format:
Interactive Notebook Size
Full Page Format
There are directions and suggestions for scaffolding CER writing in the classroom, no matter what level your students are ready to do.
If you have never taught the CER method of writing and your students have never tried it, I would suggest you check out my introduction to CER product. It takes students through the process with two familiar examples.
Introduction to CER