When the absorbents (three types of Be aware of any participants who may be animal hair)... allergic to cats and or dogs. When disposing of mixtures (density ONLY the teacher is to properly dispose of investigation and absorbents experiment) and used materials. solutions (dishwashing soap investigation)...
When the absorbents (three types of animal hair)... Be aware of any participants who may be allergic to cats and or dogs. When disposing of mixtures (density investigation and absorbents experiment) and solutions (dishwashing soap investigation)... ONLY the teacher is to properly dispose of used materials.
smith-pbl-1-final.docx