9th Grade Physical Science Core Labs

Links:

Purpose:
Use nuts and bolts to model various combinations of atoms, determine percent composition of compounds, and determine chemical formulas.

Summary:
Students will find the masses of individual "atoms," and determine empirical and molecular formulas.

Objectives Links:
4: Chemical Reactions

Process Skills Checklist

Materials:

• one set of nuts and bolts
• balance
• calculator

Safety Concerns:
Standard operating procedures apply.

Revision Date:
August 2006