Resources for Chapter 1 and 2
Basic Atomic Structure Video
JJ Thomson's Cathode Ray Experiment
Behavior of Cathode Rays
Millikin's OIl drop Experiment
Rutherford's Gold Foil Experiment
Overview of the Periodic Table Video
Ch 2 terms
Ch 2 Atoms
Handouts/WorksheetsDefinitions of matter and sig fig reviewprecision accuracy
Study guide for Chapter 1 and 2 AP Lab reports
All Rockford Public Schools will be closed on Wednesday, Jan. 23, because of the severe weather.
RPS 205 Administrators are monitoring the weather and will make a decision in the morning whether to cancel school on Wednesday, Jan. 23.
All after-school activities in Rockford Public Schools are canceled today because of anticipated severe weather and poor road conditions.
Students who live in any RPS 205 attendance zone are welcome to complete an application.
Parents/guardians of children who will be 5 on or before Sept. 1 can visit the Welcome Center, 501 7th St., to enroll.
501 7th St., Rockford, IL 61104
M-F 8 a.m. - 4:30 p.m.
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