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Discover the most effective and comprehensive online solution for curriculum mastery, high-stakes testing, and assessment in . Our Physical Science (CoS) curriculum and test review is aligned to the most current standards. Request your free trial and see why our users say USATestprep has improved their students' pass rates.

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- Questions 843
- Vocabulary Terms 159
- Performance Tasks 87
- Instructional Videos 49

- (PS-1) Properties and Trends of Elements
- (PS-2) Behavior of Gases
- (PS-3) Chemical Reactions
- (PS-4) Acids and Bases
- (PS-5) Conservation of Matter
- (PS-6) Half-life and Radioactive Decay

- (PS-7) Analyze Motion
- (PS-8) Newton's Laws of Motion
- (PS-9) Momentum
- (PS-10) Series and Parallel Circuits

- (PS-11) Conservation of Energy
- (PS-12) Energy Transformations

- (PS-13) Mathematical Relationships and Waves
- (PS-14) Safety of Electromagnetic Radiation
- (PS-15) Waves Transmit and Capture Information

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