# Texas Grade 8 Science STAAR Practice

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 Matter and Energy - Readiness 11% Matter and Energy - Supporting 15% Force, Motion and Energy - Readiness 6% Force, Motion and Energy - Supporting 16% Earth and Space - Readiness 9% Earth and Space - Supporting 17% Organisms and Environments - Readiness 6% Organisms and Environments - Supporting 20%
• Questions: 2,700
• Technology Enhanced Items: 264
• Instructional Videos: 130
• Vocabulary Terms: 534

### Test Standards

 Matter and Energy - Readiness 1. (8.5A)  Atom Structure 2. (8.5B)  Protons & Valence Electrons 3. (8.5C)  Periodic Table Arrangement 4. (8.5D)  Chemical Formulas 5. (8.5E)  Chemical Reaction Evidence Matter and Energy - Supporting 1. (8.5F)  Balanced Chemical Equation 2. (7.5C)  Energy Flow 3. (7.6A)  Organic Compounds 4. (7.6B)  Digestive System Changes 5. (6.5C)  Elements And Compounds 6. (6.6A)  Metals And Nonmetals 7. (6.6B)  Density Force, Motion and Energy - Readiness 1. (112.20.b.6.A)  Unbalanced Forces 2. (112.20.b.6.C)  Newton's Law Of Inertia Force, Motion and Energy - Supporting 1. (112.20.b.6.B)  Speed, Velocity, & Acceleration 2. (112.19.b.7.A)  Contrast Work Situations 3. (112.18.b.8.A)  Potential And Kinetic 4. (112.18.b.8.C)  Calculate Average Speed 5. (112.18.b.8.D)  Measure Motion Changes 6. (112.18.b.9.C)  Demonstrate Energy Transformations Earth and Space - Readiness 1. (112.20.b.7.A)  Earth Rotation 2. (112.20.b.7.B)  Lunar Cycle Events 3. (112.20.b.9.b)  Relate Plate Tectonics 4. (112.20.b.8.A)  Universe Components 5. (112.20.b.9.C)  Interpret Topographic Maps Earth and Space - Supporting 1. (112.20.b.7.C)  Ocean Tides 2. (112.20.b.10.c)  Oceans Role 3. (112.20.b.8.B)  Medium-sized Star 4. (112.20.b.8.C)  Electromagnetic Spectrum 5. (112.20.b.8.D)  Light Years 6. (112.20.b.9.A)  Plate Tectonic Theory 7. (112.20.b.10.A)  Convection 8. (112.20.b.10.B)  Weather 9. (112.19.b.8.C)  Human Activity Effects Water 10. (112.18.b.11.B)  Gravity Organisms and Environments - Readiness 1. (112.20.b.11.a)  Food Web 2. (112.20.b.11.b)  Biotic & Abiotic Factors 3. (112.20.b.11.c)  Environmental Changes Organisms and Environments - Supporting 1. (112.20.b.11.d)  Ocean Systems 2. (112.19.b.10.B)  Biodiversity Sustains Ecosystem 3. (112.19.b.10.C)  Ecological Role 4. (112.19.b.11.A)  Examine Organisms 5. (112.19.b.11.C)  Genetic Trait Changes 6. (112.19.b.12.B)  Human Organism Functions 7. (112.19.b.12.D)  Plant & Animal Cell Organelles 8. (112.19.b.12.F)  Cell Theory 9. (112.19.b.14.B)  Uniform Or Diverse Offspring 10. (112.19.b.14.C)  Inherited Traits 11. (112.18.b.12.D)  Organism Characteristics