Subject Area - 3:
Science and Technology and Engineering Education
- Standard Area - 3.2: Physical Sciences: Chemistry and Physics
- Organizing Category - 3.2.A: Chemistry
- Grade Level - 3.2.8.A: GRADE 8
Standard - 3.2.8.A6
- Compare and contrast scientific theories.
- Know that both direct and indirect observations are used by scientists to study the natural world and universe.
- Identify questions and concepts that guide scientific investigations.
- Formulate and revise explanations and models using logic and evidence.
- Recognize and analyze alternative explanations and models.
- Explain the importance of accuracy and precision in making valid measurements.
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Assessment Anchor - S8.C.1
Structure, Properties, and Interaction of Matter and Energy
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Anchor Descriptor - S8.C.1.1
Explain concepts about the structure and properties (physical and chemical) of matter.
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Eligible Content - S8.C.1.1.1
Explain the differences among elements, compounds, and mixtures.