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Skills available for North Carolina eighth-grade science standards

Standards are in black and IXL science skills are in dark green. Hold your mouse over the name of a skill to view a sample question. Click on the name of a skill to practice that skill.

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Matter: Properties and Change

Energy: Conservation and Transfer

  • NCES.8.P.2 Explain the environmental implications associated with the various methods of obtaining, managing, and using energy resources.

    • NCES.8.P.2.1 Explain the environmental consequences of the various methods of obtaining, transforming and distributing energy.

    • NCES.8.P.2.2 Explain the implications of the depletion of renewable and nonrenewable energy resources and the importance of conservation.

Earth Systems, Structures and Processes

  • NCES.8.E.1 Understand the hydrosphere and the impact of humans on local systems and the effects of the hydrosphere on humans.

    • NCES.8.E.1.1 Explain the structure of the hydrosphere including:

    • NCES.8.E.1.2 Summarize evidence that Earth's oceans are a reservoir of nutrients, minerals, dissolved gases, and life forms:

    • NCES.8.E.1.3 Predict the safety and potability of water supplies in North Carolina based on physical and biological factors, including:

      • Temperature

      • Dissolved oxygen

      • pH

      • Nitrates and phosphates

      • Turbidity

      • Bio-indicators

    • NCES.8.E.1.4 Conclude that the good health of humans requires:

      • Monitoring of the hydrosphere

      • Water quality standards

      • Methods of water treatment

      • Maintaining safe water quality

      • Stewardship

Earth History

  • NCES.8.E.2 Understand the history of Earth and its life forms based on evidence of change recorded in fossil records and landforms.

    • NCES.8.E.2.1 Infer the age of Earth and relative age of rocks and fossils from index fossils and ordering of rock layers (relative dating and radioactive dating).

    • NCES.8.E.2.2 Explain the use of fossils, ice cores, composition of sedimentary rocks, faults, and igneous rock formations found in rock layers as evidence of the history of the Earth and its changing life forms.

Structures and Functions of Living Organisms

  • NCES.8.L.1 Understand the hazards caused by agents of diseases that effect living organisms.

    • NCES.8.L.1.1 Summarize the basic characteristics of viruses, bacteria, fungi and parasites relating to the spread, treatment and prevention of disease.

    • NCES.8.L.1.2 Explain the difference between epidemic and pandemic as it relates to the spread, treatment and prevention of disease.

  • NCES.8.L.2 Understand how biotechnology is used to affect living organisms.

    • NCES.8.L.2.1 Summarize aspects of biotechnology including:

      • Specific genetic information available

      • Careers

      • Economic benefits to North Carolina

      • Ethical issues

      • Implications for agriculture


Evolution and Genetics

  • NCES.8.L.4 Understand the evolution of organisms and landforms based on evidence, theories and processes that impact the Earth over time.

Molecular Biology

  • NCES.8.L.5 Understand the composition of various substances as it relates to their ability to serve as a source of energy and building materials for growth and repair of organisms.

    • NCES.8.L.5.1 Summarize how food provides the energy and the molecules required for building materials, growth and survival of all organisms (to include plants).

    • NCES.8.L.5.2 Explain the relationship among a healthy diet, exercise, and the general health of the body (emphasis on the relationship between respiration and digestion).