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Skills available for Virginia 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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LS.1 The student will demonstrate an understanding of scientific reasoning, logic, and the nature of science by planning and conducting investigations in which

LS.2 The student will investigate and understand that all living things are composed of cells.

LS.3 The student will investigate and understand that living things show patterns of cellular organization.

LS.4 The student will investigate and understand how organisms can be classified. Key concepts include

  • a the distinguishing characteristics of domains of organisms;

  • b the distinguishing characteristics of kingdoms of organisms;

  • c the distinguishing characteristics of major animal phyla and plant divisions; and

  • d the characteristics that define a species.

LS.5 The student will investigate and understand the basic physical and chemical processes of photosynthesis and its importance to plant and animal life.

  • a energy transfer between sunlight and chlorophyll;

  • b transformation of water and carbon dioxide into sugar and oxygen; and

  • c photosynthesis as the foundation of virtually all food webs.

LS.6 The student will investigate and understand that organisms within an ecosystem are dependent on one another and on nonliving components of the environment.

LS.7 The student will investigate and understand that interactions exist among members of a population.

LS.8 The student will investigate and understand interactions among populations in a biological community.

LS.9 The student will investigate and understand how organisms adapt to biotic and abiotic factors in an ecosystem.

LS.10 The student will investigate and understand that ecosystems, communities, populations, and organisms are dynamic, change over time, and respond to daily, seasonal, and long-term changes in their environment.

LS.11 The student will investigate and understand the relationships between ecosystem dynamics and human activity.

  • a food production and harvest;

  • b change in habitat size, quality, or structure;

  • c change in species competition;

  • d population disturbances and factors that threaten or enhance species survival; and

  • e environmental issues.

LS.12 The student will investigate and understand that organisms reproduce and transmit genetic information to new generations.

LS.13 The student will investigate and understand that populations of organisms change over time.