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Skills available for Oklahoma seventh-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 and Its Interactions

Motion and Stability: Forces and Interactions

  • MS-PS2-4 Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects.


  • MS-PS3-6 Construct, use, and present arguments to support the claim that when the kinetic energy of an object changes, energy is transferred to or from the object.

From Molecules to Organisms: Structure and Processes

Heredity: Inheritance and Variation of Traits

Biological Unity and Diversity

Earth's Place in the Universe

  • MS-ESS1-1 Develop and use a model of the Earth-sun-moon system to describe the cyclic patterns of lunar phases, eclipses of the sun and moon, and seasons.

  • MS-ESS1-2 Develop and use a model to describe the role of gravity in the motions within galaxies and the solar system.

  • MS-ESS1-3 Analyze and interpret data to determine scale properties of objects in the solar system.

Earth's Systems

  • MS-ESS2-5 Collect data to provide evidence for how the motions and complex interactions of air masses results in changes in weather conditions.

  • MS-ESS2-6 Develop and use a model to describe how unequal heating and rotation of the Earth causes patterns of atmospheric and oceanic circulation that determine regional climates.