Mississippi Science E.5.8A

Science5th GradeEarth and Space Science

Standard Cluster

Students will demonstrate an understanding of the locations of objects in the universe. Develop and use scaled models of Earth’s solar system to demonstrate the size, composition (i.e., rock or gas), location, and order of the planets as they orbit the Sun. Use evidence to argue why the sun appears brighter than other stars. Describe how constellations appear to move from Earth’s perspective throughout the seasons (e.g., Ursa Major, Ursa Minor, and Orion). Construct scientific arguments to support claims about the importance of astronomy in navigation and exploration, including the use of telescopes, compasses, and star charts.

2026 Mississippi College- and Career-Readiness Standards for Science · Earth and the Universe

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E.5.8A is a cluster heading. These are the individual standards under it.

Teacher's field guide

What This Cluster Means

What Students Need to Do

Students build scale models that show planet order, relative sizes, and distances from the Sun. They identify rocky and gas-rich planets and explain why the Sun looks brighter than other stars. They describe seasonal changes in visible constellations and how sky-watching tools help with navigation and exploration.

What Mastery Looks Like

A student places all eight planets in order and uses separate scales for planet size and distance. They explain that the Sun looks brighter because it is much closer than other stars. They use Earth's orbit to explain why Orion is visible in winter evenings but not summer evenings.

Common Misconceptions

Students may space planets evenly or assume every planet is rocky. They may think the Sun looks brightest because it is the biggest star. Some think constellations move around Earth when their seasonal appearance changes.

How to Assess It

Exit ticket: Name the planets in order from the Sun, label Earth and Jupiter as rocky or gas-rich, and explain why the Sun looks brighter than the stars in Orion.

Lesson moves

Ways to Teach It

  1. Use a school hallway tape measure for planet distances, then cut paper circles on a separate size scale and sort them as rocky or gas-rich.

  2. Show Orion on winter and summer evening star charts; ask, 'Why is Orion visible in winter but not summer?'

  3. Give pairs planet cards with names, sizes, and materials; have them race to order the planets and check against a solar system chart.

  4. On a printed ship route, use a compass and Polaris star chart to set a heading, then explain how telescopes help explorers spot distant objects.

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