This is a task neutral proficiency scale for MS-ESS1-1. Resources used to make this: NGSS.NSTA.org, Appendix E from the NextGenScience site and the actual performance expectations. This scale was created through collaboration with four middle school teachers. Note: Proficiency scales assume learning progression.
This is a 30 minute lesson where students will be able to:
1. Describe the size, composition, and motion of meteors and comets.
2. Discuss the similarities and differences in comets and meteors.
a. what happens to meteors as they fall through the atmosphere
b. why comet debris is observed as a meteor shower from the Earth
c. how the planet's gravitational forces affect a comet's orbit.
d. why we see a comet's tail.
e. why a comet disintegrates when it gets close to the sun.