Alien Periodic Table
Period: a horizontal row of elements on the periodic table.
Group: elements in the same vertical column of the periodic table; also called a family.
Diatomic Molecule: consists of two atoms, such as O2
The students will be able to…
- Classify elements based on their properties.
- Interpret data on the properties of elements.
- Infer the position of the elements on the periodic table.
- Sort items according to like characteristics.
Lesson Essential Question(s)
How do scientists identify and sort materials?
1 – 84 minute class period
Suggested Instructional Strategies
W = The students will know where they are headed in the lesson through the use of a daily agenda on the board. The unit big ideas will be posted so that students know why they are doing the activities of the day.
H = The students’ interest will be hooked immediately at the beginning of the lesson through the hands-on sorting activity that each individual must complete. The lesson will hold the interest of the students by discussing aliens in the lab lesson.
E = Students will be provided real experiences of giving rationale for their sorting of items at the beginning of the lesson. Students will be equipped with notes that will help them place elements on the alien periodic table. They will experience a similar decision-making process to that of real scientists when categorizing elements.
R = Students will revisit and revise their categorizing theories at the beginning of the lesson through discussion. Students will get to work together to rethink element choices that may not match the criteria of the group in which they were placed. Students will reflect on the experiences of the lesson at the end through whole group discussion.
E = Students will express their understandings of the lesson through their answers to the question at the end of the lab and through discussion/reflection at the end of the activity.
T = The instruction will be tailored to different learners by providing experiences that accommodate different multiple intelligences, such as: tactile, kinesthetic, audio, visual, and naturalist.
O = The learning experience is organized so that students proceed from concrete individual sorting activities, to group discussion and reflection, to whole group note-taking and discussion, to group demonstration of knowledge, and finally to reflection.
Students will enter the classroom and a box of random objects will be placed at each table. The box will include: checkers (both black and red), marbles, colored paper circles, various game tokens, and beads. (Any of these materials can be substituted out for other materials. The assortment of materials will not change the activity.) Students will be asked to individually reflect in their science notebook on the following questions:
Students will be asked to rejoin their tablemates (groups of 4) and each person at the table should discuss their answers to the independent activity above. Students should identify other students who rationalized their groups similarly and differently. Students should also discuss how they might do the activity differently if they were working as a group. The groups will share answers in a brief class discussion.
Whole Class, Mini Lesson
Students will review the text reading from the previous lesson on element groups and periods. Students will put the following notes into their science notebooks.
The Carbon Family (Group 14):
The Nitrogen Family (Group 15):
The Oxygen Family (Group 16):
The Halogen Family (Group 17):
The Noble Gases (Group 18):
Independent Activity, Small Group Activity
Students will work in table groups (of four students) to use their notes and knowledge of the periodic table of elements to complete the lab titled “The Alien Periodic Table.” They will complete the lab by following the steps below.
Whole Class Discussion, Reflection
Students will correct their chart by comparing it to the Promethean Board answer key.
Using the “random reporter” technique, the teacher will discuss the activity, any problems placing elements, and the questions at the end of the activity with the class group as a whole.
Students will engage in formative assessments in the following ways:
- Teacher observation
- Group discussion
- Visual understanding indicators like “thumbs up and thumbs down”
- “Random Reporter” reflection/discussion
- Observed rationale for element placement during lab
Related Materials & Resources
Prentice Hall Science Explorer Series ©2007 – “Chemical Building Blocks”