Curated OER
Americas Idols
Students engage in a lesson that is concerned with the concept of American Idol and the controversy that surrounds the broadcast. They conduct research using a variety of resources and write paragraphs that state opinions about the...
Curated OER
How popular is your favorite site?
Students gather data for the project for the entire year. They plot their data, try to fit a equation to their data, and speculate on why the data shows the pattern it does and project its future growth.
Curated OER
Timing the Tides
Students collect data and describe how and why the high and low tides change from day to day. In exploring tides lesson students study tides by taking notes, recording data and analyzing their findings.
Curated OER
Develop a Bird Feeder Watch List
Students explore biology by identifying animals on their school ground. In this bird species lesson, students create and utilize a simple bird feeder to attract birds near their classroom at which point they observe the color, size and...
Curated OER
Precalculus: Unit 3 Test 2
In this Pre-calculus worksheet, students solve advanced logarithmic and exponential equations. The seven page worksheet contains thirty-two problems. Answers are not provided.
Curated OER
Is That Icebox Green?
Seventh graders create a timeline of the development of electrical appliances. In this physics lesson, 7th graders explore energy consumption over the past 90 years. They create a poster about their chosen electrical device detailing its...
Curated OER
Integrated Pest Management
Students investigate the different methods used in integrated pest management. In this biology lesson, students evaluate experiments and case studies on IPM. They discuss the pros and cons of using this method.
Curated OER
Biotechnology
Students introduced to the genre of science fiction and the theme of biotechnology within that genre.
Curated OER
Flame Test
Students conduct a flame test on different substances. For this chemistry lesson, students predict the element present based on the color emitted during the flame test. They explain how different elements produce different colors.
CK-12 Foundation
Ck 12: Periodic Trends
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will use the Periodic Table to identify and explain periodic trends, including atomic and ionic radii, electronegativity,...
Web Elements
Web Elements Periodic Table: Electronegativity
Chart of Pauling electronegativity values versus atomic number. Colorful, pictorial explanation of this periodic trend.
Science Education Resource Center at Carleton College
Serc: Periodic Trend Game: Learning to Predict Elements Using Periodic Trends
An activity to introduce the periodic table and the trends. Students will understand the organization of the periodic table with this game.
Other
University of South Carolina: Periodic Trends
PowerPoint presentation that describes sizes of atoms in terms of isoelectric series as well as periodic trends. Includes information about sizes of ions and allows you to practice some problems on your own. Go to the index to choose...
Sophia Learning
Sophia: Periodic Trends: Atomic Radius: Lesson 3
This lesson will explain how the atomic radius changes over representative elements across rows and up and down columns on the periodic table. It is 3 of 3 in the series titled "Periodic Trends: Atomic Radius."
Sophia Learning
Sophia: Periodic Trends: Ionization Energy: Lesson 3
This lesson will explain how the ionization energy changes over representative elements across rows and up and down columns on the periodic table. It is 3 of 3 in the series titled "Periodic Trends: Ionization Energy."
Sophia Learning
Sophia: Periodic Trends: Atomic Radius: Lesson 2
This lesson will explain how the atomic radius changes over representative elements across rows and up and down columns on the periodic table. It is 2 of 3 in the series titled "Periodic Trends: Atomic Radius."
CK-12 Foundation
Ck 12: Chemistry: Periodic Trends: Atomic Radius
[Free Registration/Login may be required to access all resource tools.] Defines atomic radius and explains trends in atomic radius.
CK-12 Foundation
Ck 12: Chemistry: Periodic Trends: Ionization Energy
[Free Registration/Login may be required to access all resource tools.] Explains ionization energy, trends in ionization energy, and electron shielding.
CK-12 Foundation
Ck 12: Chemistry: Periodic Trends: Electronegativity
[Free Registration/Login may be required to access all resource tools.] Defines electronegativity and explains trends in electronegativity.
CK-12 Foundation
Ck 12: Chemistry: Periodic Trends: Atomic Radius
[Free Registration/Login may be required to access all resource tools.] Defines atomic radius and explains trends in atomic radius.
CK-12 Foundation
Ck 12: Chemistry: Periodic Trends: Electronegativity
[Free Registration/Login may be required to access all resource tools.] Covers electronegativity definition and trends in electronegativity.
CK-12 Foundation
Ck 12: Chemistry: Periodic Trends: Ionization Energy
[Free Registration/Login may be required to access all resource tools.] Explains ionization energy, trends in ionization energy, and electron shielding.
Frostburg State University
General Chemistry Online: The Periodic Table
This is a teacher's companion guide with lesson plans for the periodic table. It includes learning objectives, lecture notes, links to related sites, answers to frequently asked questions, and a glossary of related terms.
Michael Blaber, PhD
Florida State Univ.: Periodic Properties of the Elements: Ionization Energy
Exceptional article from the Florida State University that will take you from start to finish. This article will answer all your questions about ionization energy as both a concept and trend.
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