This OER discusses matter, elements, compounds, atoms, and the subatomic particles succinctly. It would be most effective if used as a supplement to a text, another website, some type of multimedia, and/or as a review on the subject. There are additional links and resources to support advance instructions and learning. The idea that students are able to work independently to improve their learning is an advantage to using this OER as an augmentation. It contains an assessment with hidden answers, which supports a check for mastery; it also requires some critical thinking skills.

This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"All living things need phosphorus to survive. However, its low availability in soil is often a limiting factor for plant and microbial growth. Microorganisms in the plant root-soil interface (rhizosphere) can convert non-labile phosphorus into bioavailable forms. One way microbes do this is the mineralization of organic phosphorus compounds like phytate. Rising atmospheric CO₂ levels may accelerate mineralization, but the molecular mechanisms are not yet understood. Recent research confirmed that elevated CO₂ (eCO₂) increased the mineralization of phytate in the rhizosphere of wheat. Tracing the carbon flow showed that plants grown under eCO₂ increased the release of bioavailable carbon belowground, which corresponded to increased microbial growth and altered community composition. The bacterial community under eCO₂ favored groups of bacteria capable of degrading aromatic phosphorus compounds and the mycorrhizal fungi benefited from the increased supply of phosphorus and carbon..."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

Most orbiting bodies follow a path that is an ellipse. In this activity, students construct 2 ellipses, and examine and measure them to determine some of their fundamental properties. The exercise helps learners make comparisons to planetary orbit eccentricities, and includes guidelines for constructing a scale model of Haley's comet.

This Module teaches how to convert mass % to empirical formula, how to identify empirical and molecular formulas, and how to calculate molar mass of a compound.

This resource is for English Language Learners or English Learners to help them visualize new vocabulary to increase depth of learning.

This inquiry-based lab will allow students to investigate endothermic and exothermic processes with everyday materials and predict the outcome of experiment based on their findings.

This activity is a lab investigation where students collect data concerning and endothermic and exothermic reaction.

Students use Google Earth to analyze oil consumption per capita in the US and around the world. Students then use spreadsheets to create graphs and calculate statistics regarding per capita energy use among various categories.

This activity is a learning game in which student teams are each assigned a different energy source. Working cooperatively, students use their reading, brainstorming, and organizational skills to hide the identity of their team's energy source while trying to guess which energy sources the other teams represent.

In this activity, students explore what types of energy resources exist in their state by examining a state map and data from the Energy Information Administration. Students identify the different energy sources in their state, including the state's renewable energy potential.

The students participate in many demonstrations during the first day of this lesson to learn basic concepts related to the forms and states of energy. This knowledge is then applied the second day as they assess various everyday objects to determine what forms of energy are transformed to accomplish the object's intended task. The students use block diagrams to illustrate the form and state of energy flowing into and out of the process.

This video is a segment from the Switch Energy Project focusing on energy security. Switch Energy Project is a multi-pronged effort designed to build a balanced national understanding of energy.

This visualization includes a series of flow charts showing the relative size of primary energy resources and end uses in the United States for the years 2008-2012.

This brief instructor-facilitated activity asks students to observe a simple demonstration, record their observations, and apply their knowledge to other conditions. It was written by Johnathan Hugh Broome from University of Southern Mississippi.

In this lesson designed to enhance literacy skills, students examine energy forms in moving objects and discover how changes from one form to another move cars through a roller coaster ride.

On NOVA, a team of carpenters, timber framers, engineers, and historians recreate a medieval throwing machine called a trebuchet. This adapted video segment explores how understanding energy transfer informs their design.

This lab is designed to help students understand the nanoscale effect of various energy inputs on the crystal lattice of a smart material, Nitinol. 

An activity focusing on black carbon. This activity explores the impacts of the use of black carbon generating wood, dung, and charcoal for fuel in developing countries.

This activity introduces students to different forms of energy, energy transformations, energy storage, and the flow of energy through systems. Students learn that most energy can be traced back to nuclear fusion on the sun.

This course is a prerequisite course for Engineering
Target Audience: This course is intended for Engineering Students.
Learning outcomes:
• Students will be able to demonstrate electrochemical Cells.
• Explain the types of corrosion