This is a lesson about the science supporting the design and operation of an ion propulsion engine. Learners will study the concepts of formation and discharge of charged particles, attractive and repulsive forces between charged particles, and the... (View More) properties of ions in the plasma phase. The lesson may or may not be completed on-line. This is activity 2 of 5 in Structure and Properties of Matter: Ion Propulsion. (View Less)

This is a lesson about the path of one xenon ion through an ion propulsion engine. Learners will focus on what a single xenon ion sees and does as it goes through the reactions and processes that provide the ion jet propulsion engine's thrust. They... (View More) will learn to adopt an informed, experimental method for use in a later lesson. A tightly-scripted slide-by-slide presentation is provided. Preconceptions are discussed. This is activity 4 of 5 in Structure and Properties of Matter: Ion Propulsion. (View Less)

This is a set of lessons about the Moon. Learners will focus on answering the essential question: What are the challenges engineers and scientists are working to solve as NASA prepares to send humans to live and work on the Moon for extended periods... (View More) of time? In order to understand the challenges NASA faces in returning humans to the Moon, and how these challenges can be overcome, learner groups will brainstorm the challenges of going back to the Moon. They will read what the experts have to say about these challenges, discuss their value and relevancy, debate the importance of the challenges, debrief as a class, and identify the most difficult challenges for returning humans to the Moon to live and work for extended periods of time. They will use skills in reading, interpretation, communication, and processing to interpret information, make inferences, and draw conclusions. (View Less)

This is a lesson about the characteristics of ice as a mineral and how it compares to other minerals with respect to hardness. Learners will observe ice crystals, develop a hardness scale and position ice on it. Learners will also practice working... (View More) collaboratively in a team. Activities include small group miming, speaking, drawing, and/or writing. This is lesson 3 of 12 in the unit, Exploring Ice in the Solar System. (View Less)

In this lesson, students are introduced to atoms, molecules, and elements. Learners will build constructions out of different types of building materials as a metaphor for atoms and molecules. They interpret different symbolic representations for... (View More) molecules and kinesthetically model the bonding of different atoms into molecules. The lesson models scientific inquiry using the 5E instructional model and includes teacher notes, prerequisite concepts, common misconceptions, student journal and reading. This is the second lesson in the Astro-Venture Atmospheric Science Training Unit. The purpose of the unit is to increase students’ awareness of and interest in astrobiology and the many career opportunities that utilize science, math and technology skills. The lessons are designed for educators to use in conjunction with the Astro-Venture multimedia modules. (View Less)