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Space Rocks
Little chunks of rock and debris in space are called meteoroids. They become meteors -- or shooting stars -- when they fall through a planet's atmosphere; leaving a bright trail as they are heated to incandescence by the friction of the atmosphere. Pieces that survive the journey and hit the ground are called meteorites.

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  Videos Activities

Active Accretion
Topic: Formation of the Solar System
Body: Our Solar System, Asteroids, Meteors & Meteorites
Mission: Dawn (Dwarf Planets)

Short Description: Students act as dust grains that come together to model early planet formation by the process of accretion in our solar system.


Changes Inside Planets (Differentiation and Breakup)
Topic: Formation of the Solar System
Grade Level: 5-8
Body: Our Solar System, Mercury, Venus, Earth, Mars, Asteroids, Meteors & Meteorites
Mission: Dawn (Dwarf Planets)

Short Description: Students conduct experiments to model the separation of light and heavy materials within a planetary body using gelatin. In a second activity, students model the break-up of a differentiated body using frozen hard-boiled eggs.


Cosmic Chemistry: Planetary Diversity
Topic: Evolving Worlds: Planets, Like People, Grow and Change Over Time, Formation of the Solar System
Grade Level: 9-12
Body: Our Solar System, Mercury, Venus, Earth, Mars, Asteroids, Meteors & Meteorites, Jupiter, Saturn, Uranus, Neptune, Dwarf Planets
Mission: Dawn (Dwarf Planets), InSight (Mars)

Short Description: The goal of this module is to acquaint students with the planets of the solar system and some current models for their origin and evolution. During the explorations of the Cosmic Chemistry: Planetary Diversity module, students will make decisions concerning possible patterns or groupings of the physical and chemical compositions of internal structures and atmospheres of planets. Through classroom activities, they will be encouraged to examine some contemporary models proposed to explain the origin and evolution of the planets. In the final assessment activity students will use these experiences to predict the properties of the the missing planet that could have formed in the asteroid belt.


Exploring Meteorite Mysteries: Lesson 10-Building Blocks of Planets
Topic: Formation of the Solar System
Grade Level: 5-8
Body: Our Solar System, Asteroids, Meteors & Meteorites

Short Description: In Activity A students will observe and describe chondrite meteorites. In Activity B they will experiment with balloons and static electricity to illustrate the theories about how dust particles collected into larger clusters. In Activity C students will manipulate magnetic marbles and steel balls to dramatically illustrate the accretion of chondritic material into larger bodies like planets and asteroids.

Active Accretion
Topic: Formation of the Solar System
Body: Our Solar System, Asteroids, Meteors & Meteorites
Mission: Dawn (Dwarf Planets)

Short Description: Students act as dust grains that come together to model early planet formation by the process of accretion in our solar system.


Changes Inside Planets (Differentiation and Breakup)
Topic: Formation of the Solar System
Grade Level: 5-8
Body: Our Solar System, Mercury, Venus, Earth, Mars, Asteroids, Meteors & Meteorites
Mission: Dawn (Dwarf Planets)

Short Description: Students conduct experiments to model the separation of light and heavy materials within a planetary body using gelatin. In a second activity, students model the break-up of a differentiated body using frozen hard-boiled eggs.


Cosmic Chemistry: Planetary Diversity
Topic: Evolving Worlds: Planets, Like People, Grow and Change Over Time, Formation of the Solar System
Grade Level: 9-12
Body: Our Solar System, Mercury, Venus, Earth, Mars, Asteroids, Meteors & Meteorites, Jupiter, Saturn, Uranus, Neptune, Dwarf Planets
Mission: Dawn (Dwarf Planets), InSight (Mars)

Short Description: The goal of this module is to acquaint students with the planets of the solar system and some current models for their origin and evolution. During the explorations of the Cosmic Chemistry: Planetary Diversity module, students will make decisions concerning possible patterns or groupings of the physical and chemical compositions of internal structures and atmospheres of planets. Through classroom activities, they will be encouraged to examine some contemporary models proposed to explain the origin and evolution of the planets. In the final assessment activity students will use these experiences to predict the properties of the the missing planet that could have formed in the asteroid belt.


Exploring Meteorite Mysteries: Lesson 10-Building Blocks of Planets
Topic: Formation of the Solar System
Grade Level: 5-8
Body: Our Solar System, Asteroids, Meteors & Meteorites

Short Description: In Activity A students will observe and describe chondrite meteorites. In Activity B they will experiment with balloons and static electricity to illustrate the theories about how dust particles collected into larger clusters. In Activity C students will manipulate magnetic marbles and steel balls to dramatically illustrate the accretion of chondritic material into larger bodies like planets and asteroids.