Key Vocabulary Terms © Copyright NewPath Learning. All Rights Reserved. 94-4585 Visit www.newpathlearning.com for Online Learning Resources. Photos courtesy of NASA. accretion the process by which dust particles collide, stick together and form larger particles asteroid a rocky body that circles the Sun in an area between Mars and Jupiter astronomical unit the average distance from the Sun to Earth, approximately 150,000,000 kilometers chromosphere the middle layer of the Sun’s atmosphere comet a small body composed of rock, dust and ice, that orbits the Sun; it has a long tail of ice particles convective zone the Sun’s layer near its surface in which hot gases rise, cool and then descend back into the Sun corona the Sun’s outer atmosphere that extends for millions of kilometers beyond the Sun gas giants the four outer planets (Jupiter, Saturn, Uranus & Neptune) that ar e composed predominantly of hydrogen & helium meteoroid a small rocky body that orbits the Sun, originating from an asteroid photosphere the surface of the Sun that we are able to see radiative zone the inner layer of the Sun between the Sun’s core and the convective zone solar flare enormous “storms” of fire on the Sun’s surface caused by the Sun’s magnetic field sunspot dark, cooler areas on the Sun’s surface that result from the Sun’s magnetic field affecting the convection of heat terrestrial planets the four rocky inner planets closest to the Sun; Mercury, Venus, Earth and Mars
Key Vocabulary Terms Mapping a Term Define it! Use it in a sentence! Draw it! Provide examples! ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ © Copyright NewPath Learning. All Rights Reserved. 94-4585 Visit www.newpathlearning.com for Online Learning Resources. Term __________________________________________________________