Question | Answer |
A trace of an ancient organism that has been preserved in rock | fossil |
The name givent to the four outer planets: Jupiter, Saturn, Uranus and Neptune | gas giants |
A type of rock that forms from the cooling or molten rock at or below the surface | igneous rock |
Not formed from living things or the remains of living things | inorganic |
The blocking of sunlight to the moon that occurs when EArth is directly between the sun and moon | Lunar Eclipse |
A type of rock that forms from an existing rock that is changed by hear, pressure or chemical reactions | metamorphic rock |
The gas that gives Uranus and Neptune their blue green color | methane |
The undersea mountain chain where new ocean floor is produced; a divergent plate boundary | mid-ocean ridge |
A naturally occuring, inorganic solid that has a crystal structure and a definite chemical compostion | mineral |
The name of the single landmass that broke apart 200 million years ago and gave rise to today's continents | Pangaea |
One of the different shapes of the moon as seen from earth | Phase |
A section of the lithosphere that slowly moves over the asthenosphere, carriying pieces of continental and oceanic crust | plate |
The theory that pieces of Earth's lithosphere are in constant motion, driven by convection currents in the mantle | plate tectonics |
The spining motions of a planet from east to west, opposite to the direction of rotation of most planets and moons | retrograde rotation |
A series of processes on the surface and inside EArth that slowly change rocks from one kind to another | rock cycle |
A well-tested concept that explains a wide range of observations | scientific theory |
The process by which molten material adds new oceanic crust to the ocean floor | sea-floor spreading |
Small, solid pieces of material that comes from rocks or organisms | sediment |
A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together | sedimentary rock |
Mixture of tiny rock pieces, decaying plants and animals, mineral, water and air | Soil |
The blocking of sunlight to EArth that occurs when the moos is between the sun and Earth | Solar Eclipse |
Something with a definite volume and shape | Solid |
A mixture in which one substance is dissolved in another | solution |
The process by wich oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary | subduction |
The name given to the four inner planets: Mercury, VEnus, Earth and Mars. | terrestrial planets |
Increase in soil nutrients, formation of new landforms, and hot springs are benefits of what natural force | Volcanic eruptions |