Science 2007-2008
Terms
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- Carboniferous + Permian
- Amphibians abundant; large coal swamps; first reptiles; extinction of trilobites and many other marine animals
- Earth's Energy Sources
- 1) the Sun and 2) heat from Earth's interior
- Rock Cycle
- A model illustrating the 3 main rock types and there interrelatedness of Earth Materials and processes
- Revolution
- Motion of one body about another, such as the Earth around the Sun.
- Fossils
- The remains or traces of prehistoric life.
- Characteristics of Minerals
- crystal form, luster (how shiny it is), color, streak, hardness, cleavage, fracture, and specific gravity
- Triassic + Jurassic + Cretaceous
- Dinosaurs dominant; first birds; first flowering plants; extinction of dinosaurs and many other species
- Big Bang Theory
- A theory that the universe was created by a large explosion causing chunks of junk to become our planets, stars, and moons.
- Conduction
- The transfer of heat through matter by molecular activity (by touch).
- Rotation
- Spinning of a body about its axis.
- What is Pluto
- A tiny, dirty, ball of ice
- Global Warming
- A theory that the earth is warming up and that the earth is getting closer to the sun.
- Ozone
- a form of oxygen that combines three oxygen atoms into each molecule
- Tertiary + Quaternary - now
- Humans and Mammals dominate
- Precambrian
- According to theory, it spans about 88% of Earth's geologic history.
- Name the Terrestrial Planets
- Mercury, Venus, Earth, Mars
- Cambrian+ Ordovician
- organisms with shells; trilobites dominant; first fishes
- Name the Jovian Planets
- Jupiter, Saturn, Uranus, Neptune
- transform Plates
- two rub together
- DIVERGENT plates
- two going away from each other
- Silurian + Devonian
- First land plants; fishes dominant; first insect fossils
- Convergent Plates
- Two come together, one stops, one goes downward
- Radiation
- The transfer of heat by electromagnetic waves (in the atmosphere).
- Erosion
- incorporation and transportation of materials by a mobile agent, such as water, wind, or ice
- Convection
- The transfer of heat by mass movement within a substance (like boiling water)
- Plate Tectonics
- A theory stating that the earth is covered with individual plates that interact in various ways depending on the situation, producing most of the natural disasters we commonly face
- Precambrian
- mya-Origin of Earth; first one-celled organisms; first multi-celled organisms