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H LThe document discusses planets and orbits. It lists the order of planets from the sun as Mercury, Venus, Earth, Mars, the Asteroids, Jupiter, Saturn, Uranus, and Neptune. Planets orbit the sun due to gravity, which weakens with increased distance from the sun. Orbits have an elliptical shape defined by terms like foci and axes. Eccentricity describes how circular or elongated an ellipse is, ranging from 0 for a circle to 1 for a straight line. The document provides an example of calculating eccentricity using the distance between foci and length of the major axis.
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Sedimentary rocks form through the compaction and cementation of sediments. There are three main types: clastic rocks like shale and sandstone form from fragments of pre-existing rocks; chemical rocks like rock salt form through precipitation from solution; and organic rocks like coal form from the remains of plants and animals. Clastic rocks specifically form through the weathering of parent rocks, transportation of fragments by wind/water, deposition, and cementation as minerals fill the spaces between fragments.
Ap5
The document discusses the anatomy and physiology of the heart. It outlines the four valves of the heart, the conduction system including the sinoatrial node, atrioventricular node, bundle of His and Purkinje fibers. It also lists the three layers of the heart - epicardium, myocardium, and endocardium. Additionally, it defines ions as atoms or molecules with unequal numbers of protons and electrons, giving them an electrical charge, and lists some common ions in the body like hydrogen, calcium, potassium and sodium ions. Finally, it states that depolarization occurs when the inside of a cell becomes less electronegative, or less negatively charged.
Es9
Metamorphic rocks are rocks that have been modified by heat, pressure, and chemical processes usually deep within the Earth. Common types of metamorphic rocks include slate, shale, gneiss, granite, marble, limestone, quartzite, and sandstone. Large areas of rock undergo intense heat and pressure from friction as moving layers add heat, causing changes in the rocks like the formation of parallel mineral layers through foliation. Contact metamorphism also occurs when hot magma forces its way into overlying rock and reacts with its minerals. The rock cycle involves igneous rocks forming from magma and weathering into sediments, then becoming sedimentary rocks that are buried and undergo metamorphism before
Es11
Stars are formed from dust and gas drawn together by gravity. As a protostar, increasing heat from compression leads to hydrogen fusion, forming a main sequence star. Over time, a star runs out of hydrogen fuel in its core and swells into a red giant. From there, a dying star will either cool into a white and then black dwarf, or for larger stars, explode as a supernova, throwing material containing heavier elements formed during its life into space. What remains is either a neutron star or, for the largest stars, a black hole.
Es10
The document discusses two key pieces of evidence that support the Big Bang theory: 1) Light from distant galaxies is redshifted, suggesting the galaxies are moving away from Earth as the universe expands; 2) There is uniform microwave radiation throughout the universe, which is believed to be leftover radiation from the explosive initial expansion of the universe according to the Big Bang theory.
Es8
Sedimentary rocks can be clastic, chemical, or organic in origin. Chemical sedimentary rocks like limestone form through precipitation of minerals from water. Limestone forms from calcite grains or is organic in origin from shell and coral remains. It can be identified using an acid test due to its calcite content. Fossils of plants and animals can be found preserved in the rock's mineral structure within sedimentary rocks.
Es7
The document discusses three main types of sedimentary rocks: clastic rocks, chemical rocks, and organic rocks. Clastic rocks like shale, sandstone, and conglomerate form from fragments of pre-existing rocks. Chemical rocks such as rock salt and limestone form via precipitation from solution. Organic rocks including coal form from the remains of plants and animals. The key processes involved in forming clastic sedimentary rocks are weathering of source rocks, transport of fragments by wind/water, deposition, and cementation by minerals like silica.
Chem3
This document discusses the three physical states of matter: solid, liquid, and gas. It explains that the state depends on particle arrangement and motion. Solids have fixed shapes from tightly packed particles that vibrate in place. Liquids have changing shapes from particles that can move past each other while remaining attracted. Gases have changing volumes and shapes from particles that spread out and exert pressure. Temperature affects gas properties, with increased heat speeding particles and expanding volume while decreased heat has the opposite effect. Examples of state changes in water are provided.
Ap4
The document discusses the anatomy of the heart including its valves and electrical system. It also mentions an electrocardiogram (EKG) and a coronary angiogram video. The heart's valves regulate blood flow through the heart while its electrical system controls the heartbeat. Imaging tests like EKGs and angiograms provide information about heart function and blood flow.
Ap3
The document summarizes cardiovascular anatomy and physiology. It describes the heart as a four-chambered pump with two circuits - pulmonary and systemic. Blood moves through arteries, arterioles, capillary beds, venules and veins. The heart walls have three layers - epicardium, myocardium, and endocardium. The heart has four chambers - right and left atria receive blood while right and left ventricles pump blood out. The document also discusses the coronary arteries that supply blood to the heart muscle.
Es6
The document discusses several common igneous rock types including granite, basalt, obsidian, rhyolite, gabbro, diorite, and porphyritic rocks. Granite is an intrusive igneous rock that forms deep underground from slowly cooling silica-rich magma and contains quartz, feldspar and biotite. Basalt is an extrusive igneous rock that forms from rapidly cooling lava at the surface, such as on Hawaii, and weathers to a reddish-brown color. Porphyritic rocks have two distinct textures with large crystals embedded in a fine-grained matrix.
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Es12
- 2. Objective: to be able to calculate eccentricity of orbits
- 3. Order of planets My Very Excellent Mother Just Served Us Noodles Mercury, Venus, Earth, Mars,(Asteroids) Jupiter, Saturn, Uranus, Neptune
- 4. Gravity Planets orbit around the sun due to gravity Gravity weakens with increased distance (think magnetism)
- 5. Ellipse The shape of orbits.
- 7. Terms to know FOCI MAJOR AXIS MINOR AXIS
- 9. Eccentricity Eccentricity: shape of an ellipse. 0 = circle 1 = straight line (bigger the #, more squashed the ellipse)
- 11. Eccentricity = distance b/t foci/length of major axis E = D/L
- 12. E=D/L
- 13. E= D/L Distance between foci = 152 – 147 = 5 (million) km Length of major axis = 147 + 152 (million) km = 299 million km E = D/L = 5/299 = .017
- 14. Problem #1
- 15. Problem 2
- 16.
- 17.
- 18.