1. Unit 1 - Module 2 - Lesson 2
1.1. Chemical Changes
1.1.1. A chemical change is a change of materials into another, new materials with different properties and one or more than one new substances are formed.
1.2. Chemical Reactions
1.2.1. A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.
1.3. Chemical Equations
1.3.1. A chemical equation is a way to represent a chemical reaction.
1.4. Products
1.4.1. A product is a substance that is present at the end of a chemical reaction.
1.5. Reactants
1.5.1. reactants is The substances which participate in a chemical reaction
1.6. Coefficients
1.6.1. coefficient is a constant term related to the properties of a product.
1.7. Antoine Lavoisier
1.7.1. a meticulous experimenter, revolutionized chemistry.
1.8. Law of conservation of mass
1.8.1. The law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed.
1.9. Atomic Mass
1.9.1. Atomic mass is the total mass of particles of matter in an atom.
2. Unit 1 - Module 2 - Lesson 3
2.1. Chemical Potential Energy
2.1.1. Chemical potential energy is the energy stored in the chemical bonds of a substance.
2.2. Endothermic Reaction
2.2.1. any chemical reaction that absorbs heat from its environment.
2.3. Exothermic Reaction
2.3.1. a reaction in which energy is released in the form of light or heat
2.4. Concentration in reactions
2.4.1. the amount of product received per unit time.
2.5. Law of conservation of energy
2.5.1. energy can neither be created nor destroyed - only converted from one form of energy to another
3. Unit 2 - Module 1 - Lesson 1
3.1. Pangea
3.1.1. the ancient supercontinent, comprising all the present continents joined together, which began to break up about 200 million years ago.
3.2. Continental Drift
3.2.1. the movement of continents resulting from the motion of tectonic plates.
3.3. Rock formation evidence
3.3.1. rock layers with marine shell fossils above rock layers with plant fossils and no shells, indicating a change from land to water over time;
3.4. Glacial features evidence
3.4.1. identified from a combination of morphology and ground verification that generally includes examination of available outcrop.
3.5. Coal Deposit evidence
3.5.1. a sedimentary deposit composed predominantly of carbon that is readily combustible.
3.6. Fossil Evidence
3.6.1. Fossil evidence provides a record of how creatures evolved and how this process can be represented by a 'tree of life', showing that all species are related to each other. Fossils can also be used to date rocks.
3.7. Alfred Wegener
3.7.1. German physicist, meteorologist, and explorer who introduced the theory of continental drift in 1915.
4. Unit 2 - Module 1 - Lesson 2
4.1. Ocean Floor topography
4.1.1. Hear this out loud The topography of the ocean floor is called bathymetry. Bathymetry shows the depth of water in oceans, rivers, and lakes and they are set up very similarly to topographic maps.
4.2. Mid Ocean Ridges
4.2.1. a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling of magma associated with seafloor spreading. An example is the Mid-Atlantic Ridge.
4.3. Ocean trenches
4.3.1. steep depressions in the deepest parts of the ocean
4.4. Isochron Maps
4.4.1. commonly used for interpreting changes in thickness between interpreted horizons
4.5. Seafloor spreading
4.5.1. the formation of new areas of oceanic crust, which occurs through the upwelling of magma at midocean ridges and its subsequent outward movement on either side.
4.6. magma
4.6.1. hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed on cooling.
4.7. lava
4.7.1. molten rock that issues from a volcano or from a fissure in the surface of a planet such as earth or moon
4.8. plate tectonics
4.8.1. a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates which move slowly over the underlying mantle.
5. Unit 2 - Module 1 - Lesson 3
5.1. Convergent Boundary
5.1.1. convergent boundary is when to plates come together
5.2. divergent boundary
5.2.1. A divergent boundary occurs when two tectonic plates move away from each other.
5.3. Transform Boundary
5.3.1. Transform boundaries are places where plates slide sideways past each other.
5.4. Subduction
5.4.1. A geologic process in which one edge of one lithospheric plate is forced below the edge of another.
5.5. Fault
5.5.1. an unattractive or unsatisfactory feature, especially in a piece of work or in a person's character. "my worst fault is impatience"
5.6. Fault Block Mountains
5.6.1. Fault-block mountains are formed by the movement of large crustal blocks when forces in the Earth's crust pull it apart.
5.7. Volcano
5.7.1. a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
5.8. Volcanic Arc
5.8.1. a curving chain of active volcanoes formed above a subduction zone and adjacent to a convergent plate boundary.
5.9. Earthquake
5.9.1. earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth's rocks.
5.10. Fault Zone
5.10.1. An area in which there are several closely spaced faults.
5.11. Landslide
5.11.1. the sliding down of a mass of earth or rock from a mountain or cliff.
5.12. Tsunami
5.12.1. a long high sea wave caused by an earthquake, submarine landslide, or other disturbance
5.13. Impact Crater
5.13.1. An impact crater is formed when an object like an asteroid or meteorite crashes into the surface of a larger solid object like a planet or a moon.
6. Unit 2 - Module 1 - Lesson 5
6.1. Rock
6.1.1. the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans.
6.2. Mineral
6.2.1. a solid inorganic substance of natural occurrence.
6.3. Crystallization
6.3.1. the process of forming crystals.
6.4. Igneous extrusive rock
6.4.1. Extrusive, or volcanic, igneous rock is produced when magma exits and cools above (or very near) the Earth's surface.
6.5. Igneous intrusive rock
6.5.1. Intrusive, or plutonic, igneous rock forms when magma is trapped deep inside the Earth.
6.6. Sedimentary rock
6.6.1. Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms.
6.7. Lithification
6.7.1. LIthification of sediment into sedimentary rocks takes place after the sediment has been deposited and buried.
6.8. Compaction
6.8.1. the exertion of force on something so that it becomes more dense.
6.9. Cementation
6.9.1. the binding together of particles or other things by cement.
6.10. Metamorphic rock
6.10.1. Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form.
7. Unit 3 - Module 1 - Lesson 2
7.1. Hydrothermal deposits
7.1.1. Hydrothermal deposits refer to the accumulation of minerals in fractures and cavities resulting from the circulation of hot waters in the Earth's crust.
7.2. Subduction Zones
7.2.1. Subduction zones are where Earth's tectonic plates dive back into the mantle, at rates of a few to several centimeters per year.
7.3. Distribution of minerals
7.3.1. Distribution of mineral deposits is related to the transportation and release process.
7.4. Soil
7.4.1. the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.
7.5. 5 Factors of soil formation
7.5.1. Scientists attribute soil formation to the following factors: Parent material, climate, biota (organisms), topography and time.
7.6. Formation of Coal
7.6.1. Coal is a type of fossil fuel, formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.
7.7. Formation of Oil and Natural Gas
7.7.1. Fossil fuels are formed from prehistoric organisms decomposed underground over several to tens of millions of years, and are now available for use as energy resources.
7.8. Porosity
7.8.1. the quality or degree of having minute spaces or holes through which liquid or air may pass.
7.9. Permeability
7.9.1. the state or quality of a material or membrane that causes it to allow liquids or gases to pass through it.
7.10. Groundwater
7.10.1. water held underground in the soil or in pores and crevices in rock.
7.11. Groundwater distribution
7.11.1. The water table may be shallow or deep; and may rise or fall depending on many factors. Groundwater is unevenly distributed underground in both quality and quantity.
8. Unit 3 - Module 2 - Lesson 1
8.1. Material
8.1.1. the matter from which a thing is or can be made.
8.2. Natural Material
8.2.1. Natural materials are those that are found in nature and have not been made by humans,
8.3. Synthetic Material
8.3.1. Synthetic materials are made by chemically changing the starting substances to create a material with different characteristics.
8.4. Reactants to Products
8.4.1. The substances which participate in a chemical reaction.
9. Unit 4 - Module 1 - lesson 2
9.1. Photosynthesis
9.1.1. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
9.2. Epidermal leaf cells
9.2.1. This cell layer comprises highly coordinated and specialised cells such as stomata, pavement cells and trichomes.
9.3. Cuticle
9.3.1. an outer covering layer
9.4. Stomata
9.4.1. any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces
9.5. Mesophyll Cells
9.5.1. the inner tissue (parenchyma) of a leaf, containing many chloroplasts.
9.6. Chloroplasts
9.6.1. (in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place.
9.7. Chlorophyll A and B
9.7.1. Chlorophyll A- It is the most abundant type of chlorophyll, which absorbs light rays of wavelengths of 429 nm and 659 nm most effectively. Chlorophyll B- It is a type of accessory pigment responsible for passing on light energy to chlorophyll a. It is found in plants and green algae.
9.8. Light Cycle
9.8.1. Light/dark cycles are oscillations in the light level in a given natural or artificial environment, with a regular periodicity.
9.9. Night Cycle
9.9.1. used to process Automated Clearing House (ACH) transfers (debits and credits) at night—generally between 10:00 p.m. and 1:30 a.m. Eastern Standard Time
9.10. Different sugars
9.10.1. Simple sugars, also called monosaccharides, include glucose, fructose, and galactose
9.11. Cellular Respiration
9.12. Glycolysis
9.13. Mitochondria
9.14. Lactic Acid Fermentation
9.15. Ethanol Alcohol Fermentation
10. Unit 1 - Module 1 - Lesson 1
10.1. Matter
10.2. Solid State
10.3. Liquid State
10.4. Gas State
10.5. Kinetic Energy
10.6. Temperature
10.7. Thermometer
10.8. Kelvin Scale
10.9. Potential Energy
10.10. Thermal Energy
10.11. Atoms
10.12. Substances
10.13. Elements
10.13.1. a part or aspect of something abstract, especially one that is essential or characteristic. "the death had all the elements of a great tabloid story"
10.14. Compound
10.15. Molecule
10.16. Periodic Table of Elements
10.16.1. organized array of all the chemical elements in order of increasing atomic number
10.17. Element Symbols
10.17.1. a one- or two-letter abbreviation for a chemical element name.
10.18. Chemical Formula
10.18.1. a symbolic representation of its chemical composition.
11. Unit 1 - Module 1 - Lesson 2
11.1. Jacques Charles
11.1.1. French physicist Jacques Charles (1746-1823) studied the effect of temperature on the volume of a gas at constant pressure. Charles's Law states that the volume of a given mass of gas varies directly with the absolute temperature of the gas when pressure is kept constant.Aug 8, 2022
11.2. Volume Temperature Law
11.2.1. Charles (1746–1823)—states that, at constant pressure, the volume V of a gas is directly proportional to its absolute (Kelvin) temperature T, or V/T = k.
11.3. Thermal Contraction
11.4. Thermal expansion
11.5. Systems
11.6. Heating
11.6.1. equipment or devices used to provide heat, especially to a building. "baseboard heating"
11.7. Pressure
11.7.1. continuous physical force exerted on or against an object by something in contact with it.
11.8. Phase Change
11.8.1. when matter changes to from one state (solid, liquid, gas, plasma) to another.
11.9. Melting
11.9.1. ecoming liquefied by heat. "the film will feature a car chase across a melting glacier"
11.10. Freezing
11.10.1. below 32°F (0°C)
11.11. Condensation
11.11.1. water which collects as droplets on a cold surface when humid air is in contact with it. "the inside of the cab steamed up with condensation"
11.12. Vaporization
11.12.1. conversion of a substance from the liquid or solid phase into the gaseous (vapour) phase.
11.13. Boiling vs. Evaporation
11.13.1. To summarize, evaporation is slower, occurs only from the surface of the liquid, does not produce bubbles, and leads to cooling. Boiling is faster, can occur throughout the liquid, produces lots of bubbles, and does not result in cooling.
12. Unit 1 - Module 1 - Lesson 3
12.1. Robert Boyle
12.1.1. Natural philosopher and chemist
12.2. Boyles Law - Pressure and Volume
12.2.1. under constant temperature, the pressure of a specific quantity of gas is inversely proportional to its volume.
12.3. Boyles Law - Number of particles
12.3.1. Boyle's law holds true only if the number of molecules (n) and the temperature (T) are both constant.
12.4. Boyles Law - Pressure and States of matter
12.4.1. If volume increases, then pressure decreases and vice versa, when the temperature is held constant.
13. Unit 1 - Module 1 - Lesson 4
13.1. Molecules
13.1.1. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
13.2. Nonmetal Gases
13.2.1. hydrogen, helium, nitrogen, oxygen, fluorine, neon, chlorine, argon, krypton, xenon and radon
13.3. Nonmetal Solids
13.3.1. carbon and sulfur
13.4. Metals
13.4.1. any of various substances (as gold, tin, or copper) that have a more or less shiny appearance, are good conductors of electricity and heat, can be melted, and are usually capable of being shaped. especially : one that is a chemical element rather than an alloy.
13.4.2. 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
13.5. Ionic Compounds
13.5.1. compounds made up of ions that form charged particles when an atom (or group of atoms) gains or loses electrons.
13.6. Covalent Compounds
13.6.1. Covalent bonds form when two or more nonmetals combine
13.7. Polar Covalent Compounds
13.7.1. two atoms share a pair of electrons unequally because of differences in their electro-negativities
13.8. Nonpolar Covalent Compounds
13.8.1. Covalent compounds in which there is no electronegativity difference
13.9. Dissolving
13.9.1. with reference to a solid) become or cause to become incorporated into a liquid so as to form a solution.
14. Unit 1 - Module 2 - Lesson 1
14.1. Qualitative Characteristics
14.1.1. Qualitative characteristics are the attributes that make financial information useful to users.
14.2. Quantitative Characteristics
14.2.1. A quantitative trait is a measurable phenotype that depends on the cumulative actions of many genes and the environment.
14.3. Mass
14.3.1. Mass is a dimensionless quantity representing the amount of matter in a particle or object.
14.4. Weight
14.4.1. The force with which an object near the Earth or another celestial body is attracted toward the center of the body by gravity.
14.5. Volume
14.5.1. Volume is the quantity of three-dimensional space occupied by a liquid, solid, or gas.
14.6. Density
14.6.1. Density is the measurement of how tightly a material is packed together.
14.7. Chemical Properties
14.7.1. chemical property is a specific characteristic of a substance like an element or a compound, relating to how it can change as a result of a reaction.
14.8. Flammability
14.8.1. Flammability is a measure of how quickly a specific material is capable of catching fire and burning.
14.9. Oxidation
14.9.1. Oxidation is a chemical change that involves the transfer of electrons or oxygen among atoms.
14.10. Reactivity
14.10.1. Reactivity is the ability of matter to combine chemically with other substances.
14.11. Solubility
14.11.1. Solubility is the maximum concentration of a solute that can dissolve in a solvent at a given temperature.
15. Unit 2 - Module 1 - Lesson 4
15.1. Physical Weathering
15.1.1. the process that breaks rocks apart without changing their chemical composition.
15.2. Frost Wedging
15.2.1. the mechanical disintegration, splitting or break-up of rock by the pressure of water freezing in cracks, crevices, pores, joints or bedding planes
15.3. Plant Action
15.3.1. Definitions of action plant. prostrate or semi-erect subshrub of tropical America, and Australia heavily armed with recurved thorns and having sensitive soft grey-green leaflets that fold and droop at night or when touched or cooled.
15.4. Abrasion
15.4.1. the process of scraping or wearing something away.
15.5. Wind Abrasion
15.5.1. Abrasion is the process of erosion produced by the suspended particles that impact on solid objects.
15.6. Water Abrasion
15.6.1. Abrasion in a stream or river channel occurs when the sediment carried by a river scours the bed and banks, contributing significantly to erosion.
15.7. Glacial Abrasion
15.7.1. Glacial abrasion is the surface wear achieved by individual clasts, or rocks of various sizes, contained within ice or by subglacial sediment as the glacier slides over bedrock.
15.8. Chemical Weathering
15.8.1. Chemical weathering involves the interaction of rock with mineral solutions (chemicals) to change the composition of rocks.
15.9. Oxidation
15.9.1. Oxidation is a process in which a chemical substance changes because of the addition of oxygen.
15.10. Hydrolysis
15.10.1. a process of breaking down a chemical compound that involves splitting a bond and adding the elements of water to the resulting molecular fragments.
15.11. Carbonation
15.11.1. Carbonation is the chemical reaction of carbon dioxide to give carbonates, bicarbonates, and carbonic acid.
15.12. Erosion
15.12.1. the process of eroding or being eroded by wind, water, or other natural agents.the problem of soil esosion
15.13. Deposition
15.13.1. the action of deposing someone, especially a monarch.
15.14. Small Scale Erosion
15.14.1. Erosion is the process where rocks are broken down by natural forces such as wind or water.
15.15. Surface runoff
15.15.1. Surface runoff is precipitation that runs off the landscape.
15.16. Coastal Erosion
15.16.1. Coastal erosion is the process by which local sea level rise, strong wave action, and coastal flooding wear down or carry away rocks, soils, and/or sands along the coast.
15.17. Large Scale Erosion
15.17.1. The Fish River Canyon, in southern Namibia, is the largest canyon in Africa and a product of valley erosion
15.18. Mass Wasting
15.18.1. Mass wasting is the movement of rock and soil down slope under the influence of gravity.
15.19. Glacial Movement
15.19.1. Glacial motion is the motion of glaciers, which can be likened to rivers of ice.
16. Unit 3 - Module 1 - Lesson 1
16.1. Natural resource
16.1.1. Natural resources are materials from the Earth that are used to support life and meet people's needs.
16.2. Ores
16.2.1. a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
16.3. Renewable Resources
16.3.1. Any resource, such as wood or solar energy, that can or will be replenished naturally in the course of time.
16.4. Nonrenewable resources
16.4.1. Nonrenewable energy comes from sources that will run out or will not be replenished in our lifetimes
17. Unit 3 - Module 1 - Lesson 3
17.1. Mining
17.1.1. the process or industry of obtaining coal or other minerals from a mine.
17.2. Dwindling Deposits
17.2.1. to gradually become less, smaller, or lower in level
17.3. Mineral Supplies
17.3.1. A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties.
17.4. Fossil fuel extraction
17.4.1. There are two main methods for removing fossil fuels from the ground mining and drilling.
17.5. Groundwater overdraft
17.5.1. Groundwater overdraft occurs when groundwater use exceeds the amount of recharge into an aquifer, which leads to a decline in groundwater level.
18. Unit 3 - Module 2 - Lesson 2
18.1. Natural Resource Availability
18.1.1. the function of the supply and demand of resources that are discovered, developed, processed, distributed and consumed in intricate value chains.
18.2. Synthetic Material Production
18.2.1. Synthetic materials are made by chemically changing the starting substances to create a material with different characteristics.
18.3. Individual and Societal impacts
18.3.1. social impact is how organizations, businesses or individuals' actions affect the surrounding community.
18.4. By-products
18.4.1. an incidental or secondary product made in the manufacture or synthesis of something else.