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Welcome to Subject Area Forces Motion Energy Work, Power, & Simple Machines 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Heat Forces 100 • Answer A push or a pull Forces 100 • Question What is force? Forces 200 • Answer A force that works against the direction of motion Forces 200 • Question What is friction? Forces 300 • Answer This force creates weight by acting on a mass. Forces 300 • Question What is gravity? Forces 400 • Answer The total amount of this stays the same in a collision (unless outside forces act). Forces 400 • Question • What is momentum? Forces 500 • Answer The law that states all matter has this force and it depends on how far apart the objects are. Forces 500 • Question What is the law of universal gravitation? Motion 100 • Answer How speed is calculated. Motion 100 • Question What is v = d / t ? Motion 200 • Answer The law that explains that in order for you to sit in your chair, there must be a force equal and opposite to your weight. Motion 200 • Question What is Newton’s third law? Motion 300 • Answer Inertia explains this law. Motion 300 • Question What is Newton’s First law (an object in motion stays in motion; an object at rest stays at rest)? Motion 400 • Answer This law helps explain that if two objects in free fall have different masses they will accelerate equally but the one with greater mass will have more force when it hits. Motion 400 • Question What is Newton’s Second Law (Force = mass x acceleration)? Motion 500 • Answer The acceleration of a bus that was at a complete stop is now moving at 100 m/s and took 5 seconds to do so. Motion 500 • Question What is 20 m/s/s? Energy 100 • Answer Stored energy Energy 100 • Question What is potential energy? Energy 200 • Answer Released energy or energy in motion. Energy 200 • Question What is kinetic? Energy 300 • Answer The point on the diagram with greatest potential energy. Energy 300 • Question What is Point A (or E)? Energy 400 • Answer The point with the greatest kinetic energy. Energy 400 • Question What is point C? Energy 500 • Answer The point on the diagram where potential and kinetic energy are approximately equal. Energy 500 • Question What is point B or D? Work, Power, and Simple Machines 100 • Answer The force on an object multiplied by its distance. Work, Power, and Simple Machines 100 • Question What is work? Work, Power, and Simple Machines 200 • Answer The amount of work done in a certain amount of time. Work, Power, and Simple Machines 200 • Question What is power? Work, Power, and Simple Machines 300 • Answer The number of times a machine multiplies the effort force. Work, Power, and Simple Machines 300 • Question What is mechanical advantage? Work, Power, and Simple Machines 400 • Answer A student who walks up the stairs does more work than a student who runs up the stairs. Work, Power, and Simple Machines 400 • Question What is false (they both do the same work)? Work, Power, and Simple Machines 500 • Answer The pulley system that gives the most mechanical advantage. Work, Power, and Simple Machines 500 • Question What is pulley “E”? Heat 100 • Answer Moving molecules make up this type of energy. Heat • Question 100 What is heat (thermal energy)? Heat 200 • Answer Heat always transfers in this direction. Heat 200 • Question What is from areas of faster (“warmer”) to areas of slower (“colder”) moving molecules? Heat 300 • Answer The type of heat transfer described as fast molecules bumping into slower ones to transfer their energy; works best in solids. Heat • Question 300 • What is conduction? Heat • Answer 400 The type of heat transfer from circulating gases and liquids due to changes in density. Heat • Question 400 What is convection? Heat 500 • Answer The physical change in the state of matter due to increased or decreased kinetic energy. Heat 500 • Question What is a phase change? Double Jeopardy Atoms & Elements Chemistry Electricity and Magnetism Mixtures & solutions Waves & EM spectrum 200 200 200 200 200 400 400 400 400 400 600 600 600 600 600 800 800 800 800 800 1000 1000 1000 1000 1000 Final Jeopardy Atoms and elements 200 • Answer The charges are positive, negative, and neutral. Atoms and elements 200 • Question What are the charges on protons, electrons, and neutrons? Atoms and elements 400 • Answer The number of protons in an element. Atoms and elements 400 • Question What is the atomic number? Atoms and elements 600 • Answer The mass of an element is made up of these. Atoms and elements 600 • Question What are the protons and neutrons? Atoms and elements 800 • Answer The families of elements all have the same number of these. Atoms and elements 800 • Question • What are valence electrons? Atoms and elements 1000 • Answer The family of elements that is the most reactive of nonmetals. Atoms and elements 1000 • Question What are the halogens (group 17)? Chemistry 200 • Answer Properties such as hardness, texture, density and boiling point. Chemistry 200 • Question What are physical properties ? Chemistry 400 • Answer Properties that describe characteristics such as noble gases being unable to react with other elements. Chemistry 400 • Question What are chemical properties? Chemistry 600 • Answer The particles that are involved in chemical bonding. Chemistry 600 • Question What are the valence electrons? Chemistry 800 • Answer The only sure sign of a chemical reaction. Chemistry 800 • Question What is a new substance is formed? Chemistry 1000 • Answer The mass of reactants equals the mass of products. Chemistry 1000 • Question What is the law of conservation of mass (matter)? Electricity and Magnetism 200 • Answer Continuous path for electron flow. Electricity and Magnetism 200 • Question What is a circuit? Electricity and Magnetism 400 • Answer Materials that allow electrons to flow easily. Electricity and Magnetism 400 • Question What is a conductor? Electricity and Magnetism 600 • Answer Electricity that is a build up of charges. Electricity and Magnetism 600 • Question What is static electricity? Electricity and Magnetism 800 • Answer The group of atoms that line up to create magnetic force. Electricity and Magnetism 800 • Question What is a magnetic domain? Electricity and Magnetism 1000 • Answer Device that converts chemical energy to electrical energy. Electricity and Magnetism 1000 • Question What is a battery? • Answer Mixtures and solutions 200 In a solution, this is the substance that does the dissolving. Mixtures and solutions 200 • Question What is a solvent? • Answer Mixtures and solutions 400 This is a solution which can dissolve more solute. Mixtures and solutions 400 • Question What is an unsaturated solution? • Answer Mixtures and solutions 600 This is the amount of solute that will dissolve in 100 cm3 of solvent at a given temperature. Mixtures and solutions 600 • Question What is solubility? • Answer Mixtures and solutions 800 This describes a solution which has a high amount of dissolved solute. • Question Mixtures and solutions 800 What is a concentrated solution? • Answer Mixtures and solutions 1000 This is a mixture in which the materials are NOT evenly mixed. Mixtures and solutions 1000 • Question What is a heterogeneous mixture? • Answer Waves and EM spectrum 200 The visible spectrum. Waves and EM spectrum 200 • Question What is ROYGBIV? • Answer Waves and EM spectrum 400 This is electromagnetic “heat” traveling in waves. Waves and EM spectrum 400 • Question What is Infrared? • Answer Waves and EM spectrum 600 This is a wave which has an amplitude perpendicular to the direction that it travels. Waves and EM spectrum 600 • Question What is a Transverse Wave? • Answer Waves and EM spectrum 800 The bending of a wave caused by a change in speed . Waves and EM spectrum 800 • Question What is refraction? • Answer Waves and EM spectrum 1000 As frequency increases, _________ decreases. Waves and EM spectrum 1000 • Question What is wavelength? Final Jeopardy • Answer The result of the circuit if there is a break in the wire at the “X”. Final Jeopardy • Question What is both bulb 2 and 3 will go out?