welcome to subject area 300 500 400 100 energy 200 300 400 500 100 200 100 400 300 500 200 300 400...
TRANSCRIPT
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Welcome to
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Subject AreaSubject Area
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Work, Power,&
Simple Machines
Work, Power,&
Simple MachinesHeatHeatMotionMotionForcesForces
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Forces100
• Answer -
A push or a pull
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Forces 100
• Question
What is force?
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Forces 200
• Answer
A force that works against the direction of motion
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Forces 200
• Question
What is friction?
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Forces 300
• Answer
This force creates weight by acting on a mass.
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Forces 300
• Question
What is gravity?
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Forces 400
• Answer
The total amount of this stays the same in a collision (unless
outside forces act).
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Forces 400
• Question
• What is momentum?
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Forces 500
• Answer
The law that states all matter has this force and it depends on how far apart the objects
are.
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Forces 500
• Question
What is the law of universal gravitation?
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Motion 100
• Answer
How speed is calculated.
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Motion 100
• Question
What is v = d / t ?
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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.
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Motion 200
• Question
What is Newton’s third law?
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Motion 300
• Answer
Inertia explains this law.
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Motion 300
• Question
What is Newton’s First law (an object in motion stays in
motion; an object at rest stays at rest)?
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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.
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Motion 400
• Question
What is Newton’s Second Law (Force = mass x acceleration)?
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Motion500
• 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.
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Motion500
• Question
What is 20 m/s/s?
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Energy 100
• Answer
Stored energy
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Energy100
• Question
What is potential energy?
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Energy 200
• Answer
Released energy or energy in motion.
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Energy 200
• Question
What is kinetic?
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Energy 300
• Answer
The point on the diagram with
greatest potential energy.
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Energy 300
• Question
What is Point A (or E)?
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Energy 400
• Answer
The point with the greatest
kinetic energy.
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Energy 400
• Question
What is point C?
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Energy 500
• Answer
The point on the diagram where potential and
kinetic energy are approximately
equal.
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Energy 500
• Question
What is point B or D?
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Work, Power, and Simple Machines 100
• Answer
The force on an object multiplied by its distance.
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Work, Power, and Simple Machines
100• Question
What is work?
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Work, Power, and Simple Machines
200• Answer
The amount of work done in a certain amount of time.
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Work, Power, and Simple Machines
200• Question
What is power?
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Work, Power, and Simple Machines
300• Answer
The number of times a machine multiplies the effort force.
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Work, Power, and Simple Machines
300• Question
What is mechanical advantage?
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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.
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Work, Power, and Simple Machines
400• Question
What is false (they both do the same
work)?
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Work, Power, and Simple Machines
500• Answer
The pulley system that
gives the most mechanical advantage.
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Work, Power, and Simple Machines
500• Question
What is pulley “E”?
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Heat 100
• Answer
Moving molecules make up this type of energy.
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Heat
100• Question
What is heat (thermal energy)?
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Heat200
• Answer
Heat always transfers in this direction.
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Heat
200• Question
What is from areas of faster (“warmer”) to areas of slower (“colder”) moving molecules?
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Heat
300• Answer
The type of heat transfer described as fast molecules bumping into slower ones to
transfer their energy; works best in solids.
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Heat
300• Question
• What is conduction?
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Heat
400• Answer
The type of heat transfer from circulating gases and liquids due to changes in density.
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Heat
400• Question
What is convection?
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Heat500
• Answer
The physical change in the state of matter due to increased or
decreased kinetic energy.
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Heat500
• Question
What is a phase change?
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Double JeopardyDouble Jeopardy
Final Jeopardy
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Electricity and Magnetism
Electricity and Magnetism
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Mixtures &solutions
Mixtures &solutions
Waves &EM spectrum
Waves &EM spectrumChemistryChemistryAtoms &
ElementsAtoms & Elements
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Atoms and elements200
• Answer -
The charges are positive, negative, and neutral.
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Atoms and elements200
• Question
What are the charges on protons, electrons, and neutrons?
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Atoms and elements400
• Answer
The number of protons in an element.
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Atoms and elements400
• Question
What is the atomic number?
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Atoms and elements600
• Answer
The mass of an element is made up of these.
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Atoms and elements600
• Question
What are the protons and neutrons?
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Atoms and elements800
• Answer
The families of elements all have the same number of these.
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Atoms and elements800
• Question
• What are valence electrons?
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Atoms and elements1000
• Answer
The family of elements that is the most reactive of
nonmetals.
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Atoms and elements1000
• Question
What are the halogens (group 17)?
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Chemistry200
• Answer
Properties such as hardness, texture, density and boiling
point.
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Chemistry200
• Question
What are physical properties ?
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Chemistry400
• Answer
Properties that describe characteristics such as noble
gases being unable to react with other elements.
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Chemistry400
• Question
What are chemical properties?
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Chemistry600
• Answer
The particles that are involved in chemical bonding.
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Chemistry600
• Question
What are the valence electrons?
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Chemistry800
• Answer
The only sure sign of a chemical reaction.
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Chemistry800
• Question
What is a new substance is formed?
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Chemistry1000
• Answer
The mass of reactants equals the mass of products.
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Chemistry1000
• Question
What is the law of conservation of mass (matter)?
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Electricity and Magnetism200
• Answer
Continuous path for electron flow.
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Electricity and Magnetism200
• Question
What is a circuit?
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Electricity and Magnetism400
• Answer
Materials that allow electrons to flow easily.
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Electricity and Magnetism400
• Question
What is a conductor?
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Electricity and Magnetism600
• Answer
Electricity that is a build up of charges.
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Electricity and Magnetism600
• Question
What is static electricity?
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Electricity and Magnetism800
• Answer
The group of atoms that line up to create magnetic force.
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Electricity and Magnetism 800
• Question
What is a magnetic domain?
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Electricity and Magnetism1000
• Answer
Device that converts
chemical energy to electrical
energy.
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Electricity and Magnetism1000
• Question
What is a battery?
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Mixtures andsolutions
200• Answer
In a solution, this is the substance that does the dissolving.
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Mixtures andsolutions
200• Question
What is a solvent?
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Mixtures andsolutions
400• Answer
This is a solution which can dissolve more solute.
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Mixtures andsolutions
400• Question
What is an unsaturated solution?
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Mixtures andsolutions
600• AnswerThis is the amount of solute that will dissolve
in 100 cm3 of solvent at a given temperature.
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Mixtures andsolutions
600• Question
What is solubility?
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Mixtures andsolutions
800• Answer
This describes a solution which has a high amount of dissolved solute.
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Mixtures andsolutions
800• Question
What is a concentrated solution?
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Mixtures andsolutions
1000• Answer
This is a mixture in which the materials are NOT evenly mixed.
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Mixtures andsolutions
1000• Question
What is a heterogeneous mixture?
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Waves andEM spectrum
200• Answer
The visible spectrum.
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Waves andEM spectrum
200• Question
What is ROYGBIV?
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Waves andEM spectrum
400• Answer
This is electromagnetic “heat” traveling in waves.
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Waves andEM spectrum
400• Question
What is Infrared?
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Waves andEM spectrum
600• Answer
This is a wave which has an amplitude perpendicular to the direction that it travels.
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Waves andEM spectrum
600• Question
What is a Transverse Wave?
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Waves andEM spectrum
800• Answer
The bending of a wave caused by a change in
speed .
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Waves andEM spectrum
800• Question
What is refraction?
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Waves andEM spectrum
1000• Answer
As frequency increases, _________ decreases.
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Waves andEM spectrum
1000• Question
What is wavelength?
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Final Jeopardy
• AnswerThe result of the circuit if there is a break in the wire at the “X”.
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Final Jeopardy
• Question
What is both bulb 2 and 3 will go out?