Welcome to Subject Area 300 500 400 100 Energy 200 300 400 500 100 200 100 400 300 500 200 300 400...

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Welcome to

Transcript of Welcome to Subject Area 300 500 400 100 Energy 200 300 400 500 100 200 100 400 300 500 200 300 400...

Page 1: Welcome to Subject Area 300 500 400 100 Energy 200 300 400 500 100 200 100 400 300 500 200 300 400 500 100 200 300 400 500 100 200 Work, Power, & Simple.

Welcome to

Page 2: Welcome to Subject Area 300 500 400 100 Energy 200 300 400 500 100 200 100 400 300 500 200 300 400 500 100 200 300 400 500 100 200 Work, Power, & Simple.

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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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Mixtures &solutions

Mixtures &solutions

Waves &EM spectrum

Waves &EM spectrumChemistryChemistryAtoms &

ElementsAtoms & Elements

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Atoms and elements200

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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?