Section 1

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What do step up Transformers do?

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Last updated

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Date created

Mar 14, 2020

Cards (112)

Section 1

(50 cards)

What do step up Transformers do?

Front

They increase voltage

Back

What is direct current?

Front

Electrons flow in one direction

Back

What is work Output?

Front

Work used to overcome the force and the machine works against

Back

How are you charged for electricity?

Front

Sold in KWH=one 100w light for 10 hours or 100w bulbs for an hour

Back

What is kinetic energy?

Front

It is the energy an object has due to it's motion if its not moving

Back

The thinner the wire?

Front

There is more resistance

Back

What is thermal energy?

Front

Internal motion of atoms. They faster they move the more energy they have.

Back

What charge does a Neutron have and where is it located?

Front

Neutral, Nucleus

Back

What is electric Power?

Front

Rate at which eletric energy is converted into other from if energy

Back

Electron

Front

Negative, cloud/shell

Back

What is Ohm's law?

Front

Describes the relationship between Current(I), Voltage(V), and resistance(R)

Back

What is a Parallel circuit?

Front

Parts of a circuit are on a separate branches

Back

What is potential energy?

Front

Energy stored in any object because of its position

Back

What is voltage?

Front

Electric potential difference between 2 points

Back

What is current direction?

Front

Direction of the current depends on which way the magnetic or wire moves

Back

What is machine efficiency?

Front

Compares work output to work input

Back

What is a frequency?

Front

The number of waves that pass a point per second

Back

What is Alternating Current?

Front

Electrons flow one way, then the opposite way then back the other way ect

Back

What is resistance a measure of?

Front

It is a measurement of how difficult it is for electrons to flow through material

Back

What is electromagnet?

Front

Consists of an iron wrapped by a wire...wire carries a current, it makes the core of a magnet

Back

What is a wavelength?

Front

The distance between a point on the wave on the identical point on the next wave

Back

What is a conductor?

Front

A charged object touches a neutral object

Back

What is a series Circuit?

Front

Parts of a circuit are connected one after the other

Back

What is radiant energy

Front

This energy is carried in the light

Back

What is nuclear energy

Front

Energy in the center of the atom

Back

What does resistance depend on?

Front

length and thickness

Back

What is an Ion?

Front

An atom that gains or loses one or more electrons

Back

What is chemical energy

Front

Bonds that hold atoms together

Back

What is an electric motor?

Front

Converts electrical energy into mechanical energy

Back

What is Kinetic energy?

Front

Energy in motion

Back

What happens when the atoms collide in resistance?

Front

The collision converts electrical energy into heat or light

Back

What is current?

Front

Rate at which electrons pass a given point

Back

What is energy?

Front

The ability to do work (physical)

Back

What is a circuit?

Front

A closed path that allows electrons to flow

Back

What is the conservation of energy?

Front

Energy is never created or destroyed

Back

What is a nonrenewable resource?

Front

An energy source that is used up much faster than it can be replaced is a nuclear energy

Back

What do step down Transformers do?

Front

Decrease voltage

Back

What is work input?

Front

Work applied to a machine

Back

What types of mechanical waves are there?

Front

Transverse and Compressional

Back

What is a machine?

Front

Devise that makes work easier

Back

What is a generator?

Front

Converts mechanical energy into electrical energy

Back

Why is copper used for wire?

Front

It is a good conductor and has lost of resistance

Back

What charge does a Proton have and where is it located?

Front

Positive, Nucleus

Back

What is an induced Current?

Front

The magnetic field must change the produce an eletrical current

Back

Who do machines make work easier?

Front

Changing the size of the force, changing the direction of the force and change the distance of force

Back

What is mechanical Advantage?

Front

The number of times a machine multiplies the effort force

Back

What is a Induction

Front

a charged object caused opposite charge on neutral objects w/o touching

Back

What is an incline plane?

Front

A straight slanted surface like a ramp

Back

When the wire is longer that means?

Front

there is more resistance

Back

What is mechanical energy?

Front

Matter in motion ex: Wind, Waterfalls, and sound

Back

Section 2

(50 cards)

What is diffraction?

Front

Bending around the barrier

Back

What does the speed of sound depend on?

Front

Depends on the medium

Back

What is resistance?

Front

It is a measure of how difficult it is for electrons to flow through a material

Back

What charge does a proton have and where is it located

Front

Positive, nucleus

Back

What does a mechanical wave require?

Front

Requires a medium to pass through

Back

What is an electric force?

Front

Attractive of repulse force exerted by charged objects on each other

Back

What is the Doppler effect?

Front

Change in pitch of a sound caused by movement of sound

Back

What is the scale from lowest energy to highest energy electromagnetic spectrum?

Front

Radio and microwave, Infrared, Visible, Ultraviolet, X-rays, Gamma rays

Back

What is a virtual image?

Front

It can be projected onto a screen

Back

What is forced vibration?

Front

When an object is forced to vibrate by another object either by direct contact or by being close

Back

What charge does a electron have and where is it located

Front

It is negative and in the cloud/shell

Back

What is a trough?

Front

The lowest point on a transverse wave or rarefaction on a longitudinal wave

Back

What is the speed of light?

Front

300,000 km/s

Back

What is an ion?

Front

An atom that gains or looses one or more electrons

Back

What is amplitude?

Front

The maximum movement from rest

Back

What is Refraction?

Front

The bending of a wave as it changes speed

Back

What is a Generator?

Front

It converts mechanical energy into electrical energy

Back

What does the image look like on a plane mirror?

Front

Upright but reverse (right is left and left is right)

Back

What is Voltage?

Front

Electrical potential difference between 2 points

Back

What is a convex Mirror?

Front

Reflective surface is on the outside of a curved mirror

Back

What type of image does a concave mirror produce?

Front

Real (so it can not be projected)

Back

What do electromagnetic waves not need?

Front

A medium to pass through

Back

What does loss of electrons cause?

Front

A positive charge

Back

What does the image look like(concave mirror)?

Front

Upside down and smaller

Back

What is a parallel circuit?

Front

Parts of a circuit on seprate branches

Back

What is an electromagnetic?

Front

Consists of an iron core wrapped by a wire

Back

What is Alternation current?

Front

Electrons flow one way then switch directions then back the other way

Back

Do plane mirrors have a virtual image?

Front

Yes

Back

What is Induced Current?

Front

The magnetic field must change to produce an electric current

Back

What is the definition of electronics

Front

Study of how electronics are used by helpful devices

Back

What charge does a newton have and where is it located

Front

Neutral, nucleus

Back

What is a concave mirror?

Front

Reflective surface is on the inside of a curved mirror

Back

What is interference?

Front

When 2 or more waves meet at the same place at the same time, A new wave is formed based on how the waves meet

Back

What is electric power?

Front

rate at which electricity is converted into other form of energy

Back

What is a wave reflection?

Front

A wave strikes an object or surface a bounces off

Back

What is intensity?

Front

Rate of energy that flows through a given area

Back

What type of image is formed(convex mirror)?

Front

Virtual

Back

What is Timbre?

Front

When an object vibrates at its natural or resonant frequency it produces a standing wave

Back

How is sound made?

Front

An object vibrates and gives energy to the partials around it then created compression's and refraction

Back

What is pitch?

Front

How high or low a sound is

Back

What is the lowest resonate frequency called?

Front

Fundamental tone

Back

What is frequency?

Front

The number of waves that pass a point per second

Back

What is a plane mirror?

Front

Are flat, reflective surfaces

Back

What is Ohm's Law?

Front

Describes the relationship between Current Voltage and Resistance

Back

what is Series circuit?

Front

All parts of the circuit are connected one after the other

Back

What is a crest?

Front

The highest point on transverse wave or compression on a longitudinal wave

Back

What is a transformer?

Front

Increases or decreases voltage

Back

What is Natural frequency?

Front

The frequency at which an object is disturbed

Back

What does gain of electrons cause?

Front

A negative charge

Back

What is an overtone?

Front

While the whole object is vibrating at it's resonant frequency sections are vibrating faster

Back

Section 3

(12 cards)

What are hetero-troughs?

Front

Organisms that need to eat something to obtain energy

Back

How does Photosynthesis work?

Front

Chlorophyll absorbs solar energy/Solar energy is converted into chemical energy/This energy is used to create chemical bonds/Converted into food

Back

What is Concave lens?

Front

A glass or plastic lens that is thicker at the edges than the middle

Back

Light passes through you eye in what order?

Front

Cornea (Protects the pupil) Pupil (Opening in iris) Lens (Focuses light) Retina

Back

What are auto-troughs?

Front

Produce their own food

Back

Rod in the Retina respond to what?

Front

Light and dark

Back

What is glucose?

Front

It is a simple sugar

Back

What is a calorie?

Front

The amount of energy needed to raise 1 gram of pure water 1 degree Celsius

Back

What type of image do you see (Convex mirror)?

Front

Upright and smaller

Back

What is a convex lens?

Front

A glass or plastic lens that is thicker in the middle than the edge

Back

What is required for photosynthesis?

Front

Carbon Dioxide/Water/Chlorophyll/Sun light

Back

Cones in the Retina respond to what?

Front

Color

Back