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The measure of current

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How did your experiment contribute to your understanding of resistance?

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Can you see what the equation R = V / I tells you about Resistance?

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How did you use your knowledge of electricity to create your project?

What did you learn through the process?

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What is a parallel circuit?

How does current behave in a parallel circuit?

How does voltage remain constant in a parallel circuit?

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How does the flow of water in a pipe relate to the flow of charge in a circuit?

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What is a series circuit?

How does current behave in a series circuit (constant)?

How is voltage divided in a series circuit?

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How does voltage affect the amount of work electricity can do?

Voltage represents the electrical potential energy available to do work, higher voltage means more potential energy and less voltage is less potential energy. the voltage affects the amount of work electricity can do

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How can we use the Hill & Well analogy to understand the behavior of charged objects?

the height of the hill is the electric potential. point A

the water is the amount of charge and the strength of the field. Point B

Voltage is the measure of the difference in charge (water) & electric potential (hill)

point A shows the positive charge, with high electric potential and high charge, point B represents the negative charge, with not much charge and low electric potential

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What is resistance?

How does it affect current flow?

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How does the behaviour of current and voltage differ between series and parallel circuits?

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What is current?

How does it relate to moving charge?

What does the equation Q = I  t tell you?

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How can we predict the behavior of current and voltage in series circuits using equations and the analogy?

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What is voltage?

How does it relate to the potential difference between two points in a field?

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What is an electric field?

an electric field is an invisible area where charged objects and it exerts a force, and can "push/pull " other charged objects

How does it relate to charge?

An electric field is created by electric charges, with its strength depending on the amount of charge and distance from it

What is the "hill and water reservoir" analogy?

they show the difference between positive and negative charged on electric field

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How does understanding charge help explain static electricity?

we know charge involves electrons which are negatively charged, and protons are positively charged. startic electricity is the building of electric charge, which are electrons. an object gets electrons, or electric charge, when it rubs on another object. for examople, a balloon and a jumper.

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what electricity is measured by

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electricity is the movement of electric charge, carried by electrons

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electricity is the movement of electric charge, carried by electrons

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can be though about like electrical pressure, which pushes electrons through a circuit, measured in volts

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flow of electricity, HOW much electricity is going though the circuit measured in amps

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electricity which flows in one direction only

(exp: batteries, solar pannels)

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resistance slows down the flow of electricity, can be though of as friction for electricity and measures in ohms

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electricity flow that changes directions back and forth

(exp: household electricity)

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push away

-the negatively charged electrons repel eachother

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means something does not move

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the build up of electric charges (electrons)

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the flow of electrons