Show:
Static Electricity
Current Electricity
Batteries
Circuits
Electronics
100
What is "electrostatic discharge?"
Sudden release of static electricity between two differently charged objects.
100
What is "Current Electricity"
The flow of electrons.
100
What is "Battery"
It is a portable source of electrical energy stored in chemical form containing two or more cells.
100
What is "Load"
The part of the electric pathway in an electric circuit that uses current, such as bulb or motor.
100
What is "Electronics"
Devices, such as televisions, radios, and computer, that operate using small electrical parts and the flow of electrons.
200
What happens when charged objects are brought near each other? The charged objects exert forces on each other. This force can be __________, or repulsive.
What is "Attractive"
200
What is "Alternating Current" (AC)
It is a current that changes direction because it is produced at a power station using a rotation current generator.
200
What is "Electrode"
Terminal that conduct electricity
200
What is "Series circuit"
An electric circuit in which electrons can flow from one pole of the power source to the other.
200
What is "Semiconductors"
Solid elements, such as silicon or germanium, that have electrical conductivity between that of a conductor and an insulator.
300
What charges attract each other? 1) Opposite charges 2) Like charges
What is "Opposite Charges"
300
What Is "Direct Current" (DC) used?
What is "Batteries"
300
How does an electrolytic cell work?
When you connect the electric cell, a series of chemical reactions occurs inside. The chemical reactions cause electrons to collect on the negative electrode and flow through an outside conductor back to the positive terminal. The positive electrode gains electrons due to the reaction. The electrolyte and the outside conductor form a complete path that allows the current to flow. The chemicals inside the electric cell gradually change into different chemicals.
300
What is power source in circuit? 1)Battery 2)Switch 3) light bulb 4)Motor
1) Battery
300
What are difference between transistor, and microchips?
Microchips do the same work as a transistor, but it's only smaller.
400
What is Lightning Safety in Indoors and Outdoors? Tell me one each. you can tell me only 1 each, but you can tell me 2 each. <- (If you can)
Indoors : 1) Get indoors during thunderstorm and stay away from windows and doors. 2) Avoid plumbing, electrical appliances, and corded phones. Outdoors : 1) Reduce your risk of injury by avoiding tall objects, isolate trees, metal structures, open areas, and water. 2) Crouch down to reduce your height.
400
What is conductor to electrons to move freely from atom to atom in a continuous path? (So it means what is conductors.) List at least 5 of them.
Silver, Copper, Gold, Iron, Mercury, Carbon, Tap Water
400
what battery is expensive then other? 1) rechargeable battery 2) One-use battery
1) rechargeable battery
400
What is parallel circuits?
It's when load is separated in to two.
400
What does Diodes?
It converts AC power to DC power.
500
Many industries use static electricity to help control pollution. Tell me 5 of them. (You can SIMPLIFY the answer.)
step 1, Dirt and smoke particles move through a smoke stack. step 2, The particles pass through a negatively charged metal plate and receive a negative charge. step 3, The charged particles are attracted to positively charged collecting plates. step 4, Collecting plates are knocked to remove the dirt and smoke particles. step 5, Clean waste gas continues through the smoke stack.
500
Why is low-resistance quality of superconductors?
It's because their electrons are bound together in pairs and flow with extremely low energy loss. This creates an electric current that moves with little resistance.
500
What does Electrical cells commonly classified?
Wet cells, and dry cells.
500
What is electrical safety? List 5 of them
Never touch electrical outlets with your fingers or with objects, Never play with electrical cords, wires, or switches, If you are in the bathtub, shower, or standing on a wet floor, never touch anything electrical such as a light switch or hair dryer, when playing outdoors, never play around electrical wires or equipment, stay away from areas marked DANGER: HIGH VOLTAGE, Never climb utility poles, transmission towers, or fences around substations, do not climb trees near power lines, never throw objects at wires or utility poles, only fly kites in dry weather and in open spaces away from power lines.
500
What is "Photocell" sensitive to?
it is sensitive to varying light levels.