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Adv SCI Test 1.
The Forms of Energy and Circuit knowledge
| Question | Answer |
|---|---|
| Radiant energy is | energy in the form of light |
| Thermal energy is | energy that all objects have; it increases as the object’s temperature increases |
| Electrical energy is | energy carried by electrical currents (e.g. batteries, wall sockets, circuits: parallel and series circuits.) |
| Mechanical energy is | the energy due to motion and position of an object. |
| Nuclear energy is | energy stored in the nucleus of the atom |
| Chemical energy is | energy that is stored in chemical bonds (like body fat & wood) |
| Energy is transferred in a series circuit due to the | power source, such as a battery. |
| The battery would transfer the electrons through the conductive wires, alligator clips, and then we would see the light bulb conduct the energy from | chemical energy, to electrical energy, and then to radiant and thermal energy. |
| The Law of Conservation of Energy states that | energy is never created or destroyed. The only thing that changes is the form in which energy appears |
| Work is done when | a force causes an object to move in the same direction that the force is applied. Work = force x distance |
| Examples of Forms of Energy: | Chemical energy = gasoline Electrical energy = tv’s, computers, and CD players Mechanical energy = a baseball flying through the air Radiant energy = X-rays Thermal energy = rubbing your hands together rapidly |
| Chemical energy = Electrical energy = Mechanical energy = Radiant energy = Thermal energy = | Chemical= gasoline, Electrical= tv’s, computers, and CD players Mechanical= a baseball flying through the air Radiant= X-rays, light bulb Thermal= rubbing your hands together rapidly, causing heat |
| If all four switches below are turned on, which light bulb will light up? (W is wood, S is silver, and Y is yarn.) | The circuit with Silver |
| What will happen when a light bulb is removed from a circuit, leaving a gap? | The circuit wont work, because it will be an open circuit |
| What will happen when a light bulb is added on the left side of a circuit (where a wire is). There are two other Light bulbs in the circuit. | The other Light Bulbs will dim |
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