How Is Resistance Measured?
- How is resistance measured?
- In ohms.
- How is voltage measured?
- In volts.
- How is current measured?
- In amps.
- What is an insulator?
- Something that stops the movement of heat electricity or other forms of energy
- What is a conductor?
- Something that allows the movement of heat electricity or other forms of energy
- What is a good electrical conductor?
- Something that facilitates the movement of heat, electricity or other forms of energy.
- What is heat conduction?
- Energy movement by the direct contact of molecules.
- What is heat convection?
- Heat movement through the movement of the medium itself.
- What is heat radiation?
- Heat movement through electromagnetic waves, like the sun or a microwave oven.
- What is the transfer of heat through the direct contact of particles?
- Conduction.
- What is the amount of heat needed to raise one kilogram of something one degree centigrade called?
- Specific heat
- What is the transfer of heat through electromagnetic waves?
- Radiation.
- What is the sum of all kinetic and potential energy in a piece of matter called?
- Thermal energy
- What atomic particle has a positive charge?
- Proton
- What atomic particle has a negative charge?
- Electron
- What atomic particle has a neutral charge?
- Neutron
- What is a source of voltage difference?
- Battery
- What is static electricity?
- A non-moving electrical charge
- What is another name for a compression wave?
- Longitudinal wave
- What kind of wave moves at right angles to the medium of transfer?
- Transverse wave.
- What kind of wave does NOT need anything to move through, like a vacuum?
- Electromagnetic waves
- What is frequency (Hz)?
- The number of times a wave passes by a stationary point in a single second.
- On a wave, what is the amplitude?
- The distance between the rest position and the crest
- On a wave, what is the rest position?
- The horizontal line that lies midway between crest and the trough.
- On a wave, what is the wavelength?
- The distance between two crests.
- On a wave, what is the trough?
- The “ditch” in a wave.
- On a wave, what is the crest?
- In “mountain top” in a wave.
- A 55.6-kg object is moving at a rate of 23.5 m/s. What is its K.E.?
- The kinetic energy is 15,352.6 Joules
- A 33.4-kg object is heated from 45.5ºC to 66.4ºC, and it has a specific heat of 2.3-C. What is the amount of energy that was put into the object?
- There were 1,605.5 Joules put into the object.
- A 33.4-kg object is held 44.1 meters above the ground of a planet that has acceleration due to gravity of 10.7 m/s/s. What is its G.P.E.?
- The gravitational potential energy is 15,760.0 Joules.