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Everything! Science
Everything! Science Semester 1
| Question | Answer |
|---|---|
| What can energy do? | Make things work, move, change, exert force |
| Energy is measured in | Joules |
| Energy can not be created or destroyed | |
| Mechanical Energy is a combination of | Potential and Kinetic |
| Potential Energy consist of | Nuclear, Gravitational Potential, Elastic Potential, Chemical Potential Energy |
| Kinetic Energy consist of | Radiant Thermal Motion Sound Electrical |
| Symbol for energy | E |
| Unit of measure for energy | Joule(s) (J) |
| Light energy is | Radiant |
| What is transformation in energy | When energy changes |
| ME= | KE+PE |
| PE= | mass*gravity*height |
| GPE= | weight*height |
| KE= | (1/2)mass*velocity squared |
| Battery to a lightbulb, energy transformation | Chemical - Electrical - Radiant |
| Heat describes a... | Condition |
| How does heat flow | Heat flow from high to low temperature |
| Matter does not contain... | Heat, it has energy |
| Does matter contain heat? | No |
| What does matter contain | Energy |
| Radiation | Transfer of energy by electromagnetic waves |
| Thermal energy | The total internal kinetic energy of a substance's particles |
| Temperature | Measures the average of that kinetic energy |
| Heat | The transfer of thermal objects due to a temperature difference |
| Three types of Thermal Energy | Radiation, Conduction and Convection |
| Radiation | Transfer of energy by electromagnetic waves |
| Conduction | One particle of matter to another in an object without movement |
| Convection | The transfer of heat in fluids (liquids or gases) through the movement of the fluid itself |
| Symbol of heat | Q |
| If an object is hotter | It has more thermal energy, which is kinetic energy within the object's matter because thermal is a type of kinetic |
| As to objects reach thermal equilibrium together, they tend to | Cool down |
| Thermal equilibrium | When two or more objects reach the same temperature |
| A high specific heat means | MORE energy is need to increase it by one Celsius/Fahrenheit |
| What state of matter has the highest specific heat? | Liquids, meaning liquids like water typically have a higher heat capacity than solids and gases |
| If something has high specific heat than... | It will take longer time and more energy to heat the "something" up |
| If something has low specific heat than... | It will take less time and less energy to heat the "something" up |
| Q=mcΔT calculates... | How much energy it takes to heat the object up |
| How do transverse waves move | Perpendicular to the direction in which the wave travels |
| Amplitude for mechanical waves | Intensity/Loudness |
| Amplitude for electromagnetic waves | Intensity/Brightness |
| Wavelength for mechanical waves | Pitch/Energy |
| Wavelength for electromagnetic waves | Color/Energy |
| Wavelength | Crest to Crest |
| Trough | Minimum value of wave |
| Crest | Maximum value of wave |
| Amplitude | Distance from Rest Position |
| Compression | When particles are closest together |
| Rarefaction | When particles are farthest apart |
| As amplitude increases | So does energy |
| As frequency increases | So does energy |
| As wavelength increases | Energy decreases |
| Red wave | Lowest frequency and energy |
| Violet wave | Highest frequency and energy |
| Infrared waves | Have lower frequency than the visible light |
| Light acts as a | Wave and particle |
| Light phenomenons | Interference, reflection, refraction and diffraction. |
| High refractive index results in light... | Slowing down in the matter refracting the light |
| Light travels worst in | Solids |
| Light travels best in | Air/Vacuum |
| Scale of speed of light in matter | Vacuum (Lowest Index) Air (2nd Lowest Index) Liquid (Medium Index) Solid (Highest Index) |
| When two troughs or crest meet, will the wave construct | Yes |
| When a trough and crest meet, will the wave construct | No |
| It's opposite, mechanical waves are different. Sound travels best in | Denser matter |
| TV on in space. Will the TV turn on by remote? | Yes |
| TV on in space. Will the TV play a show by remote? | Yes |
| TV on in space. Will the TV be heard? | No |
| Doppler Effect | When an object goes in a direct motion compressing sound wave in front of it making sound be perceived as higher pitched |
| Electricity | Movement or flow of charges through a conductor (electrical current) |
| Electric Current | Electrical current is the rate at which charges pass through a given point. |
| Unit of current | Amperes or amps |
| How do you strengthen an Electromagnet | More coils and electric current with iron core in the center |
Created by:
gunn135h4nn0n