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ScienceVocabS1 PT.1
Science vocabulary for Universe Unit PART 1
| Question | Answer |
|---|---|
| Geocentric | Having or relating to the Earth as the Center |
| Heliocentric | Having relating to the sun as a center |
| Big Bang Theory | Development of the Universe |
| Spiral Galaxy | By: Edwin Hubble 1936 Flat rotating disk with stars, gas, dust & bugle |
| Cluster galaxy | Many galaxies grouped together and compact |
| Irregular Galaxy | galaxy with no distinct shape Ex: Spiral Elliptical galaxy (Doesn't fall into Hubble sequence category) |
| Transverse Wave | Movement a wave makes. Matter: up and down & side to side (S shape) Ex: Light Slinky (Perpendicular waves that move in direction of energy) |
| Longitudinal Wave | "L-Wave"/Compressional wave Moves in vertical direction of energy flow |
| Transverse Wave (PARTS) | Crest Trough Wave Length Wave Height Amplitude |
| Longitudinal Wave (PARTS) "Compressional Wave" | Rarefaction Wavelength Amplitude |
| Crest | Highest point in Transverse wave |
| Trough | Lowest point in Transverse wave |
| Wave Length | Found in Transverse and Compressional Waves. Twave- Crest to Crest/trough to Trough Cwave- Compression to Compression |
| Wave Height | Found in Transverse wave. Distance from Crest to trough |
| Amplitude | Found in T & C waves High to Medium to Low ;The closer the waves are, the higher the amplitude. |
| Rarefaction | Found in Compressional wave. - When the molecules are far apart |
| Mechanical Wave | "Material wave" - needs 'Medium' type of wave to travel (T & C Waves) |
| Light Year | Distance equal to the distance light travels in one year Light Year = 5.88 trillion miles = 9.46 trillion kilometers |
| Red Shift | Happens when light slowly INCREASES in wave length or "SHIFTS" to RED end of spectrum |
| Blue Shift | light DECREASES in wave length or "SHIFTS" to BLUE and of spectrum |
| Wave length | Distance corresponding points of the same phase. |
| What do waves carry? | ENERGY |
| Can waves pass through any state of matter? | Yes |
| Do waves CARRY matter? | NO, (or medium) |
| Transverse Wave direction is... | Perpendicular |
| Compressional Wave direction is... | parallel. Energy moves same way matter does. |
| T. and C. waves require a ... in order to move energy from one place to another. | MEDIUM (type of matter) |
| Electromagnetic Waves | All have different wave lengths but travel at the same speed |
| Do E.M. waves require a Medium in order to transfer energy/ | NO NO NO |
| What's an interesting fact about E.M. Waves? | They can travel through space/ through a "Vacuum" |
| List examples of 'Mediums' for a Transverse Wave | Slinky Water |
| Compare/Contrast the differences between E.M & Mechanical waves | E.M.: Doesn't need matter to transfer energy. All E.M. waves travel at the same speed. Mechanical: Require Medium. Different travel speeds and wavelengths. |
| Waves... They don't... | transfer or carry energy. They don't carry or move matter. |
| Two categories of waves are: | Mechanical and Electromagnetic waves |
| Matter consists of: | Solid. Liquid. Gas. |
| Synonym for Matter... | Medium |
| Examples of Electromagnetic Waves | Radio.Microwave.Infrared.Visible. Ultraviolet.X-ray.Gamma |
| How do you name all the Ex. of E.M. Waves? | Red Martians Invaded Venus Using X-ray Guns |
| Uses for Radio Waves | Cell phones |
| Microwaves | Transmits info for Storm Reports... |
| Infrared Light | Has to do with Colors and all colors are used in one but all others are absorbed |
| Visible light | The only E.M. Wave we can see |
| Ultraviolet Light | Causes sunburns, skin cancer... |
| X-Rays | Luggage, body |
| Gamma | Helpful for cancer treatment |
Created by:
Zacfan0501
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