sound + heat + ecosystem

• speed of sound in solid is 5.000-6.000m/s
• the speed of sound in liquid is 1500m/s
• the speed of sound in gas is 330m/s
• the speed of sound in gas is 330m/s
• type of sound is divided into 2 :

  pitch = affected by frequences

  loudness = affected by intensity of sound (volume)
• audiosonic's range is from 20Hz to 20KHz
• audiosonic's range is from 20Hz to 20KHz
• the use of sonar is to measure distances between ship and the ocean floor or enviroment
• what similarities do expansion and contraction have?

  mass and number of particulate are conserved
• what is the difference between conduction and convection?
• what is the difference between conduction and convection?

  in convection the medium moves, in conduction the heat particle moves
• level of organisation

  1. individual
  2. population
  3. community
  4. ecosystem
• examples of abiotic : light, temperature, air, pH, water
• food chain is 1 organism in each thropic levels meanwhile food web is a variety organism in each thropic levels
• primary consumer eats herbivore