Science

• vector diection and magnitude

  scalar magnitude
• Resultant force difference between forces
• density = mass / volume

  d=m/v
• Isotopes= same atomic number diff neutrons
• saftey , effective , dosage
• 1.comp lab grow

  2.animals

  3.humans
• Placebo u
• Eukaryote nucleus


  Prokaryote no Nucleua
• xylem water minerals root to leaves transpiration
• Phloem translocation everywhere sugars
• Pathogen microorganism diseas
• Cell tissue organ organ system
• Cell membrane controls diffusion
• Mitochondria energy
• Temp danger zone 5 60 bacterial growth
• Diseases fungi bacterial virus protist
• store

  Gravitational

  atomic

  magnetic

  electrostatic

  thermal

  elastic potential

  chemical

  kinetic
• Transfer

  heat

  electric

  lighting waves

  mechanical

  sounding
• dimitri Mendeleev created periodic table in 1869
• Periodic table arranged in atomic weights
• Forces all balanced equili
• Ionic bonding metal non metal
• Metallic metals
• Covalent non metals
• Alloy metal +? 2 or more elements
• Relative mass

  p 1

  n1

  e1/1800
• Trends

  gain or loose e

  More shells easier to gain or loose as you get further away

  positive nucleus

  lesss attraction
• Top n - p / e

  bottom p and e
• Democritus theory
• John dalton sphere atom
• jj thompson plum pudding model electron
• Ernest Rutherford nuclear model protons alpha particle
• Neil’s Bohr planetary model different energy levels and electron orbits
• james Chadwick n
• Animal - cytoplasm nucleus cell membrane mitochondri ribosomes

  plant same and cell wall vacuole chloroplasts