science revision

proton: positively charged and found inside the nucleus

electron: negatively charged and found on the atom rings

neutron: no charge and found inside the nucleus

chromatography: putting ink in a solvent to see the components of a mixture

centrifuging: liquid is spun at high speed and separates fluids of different densities

decanting: pouring the liquid off undissolved solid

magnetic separation: using a magnet to get magnetic substance

filtration: filtering solid from liquid using filtrate paper

distillation: boiling mixture so that the liquid with lower boiling point is seperated

anther: produces pollen

pollen: male sex cell/gamete

stigma: collects pollen

ovary: contains ovule

ovule: forms the seeds

respiration: a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.

cytoplasm: jelly like substance where cell activity occurs

cell membrane: controls what comes in and out of the cell

nucleus: contains dna

mitochondria: where respiration occurs

chloroplasts: where photosynthesis occurs

cell wall: strengthens the wall of the cell and gives it structure

vacuole: keeps the cell rigid and stores water

loudness: larger amplitude means louder sound

amplitude: distance from the center line to the top of the crest

pitch: higher frequency means a higher pitch

frequency: the amount of vibrations per wave