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