Year 7
Year 8
Year 9
100

what is the site of respiration

mitochondria

100

which state is arranged regular, particles touching

solid

100

speed of light

300 mio m/s

200

what is the site of photosynthesis

chloroplast

200

which state of matter? moving randomly and fast

gas

200

unit for mass

kg

300

what controls what goes in and out of a cell

cell membrane

300

sound wave is longitudinal or transverse

longitudinal

400

equation for density

mass / volume

400

waves tranfer...

energy

500

which state has the strongest forces of attraction

solid

500

speed of sound

340m/s