physiscs
what is the closes planet to the sun
Mercury
what does the nucleolus
controls the cells activity
list 3 matter
solid liquid gas
name the three types of veriables
control,dependent,independent
what energy does a car gain when it moves
kinetic
what cell makes photosynthesis
chloroplast
metal+acid=
salt +hydrogen
what do all 3 variables do
control keep the same
dependent is what you measure
independent is what you change
what force slows you down
friction
what are the two types of allele
dominant and recessive
what is a compound
substance made up of two or more atoms chemically combined
what are the 3 use apparatus
what does light travels in
waves
what does the cilia cells do
they move the mucus
what is a element
a substance made up of one type of atom
what the first stage you do to caries out your scientific investigation
planning
when a ball falls it gains what energy and looses what energy
it gains kinetic energy
it looses gravitational potential
list all the gases we breath in
nitrogen
oxygen
argon
carbodioxide
water vaper
what happens to the atoms of a solid when the temperature increases
the particles gain kinetic energy and move faster
what is an appartus
the technical equipment or machinery needed for a particular activity or purpose.