unit 1
when a substace dissolves into another.
solution
what is the smallest living organism
cell
light travels in
straight lines
whats in the middle of a class 1 lever
fulcrum
what is the quality of water
chariteristics of water.
what is SMASH stand for
space, motion, attracted to one another, same in pure substance, holy cow they are tiny.
what is a permeable membrane
allows substaces to pass through
what is the law of reflection
angle of I = angle of R
what is a simple machines new name when it is a part of a larger system.
subsystem
what is portable water
drinkable water
is salt soluable or not and why
yes because it can dissolve in water.
what is diffusion
movement of particles from an area of high to low concentration.
what is refraction
bending of light from one medium to another
what is a compound system.
more than 1 simple machine working together.
what is a retreating glasier
melting faster than freezing.
what is viscosity
thickness or thinness of a liquid.
what does agrew stand for
adapt, growth, reproduce, energy, waste.
what lens can fix nearsightedness
double convex
what is the calculation of work
force x distance.
what is a crevasse
3 ways to spped up the rate of dissolving
agitation, tempature, pressure
what are the 3 types of blood vessels
arteries, veins, capillaries.
what is accommodation
the process of changing the shape of the lens to focus on objects.
what is another name for excavator
backhoe
what is algae
nutrient pollution of herbicides