(Ecoystem)
rainforest
a place that is wet with lots of animals
Air pressure
a forces per unit
interia
a property of matter
salt marsh
coastal wetlands that are flooded
pond
a body of water smaller than a lake
direction
north west east south
community
a group of living things
salinity
the measure of Dissovled salts in water
speed
the rate of change of position of an object
estuary
an area at the end of a river
grasslands
an ecosystem that's thickly covered in short plants
velocity
a direction of movement
aquatic
living or growing
balanced force
those that are equal
gravity
the force that holds the gases in the sun