Simple maching that makes work seem easier by decreasing force, but amount of work done is really the same.

force x distance

an object has to MOVE in the SAME direction as the force

distance is increased, but force is decreased

distance is decreased so force is increased

object doesn't move OR force not in the SAME direction as movement

Plant cells swell with water making the plant stand tall. When there is low water, there is low turgor pressure and the plant is limp.

plants respond to gravity. Roots will ALWAYS grow down. Stems act negatively and will always grow opposite of gravity or up

Plants respond to light. Plants will grow toward the light