Osmosis

Osmosis

Osmosis Osmosis refers diffusion of water molecules through a semipermeable membrane from a place of higher water concentration to a place of lower water concentration until the concentration on both sides is equal. It is the … more

Ecosystem Simulation

Ecosystem

About this simulation The length of the red bar shows the vitality. It gradually decreases with time. When the vitality is zero, it naturally dies. The green bars show stamina (nutritional status). If it is short, … more

현미경

Microscope

Microscope The microscope consists of an objective lens and an eyepiece. The objective lens has a short focal length. The light reflected or transmitted by the object is gathered between the objective lens and the eyepiece. … more