nucleus, Center of the cell, atom, The smallest unit of matter, gravity, The force that pulls objects toward earth or down, molecule, A group of atoms bonded together, ecosystem, A community of living and nonliving things interacting together, evaporation, The process where liquid changes into gas, electricity, A form of energy caused by moving electrons, volcano, A mountain that can erupt lava and ash, microscope, a tool used to see very tiny objects, respiration, The process of releasing energy from food in living things

Leaderboard

Visual style

Options

Switch template

Continue editing: ?