Acquired traits - Talking, playing baseball, a suntan.
Animal - Mammals, insects, reptiles and starfish.
Asexual reproduction - This form of reproduction is very lonely
Atmosphere - The layer of gas around the Earth
Atom - The smallest unit of matter.
Cell - The smallest unit of life.
Chloroplast - These do photosynthesis.
Classification - The study of organizing living things
Contraction - When molecules get cold, this happens.
Crust - The thin layer of rock on the Earth
Cytoplasm - The jelly-like substance in a cell that holds everything in place.
Density - The amount of matter in a particular space
Diffusion - When molecules move from high to low concentration.
Electron - This negatively charged particle is part of an atom.
Expansion - Sidewalks are built with cracks because this occurs in the summer.
Fungi - Mushrooms, molds, and slimes.
Gas - has molecules that are moving fast and are very spread apart.
Genetics - The study of traits.
Genus - This is always capitalized.
Heat energy - comes from the sun and particle motion.
Inherited traits - Hair color, eye color, height.
Classification key - The tool used to classify organisms.
Kingdom - There are 5 of these to group living things.
Liquid - has molecules that slide past each other and are very wet.
Mass - The amount of matter in an object.
Matter - Anything and everything (except energy!)
Membrane - Acts like a fence for the cell.
Molecule - H2O, CO2, O2, NaCl
Monera - Also known as bacteria
Nucleus - The main office in a cell.
Offspring - Children.
Organs - Heart, lung, brain, bone.
Organisms - Snake, bird, mushroom, bacteria, algae, rose.
Osmosis - The process when a potato in salt water loses weight.
Particle - A very small piece of something.
Plants - Trees, grass, flowers, ferns.
Protist - Amoebas, algae, sea weed.
Sexual reproduction - When there are 2 parents
Scientific name - The genus and species of an organism.
Solid - When the molecules are close and barely moving.
Species - A single group of living things.
Organ systems - Circulatory, respiratory, and nervous are all organ
Temperature - A measure of the movement of molecules
Tissue - A group of cells working together.
Volume - The amount of space something takes up
Cell wall - Only found in plant and bacteria cells.