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Aquatic Science #3
| Question | Answer |
|---|---|
| have a definite structure, shape , and volume | solids |
| have a definite volume, but not a definite shape | liquids |
| have no definite shape or volume | gases |
| causes water droplets to hang on the end of a leaf | adhesion |
| the reason a paper clip can float on water | surface tension |
| are greater in cold water | dissolved oxygen levels |
| helps form coral skeletons | dissolved carbon dioxide |
| occurs at the surface of a liquid | evaporation |
| occurs at any place within a liquid | boiling |
| mass per unit volume | density |
| salt what the boiling point of water | raises |
| liquid water is thought to maintain what shape the longest | tetrahedral |
| ice is held together in what shape | hexagonal |
| the settling of very small particles, such as clay, at the bottom of a liquid is know as | siltation |
| The process where matter in an area of high concentration moves to an area of low concentration is called | difusion |
| is a property of liquid that allows it to resist external forces | Surface tension |
| is the force a liquid that exerts on a body in all directions at one depth | Hydrostatic pressure |
| the phase change from a soild to a liquid calle | melting |
| the phase change from a liquid to a gas called | vaporization |
| the upward force that acts on every object that is at least partially submerged in water | buoyancy |
| the attractive force between two unlike substances | adhesion |
| the attractive force between two of the same molecules | cohesion |
| when one substance fully incorporates into a liquid, it is know as | dissolving |
| too much of what can cause exess algae growth and deplete dissolved oxygen supplies | nitrogen, phosphorous |
| what happens to water molecules between 4 and 0 | the hydrogen bonds begin to expand |
| a bond between molecules due to the attraction of slightly negative and slightly positive charged atoms | hydrogen bond |
| a bond between two atoms where the atoms share electrons | covalent bond |
| the building block of matter | atoms |
| two or more atoms chemically combined | molecule |
| boning occurs within a water molecule | covalent |
| bonding occurs between water molecules | hydrogen |
Created by:
casperdoe
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