| 7175584431 | Adhesion | The tendency of water to stick to other substances | | 0 |
| 7175586818 | Buoyancy | The ability of a fluid to exert an upward force on an object | | 1 |
| 7175587981 | Capillary Action | The process that moves water through a narrow porous space | | 2 |
| 7175588872 | Cohesion | The attractive force between water molecules | | 3 |
| 7175590438 | Density | The measure of mass of a substance per unit volume | | 4 |
| 7175592040 | Insoluble | Not soluble; does not dissolve in a solvent | | 5 |
| 7175593440 | Polarity | Uneven distribution of charges across a molecule | | 6 |
| 7175594565 | Soluble | Having the ability to be dissolved in another substance | | 7 |
| 7175595318 | Specific Heat | The amount of heat needed to raise the temperature of a substance by one degree Celsius | | 8 |
| 7175596130 | Surface Tension | The force that acts on the surface of water | | 9 |
| 7175596832 | Universal Solvent | The quality of water that makes it able to dissolve more substances that any other substance | | 10 |
| 7175598051 | Solvent | The substance that does the dissolving | | 11 |
| 7175598787 | Solute | The substance the is being dissolved | | 12 |
| 7175600134 | Condensation | The process of warm air cooling as it rises and releasing moisture in the form of a liquid | | 13 |
| 7175601017 | Evaporation | The process by which a liquid is changed into a vapor | | 14 |
| 7175601735 | Fresh water | Water on Earth that is used for human consumption | | 15 |
| 7175602430 | Groundwater | Water located below Earth's surface | | 16 |
| 7175602733 | Human Consumption | The ability for humans to eat/drink | | 17 |
| 7175603626 | Hydrosphere | The portion of the Earth that contains water | | 18 |
| 7175604193 | Impermeable | Does not allow water to move through | | 19 |
| 7175604868 | Infiltration | Water that seeps into rocks and between particles of soil | | 20 |
| 7175607662 | Percolation | The downward movement of water through pores and other spaces in soil due to gravity | | 21 |
| 7175608595 | Permeable | Having pores or openings that allow water (or other liquids) to flow through them | | 22 |
| 7175609565 | Precipitation | The rain, snow, sleet or hail that falls from clouds onto the Earth's land and oceans | | 23 |
| 7175609828 | Runoff | Is precipitation that flows over land into streams and rivers. This water later enters oceans | | 24 |
| 7175611013 | Transpiration | Water vapor given off by plant photosynthesis | | 25 |
| 7175612102 | Water Cycle | The continuous movement of water from the ocean to the atmosphere to the land and back to the ocean | | 26 |
| 7175612931 | Aquifer | An underground layer of rock or soil that holds water | | 27 |
| 7175615431 | Artesian Well | A well in which water rises because of pressure within aquifer | | 28 |
| 7175616044 | Drought | A long period of scarce rainfall | | 29 |
| 7175617189 | Glaciers | A large mass of moving ice and snow on land | | 30 |
| 7175617726 | Hydrology | The study of water | | 31 |
| 7175618381 | Hydrosphere | The portion of Earth that contains water | | 32 |
| 7175620354 | Icecaps | A glacier forming on an extensive area of relatively level land and flowing outward from its center | | 33 |
| 7175621117 | Icebergs | A large floating mass of ice detached from a glacier | | 34 |
| 7175621540 | Reservoir | A lake that stores water for human use | | 35 |
| 7175622852 | River Basin | The region of land drained by a river and its tributaries | | 36 |
| 7175623488 | Watershed | The land area that supplies water to a river system | | 37 |
| 7175624396 | Wetland | A land area that is covered with a shallow layer of water during some or all of the year. AKA estuary, swamp, bog | | 38 |
| 7175625489 | Oceanography | The study and exploration of the world's ocean. | | 39 |
| 7175626281 | ROV (Remotely Operated Vehicle) | Unmanned submersible tethered to a mother ship and operated by pilots using a joy stick. | | 40 |
| 7175626887 | Scuba | Self-Contained Underwater Breathing Apparatus - device that allows divers to breathe underwater for long periods of time | | 41 |
| 7175627930 | SONAR | SOund NAvigation Ranging - used to measure ocean depth by sending sound to bounce off the ocean floor. | | 42 |
| 7175628975 | Submersible | A small submarine used to explore the ocean depths; equipped with windows, lights, mechanical arms, cameras and other scientific instruments capable of seeing and recording data. | | 43 |
| 7175629637 | Abyssal Plain | Mostly flat portion of ocean floor which provides a home to a variety of unique organisms that are adapted to the extreme conditions of this habitat. | | 44 |
| 7175632348 | Benthos | Organisms that live on or in the ocean floor | | 45 |
| 7175633166 | Chemosynthesis | The production of organic material by energy from chemical reactions rather than light. | | 46 |
| 7175633875 | Consumer | Feed on other organisms (plant or animal) because they cannot make their own food. | | 47 |
| 7175634701 | Continental Shelf | Extends from the edge of the continent outward to where the bottom sharply drops off into a steep slope. | | 48 |
| 7175636735 | Continental Slope | The steep incline between the continental shelf and the abyssal plain | | 49 |
| 7175637664 | Ecosystem | A community of different but interdependent species and their non-living environment. | | 50 |
| 7175638103 | Estuary | body of water where a river meets the ocean | | 51 |
| 7175638816 | Food Chain | A hierarchy of food relationships from the simplest to most complex. | | 52 |
| 7175639723 | Habitat | The immediate space where an animal or plant lives and has food, water and protection. | | 53 |
| 7175640069 | Hydrothermal Vent | An opening in the sea floor where super-heated water and other material are discharged into the surrounding seawater | | 54 |
| 7175640732 | Intertidal Zone | The area that lies between the low-tide and the high-tide line. | | 55 |
| 7175641254 | Mid-Ocean Ridge | A chain of undersea mountains that circles the earth through every ocean. | | 56 |
| 7175642075 | Nekton | Free-swimming organisms whose movements are independent of the tides, currents, and waves | | 57 |
| 7175642879 | Neritic Zone | The first 200 meters (656 feet) of ocean water, which includes the seashore and most of the continental shelf. | | 58 |
| 7175643812 | Oceanic Zone | Extends from 200 meters (656 feet) deep all the way down to the bottom of the ocean. | | 59 |
| 7175644233 | Ocean trench | The deepest parts of the ocean. The deepest one is the Marianas Trench (located in the South Pacific Ocean - almost 5 miles (8.05 kilometers) deep. | | 60 |
| 7175644637 | Photosynthesis | A chemical process where plants and algae use a sun's energy to make sugars from carbon dioxide and water | | 61 |
| 7175645140 | Producer | A living thing that produces its own food within itself, usually by using sunlight energy in photosynthesis | | 62 |
| 7175646538 | Salinity | The amount of dissolved solids in seawater | | 63 |
| 7175647700 | Seamount | A volcanic peak that rises at least 3280 feet (1000 m) from the seafloor. | | 64 |
| 7175648194 | Upwelling | The upward movement to the ocean surface of deeper, cold and usually nutrient-rich waters, especially along some shores, due to the offshore movement of surface waters | | 65 |
| 7175649664 | Bio indicator | Organisms or components of organisms that are used to assess the health of a water system; an organism or community associated with particular environmental condition a change to the number of organisms or the proportions of the community indicate a change in the environment. | | 66 |
| 7175650331 | Dissolved Oxygen | Measure of water quality indicating free oxygen dissolved in water. | | 67 |
| 7175651163 | Indicator | A chemical material or solution which can be used to show (usually by a change in color) the endpoint of a chemical reaction or chemical concentration. | | 68 |
| 7175652156 | Nitrate | Nitrogen compounds used for growth by plants and algae; a compound that can be used by photosynthetic life forms to obtain the nitrogen needed for survival | | 69 |
| 7175653032 | pH | The measure of how acidic or basic a substance. | | 70 |
| 7175654387 | pH scale | Rating of how acidic or basic a substance is the scale goes from 0 to 14 with 7 being neutral values less than 7 being acidic and values greater than 7 being | | 71 |
| 7175656074 | Turbidity | A measure of the clarity of the water (how clear is it?) | | 72 |
| 7175657480 | Water quality | Used to describe the health of a water system | | 73 |
| 7175657807 | Contaminates | Any foreign components in a substance, for example in water. | | 74 |
| 7175658218 | Non-point source pollution | Pollution that comes from many places or sources that is not easily identified; pollution that results from water flow picking up trash, toxic chemicals, and other types of waste | | 75 |
| 7175659852 | Point Source pollution | Pollution that can be traced to a specific source such as oil that spills from a pipeline | | 76 |
| 7175660453 | Pollutant | Any substance or form of energy that can cause harm to the environment and make it unfit for use by organisms; any substance that can negatively affect an ecosystem | | 77 |
| 7175661134 | Stewardship | Responsibility for conserving and restoring the Earth's resources for future generations | | 78 |
| 7175661784 | Wastewater | Water that runs into drains that may contain sewage and chemicals from homes and businesses or pollutants from industry | | 79 |
| 7175662836 | Omnivore | An organism that eats both plants and animals | | 80 |
| 7175664897 | Herbivore | An organism that eats only plants | | 81 |
| 7175665462 | Carnivore | An organism that eats only meat | | 82 |
| 7175666416 | Food web | Two or more food chains that are interconnected | | 83 |
| 7175667529 | Food chain | A model that shows the flow of energy from one organism to another | | 84 |
| 7175668001 | Predator | An animal that hunts for food | | 85 |
| 7175668339 | Prey | An animal that is hunted for food | | 86 |
| 7175668680 | Producer | A plant that make its own food | | 87 |
| 7175669629 | Consumer | An organism that cannot make its own food and must eat to get energy | | 88 |
| 7175670317 | Sea | Part of the ocean surrounded by mostly land | | 89 |
| 7175670609 | Salinity | The concentration of salt in the ocean | | 90 |
| 7175671248 | Wave | Rhythmic movement of energy in the water caused by high winds | | 91 |
| 7175674235 | Upwelling | The upward movement of cold water from the ocean floor | | 92 |
| 7175675292 | El Nino | Abnormal climate event that occurs every 2-7 years | | 93 |
| 7175676449 | Continental Shelf | The gradually sloping end of a continent that extends under the ocean | | 94 |
| 7175676939 | Abyssal Plains | Large, flat areas on the ocean floor | | 95 |
| 7175678473 | Guyots | Flat topped seamounts | | 96 |
| 7175679303 | Trenches | The deepest parts of the ocean found along the edge of the ocean floor | | 97 |
| 7175680037 | Mid-ocean Ridge | The area in an ocean basin where new ocean floor is formed | | 98 |