Resources
The definition of ________ _______ is a resource that replaces itself when given enough time.
renewable resource
Water is very different from other substances because its density is ______ as a liquid than when it is a solid.
greater
_____ is a phase change in which a solid changes into a liquid.
Melting
Water that contains dissolved salts.
salt water
A (an) _____ is the most basic particle of a unique element that has the properties of that element.
Solid carbon dioxide is called _____ _____.
dry ice
The definition of ________ _______ is a resource that can not be replaced once used.
nonrenewable resource
Water freezes at ____ degrees Celsius.
0 (zero)
_____ is a phase change in which a liquid changes into a solid.
Freezing
Water that has been treated to kill bacteria and harmful substances.
tap water
A (an) _____ is a part of an atom that has a +1 charge.
proton
Water carries _____ _____ throughout the organism.
dissolved materials
______ are a renewable resource if given enough time to reproduce to replace what is taken from the ocean.
Fish
Water vaporizes at ____ degrees Celsius.
100
_____ is a phase change in which a gas changes into a liquid.
Condensation
Pure water with all substances removed.
Distilled water
A (an) _____ is a part of an atom that has a -1 charge.
electron
Many seaweeds have special _____ _____ to help them float, which allows them to absorb sunlight for photosynthesis.
air sacs
What are 3 examples of nonrenewable resources provided in your class notes?
Coal, oil, gas
When water is going through a phase change, what happens to its temperature?
it stays the same
_____ is a phase change in which a liquid changes into a gas (hint: another name for boiling)
Vaporization
Water is the MOST dense at ____ degrees Celsius.
4
A (an) _____ is a part of an atom that has no charge.
neutron
_____ _____ is when an organism maintains its position in the water column. It doesn't sink to the bottom or float to the top.
Neutral buoyancy
Many marine animals in Earth’s Polar Regions are very dependent on the layer of frozen seawater called _____ _____.
sea ice
_____ _____ is when water is 'pushed out of the way' by something.
A vertical expanse of water stretching between the ocean surface and the seafloor.
Water column
Water is a ______ _______ molecule meaning it has 1 positively charged side and 1 negatively charged side.
polar covalent
A (an) _____ is formed when two or more atoms naturally bond together.
molecule
Contained within living organisms, water takes part in _____ _____ that carry out life processes.
chemical reactions
What is the primary source of food for most bottom-dwelling organisms?
Marine snow
Water can be referred to as a ______ _______ because it can dissolve many different substances.
universal solvent
When a substance goes from a solid to a gas without going through the liquid phase.
sublimation
A _____ _____ bond is formed when electrons are shared unequally.
polar covalent
A (an) _____ is a negatively charged particle in the outermost shell of an atom.
valence electron
The oceans we name are actually large, water covered areas between continents called _____.
basins