Why is most natural water not considered “pure water”?, Because it contains dissolved substances, Because it is always salty, Because it is always frozen, Because it has no hydrogen, Which sequence correctly shows water cooling changes of state?, Liquid → gas → solid, Gas → liquid → solid, Gas → liquid → gas, Solid → gas → liquid, What is the correct order of density behavior in water (unusual property)?, Solid water is denser than liquid water, Gas water is denser than liquid water, Liquid water is denser than solid water, All states have the same density, Which process is NOT part of the water cycle stages?, Condensation, Transpiration, Combustion, Precipitation, What role does gravity play in the water cycle?, It causes evaporation from oceans, It moves water from clouds to Earth and from land to oceans, It heats water to form vapor, It creates clouds in the troposphere, What is infiltration in the water cycle?, Water evaporating from plants, Water becoming clouds, Water entering the ground, Water freezing into snow, Why is most freshwater on Earth not available for human use?, It is evaporated in the atmosphere, It is inside clouds, It is all polluted, It is trapped in glaciers and groundwater, Which percentage represents usable freshwater?, 0.4% of freshwater, 97.5% of freshwater, 2.5% of all water, 98.8% of all water, A small insect is able to walk on the surface of a pond without sinking. Which property of water is mainly responsible for this phenomenon?, High thermal capacity, Universal solvent capacity, Incompressibility, Strong surface tension , Which statement about thermal capacity is correct?, Water heats and cools quickly, Water does not change temperature, Water heats and cools slowly, Water cannot absorb heat, A plant can transport water from its roots to its leaves through very thin vessels. Which property of water makes this possible?, High thermal capacity, Surface tension, Distillation, Capillarity, Which statement best explains why ice floats?, Ice has more mass than liquid water, Ice is warmer than liquid water, Ice has lower density than liquid water, Ice is compressed liquid water.

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