Question | Answer |
Heat is... | The TOTAL energy of randomly moving molecules |
Temperature is... | The measure of the AVERAGE speed of molecules |
The degrees most often used by scientists to measure temperature? | Celcius |
The amount of heat required to raise the temperature of a substance by a given amount. | Heat Capacity |
What happens to water's density as it freezes? | becomes less dense |
True or false- Most substances, other than water, get denser when frozen. | True |
Heat loss when water freezes without a change in temperature is called? | Latent heat of fusion |
The heat required to vaporize a substance is called? | Latent heat of evaporation |
The tendency for water to resist temperature change? | Thermal inertia |
Cooling at the same rate as heating is called? | Thermal equilibrium |
What two things make seawater more dense? | Low temperature and Salinity |
What happens to the density of seawater as you go deeper? | Becomes more dense |
What percentage of the ocean's volume is made up by the surface water? | 2% |
The boundary between layers of the ocean based on temperature? | Thermocline |
Particles in water absorb light and turn it into what? | Heat |
A zone of the ocean where sunlight never reaches. | Apothic |
True or false- Cool ocean temperatures make organisms live longer. | False |
What is an advantage of an Endotherm's metabolic rate? | It's rate stays the same. |
How much faster does sound travel through water than air? | 5 times faster |
The pressure you feel (not fish) as you go deeper in water. | Hydrostatic pressure |
What happens to the ratio of cell surface to volume as it's diameter increases? | Decreases |
Why is a high surface to volume ratio in cell's important? | It affects the efficiency of the cell membrane |
What is the importance of buoyancy on marine organisms? | It minimizes the effects of their weight. |
The most common adaptation of marine organisms for overcoming water resistance? | Streamlining their bodies |
Organisms can be be introduced to new habitats via the oceans by this. | Drifting |