Aquarium Basics
What is the primary function of an aquarium filter?
to remove waste and toxins
Avoiding sudden changes in water temperature
What are the 3 main reasons for seafaring?
Food, Trade, Exploration
Ancient Trade and exploration were often limited to:
Coastal Areas and seasonal windows
The phase change of water from solid to gas is called:
Sublimation
Heaters in an aquarium are essential for maintaining appropriate temperatures for:
Fish survival and well being
Overfeeding fish can lead to:
Excess waste and poor water quality
Ancient Egyptian boats were primarily constructed from:
Papyrus
1 oxygen and 2 hydrogen atoms
Water is often called a "universal solvent" because it can dissolve:
a wide range of substances
What purpose does substrate serve in an aquarium?
Providing a surface for beneficial bacteria, and anchoring plants
Name 3 ancient seafaring navigation tools
Landmarks, ocean currents, Sun, Shorebirds, Constellations, Cloud Formations
Phoenician boats were made with:
Durable wood for long-distance travel
Water's polarity allows it to form:
Hydrogen Bonds
Salinity in ocean water is typically measure in:
Parts per Thousand (ppt), 0/00
How much water is typically changed during regular aquarium maintenance?
About 25% 1-2 x per week if needed
Saltwater tanks require more complex filtration systems because:
Saltwater has a higher salinity and different chemical balances.
Polynesians navigated by using:
Natural tools such as stars, wave patterns and birds
Water's high specific heat means it:
moderates temperature changes
Ocean salinity can decrease due to:
River water input, precipitation, ice melting
Which tanks generally require less frequent maintenance?
Freshwater tanks
Seafaring is defined as:
Navigating and traveling by sea for trade and exploration
The invention of the _______in ________ revolutionized navigation.
Sextant in the 1700s
When water freezes, its density:
decreases, causing ice to float
Where is oxygen saturation highest? surface or bottom of the ocean?
surface