Aquatic Ecosystem
Define the term “aquatic.”
What is living in or relating to water?
The part of the atom that contains only electrons
The outer shell or orbit
An example of soft water
rain ,river
A synthetic fiber used in packaging
polythene
The chemical symbol for Zinc.
Zn
Define the term “ecosystem.”
a community of living organisms interacting with their physical environment?
This particle gives the atom a positive charge
proton
Hard water can be softened using this method.
boiling or adding washing soda
A problem caused by plastic pollution.
harming marine life or blocking waterways
Water is made from these two elements.
hydrogen and oxygen
Name one way humans harm organisms in aquatic ecosystem
dumping waste or causing water pollution?
n solids, particles are packed in this way.
tightly packed
One mineral found in hard water
Calcium or magnesium
One solution to reduce plastic pollution.
recycling or using biodegradable materials
Overhead wires hang loosely due to this factor
thermal expansion
State another way humans can negatively affect aquatic life.
overfishing or destroying habitats like coral reefs?
An atom with 6 protons and 6 neutrons has this atomic number
6
Soap is made from water, oil, and this substance
sodium hydroxide (lye)
Plastic is flexible, low density, and an_________.
insulator
he process of solid turning to liquid
melting
One method to protect aquatic organisms is by creating these restricted water areas
marine protected areas or reserves?
Calculate the number of neutrons in an atom with mass number 23 and atomic number 11.
12
Detergents are more effective than soaps in this type of water
Hard water
This synthetic material is transparent, hard, and used in window
glass
When heated, particles move faster and spread apart. This explains what observation
expansion of air or rising level of colored water