Chemical Reactions
A type of chemical reaction to replace a metal in a metal salt with a more reactive metal.
Displacement reaction
The most abundant gas in Earth's atmosphere
Nitrogen
A square tool used to measure the abundance of a species in a given area
Quadrat
The type of energy store in food and fuels
Chemical potential energy
A type of cell that contains no membrane bound organelles
Prokaryotic cell
Higher temperature, Increased concentration, Increased surface area, Higher pressure
A greenhouse gas
Carbon dioxide, Water, Methane
A type of organism that produces its own food (glucose)
Producer
A category of material that limits energy transfer
Insulator (or poor conductor)
The site of aerobic respiration in cells
Mitochondria
This slope on a graph represents the rate of a chemical reaction
Gradient
The process of removing salt from salt water to produce potable water.
Desalination
An example of a decomposer
Fungi or Bacteria
The energy efficiency of a kettle that converts 1000J of electrical energy into 800J of thermal energy and 200J of sound energy
0.8 or 80%
The site of protein synthesis
Ribosomes
A substance that is added to increase the rate of a chemical reaction by lowering the activation energy required, but not used up in the reaction
Catalyst
The worded equation for aerobic respiration
Glucose + Oxygen --> Carbon dioxide + Water
The interactions within a community of organisms and their environment.
Ecosystem
The amount of energy required to heat 1kg of a substance by 1oC
Specific heat capacity
A type of cell division that produces gametes
Meiosis
The rate of reaction when 180cm3 of gas is produced in 60 seconds.
180/60 = 3cm3/s
A type of separation technique which uses electrodes to separate cations from anions.
Electrolysis
The term used to describe harmful chemicals building up in a food chain/food web, eventually leading to death
Bioaccumulation
The amount of energy required to increase 1kg of water by 1oC
4,200J
The worded equation for anaerobic respiration in animals
Glucose --> Lactic acid