Energy efficiency
This is the ability to do work
What is energy?
This type of circuit has only one path for current to flow.
What is a series circuit?
Diseases caused by pathogens are called this.
What are infectious diseases?
This term describes diseases passed down through DNA.
What are genetic diseases?
This term describes substances found in the Earth that have a definite chemical composition.
What are minerals?
These diagrams use arrows to show energy transfers and losses.
What are Sankey diagrams?
This device automatically cuts off electricity when a fault occurs.
What is a circuit breaker?
Diabetes and asthma are examples of this type of disease.
What are non-infectious diseases?
This virus caused a global pandemic starting in 2019.
What is COVID-19?
Coal, oil, and natural gas are examples of this type of resource.
What are non-renewable resources?
Adding insulation to a house reduces this type of energy loss.
What is heat (loss)?
This device changes voltage levels in a circuit.
What is a transformer?
A disease that is constantly present in a population is called this.
What is an endemic?
Pathogens that cause disease include viruses, bacteria, fungi, and these tiny organisms.
What are parasites?
This Australian mineral is a source of aluminium.
What is bauxite?
A machine uses 200 J of energy and outputs 150 J of useful energy, its efficiency is this percentage.
What is 75%?
This instrument measures current in a circuit.
What is an ammeter?
A lack of vitamin C causes this disease.
What is scurvy?
Air pollution can lead to this chronic respiratory disease.
What is asthma?
The number of protons in an atom is called this.
What is the atomic number?
This formula calculates efficiency: useful energy output divided by this.
What is total energy input?
This quantity is measured in volts and represents the energy per charge.
What is voltagea / potential difference?
This skin cancer is often caused by excessive UV exposure.
What is melanoma?
Skin, mucous, and stomach acid are all examples of this.
What is the first line of (immune) defence?
Ionic compounds generally have this property compared to covalent compounds.
What is high melting point?