Chemistry
Hg is the chemical symbol for this element.
Mercury
The largest planet in our solar system.
Jupiter
A fertilized cell.
Zygote
Neutralizes a base.
Acid
Two electrodes and an electrolyte.
A cell
The total amount of protons in an atom.
Atomic number
The ancient view of the universe where earth is the centre and all celestial bodies rotate around us.
Geocentric model
Creation of new life from one organism with genetic information from one parent only.
Asexual reproduction
The dose of a chemical required to kill 1/2 of the population to which it is applied.
LD50
These circuits have multiple pathways for electrons to follow.
Parallel circuits
This family of elements all have a stable number of electrons in their outer shell therefore they seldom are involved in chemical reactions.
Noble gases
Connecting radio telescopes across a distance to create the effect of one very large telescope is a method known as this.
Interferometry
A close relationship between two different species in which one partner is unaffected and the other benefits.
Commensalism
Organisms that are sensitive to changes in their environments so they can be used to gauge the health of the ecosystem.
Biological indicators
Materials that do not conduct electricity effectively.
Insulators
Release of heat in a chemical change.
Exothermic reaction
The term used to describe what happens to light as a star moves towards us.
Blue shifted
Skin colour is an example of this kind of trait.
Continuous variation
What the four Rs stand for.
Reduce, Reuse, Recycle, Recover
Two different metals joined at a junction that can convert heat into electricity.
Thermocouple
The chemical name for aspirin.
Acetylsalicylic acid
This is an example of an artificial satellite.
Hubble telescope
These are the nitrogen base pairings.
A-T C-G
These human made pollutants are very stable so they persist in the atmosphere for many years and they break down ozone.
CFC’s - chlorofluorocarbons
This safety device has a bimetallic strip that curls to stop the flow of electricity if overheating occurs.
Circuit breaker