Page 43 - ICC Science Dictionary (spreads)

Word Definition Topic(s) Word Definition Topic(s)
multiple A condition, usually autoimmune, B1a, B1b National Grid The network that connects all of P2, P7
sclerosis in which the myelin sheaths of the the power stations in the country
neurones of the brain and spinal to make sure that everywhere has
cord are damaged by cells of access to electricity.
the immune system, reducing the natural gas A naturally occurring hydrocarbon C9, C10
transmission of nerve impulses, and gas mixture.
leading eventually to paralysis.
natural A group of specialised cells that B2
muscular- Muscles and bones working TB1
skeletal together to cause movement and pacemaker generates electrical impulses that
system support the body pass through the heart muscle
and make the heart contract.
mutation A change in the structure of a B2, B3, B6,P4
gene, chromosome or number of natural Minerals that have been made C10
chromosomes. resources through the formation of the world
that can be used for human benefit.
mycelium The network of hyphae produced B4
by a fungus. natural The natural process whereby the TB3, TB6, B6
selection best-adapted individuals survive
myeloma Cancerous white blood cells used B3 longer, have more offspring and
cells in the formation of monoclonal thereby pass on their genes to
antibodies. the next generation. Sometimes

name Only a short answer is required, not Command referred to as 'survival of the fittest'.
an explanation or a description. word nebula A cloud of gas and dust in outer P8
Often it can be answered with a space. If massive enough, these
single word, phrase or sentence. can collapse under gravity to form
nanoparticles Tiny particles which are between C2 a protostar.
1 and 100 nanometres (nm) in size. negative A mechanism where changes B5
nanoparticu- Useful substances containing C2 feedback to conditions cause an action
late materials nanoparticles. to reverse the change, to keep
conditions stable.
nanoscience The study of structures between 1 C2
and 100 nanometres (nm) in size. negative Mechanism to lower raised B5
feedback levels of something, and to raise
nanotubes Long cylindrical molecules C2 mechanism reduced levels of something.
made from carbon atoms joined
together by covalent bonds. nerve Electrical signals that travel along B4
impulses the nerve fibre from one end of
the nerve cell to the other.