Page 15 - ICC Science Dictionary (spreads)

Word Definition Topic(s) Word Definition Topic(s)

concentration The concentration of a solution B1a, B1b, C3, conservation Keeping the environment healthy B7a, B7b
tells us how much of a substance is C4, C6, C7, and productive by careful use
dissolved in water. The higher the C8, C10 of its resources and preventing
concentration, the more particles extinctions.
of the substance are present. conservation The principle that the total energy of P3

concentration The difference in the B1a, B1b, B2 of energy a system stays the same, that energy
gradient concentration of a chemical cannot be created or destroyed
across a membrane. (only stored or transferred).

concordant Titres within 0.20 cm³ (or sometimes C4 conservation The total mass of reactants before C1
titres 0.10 cm³) of each other. of mass a reaction is equal to the total

condensation A change of state in which gas TC2, C1, C7, mass of products after a reaction,
becomes liquid by cooling. P3, C9 because no atoms can be
created or destroyed so the mass
condensation Chemical reaction in which C7 must remain unchanged.
polymerisa- monomers (small molecules) join
tion together to produce a polymer and conservation The principle that the total P5
a small molecule such as water. of momentum momentum of a system remains
the same. When bodies collide,
conduct To allow electricity, heat or other C2 whatever momentum is lost by
energy forms to pass through. one body, the other gains in equal

conduction The transfer of heat through a P6 amounts.
material by transferring kinetic consumer Animal that eats other animals or TB2
energy from one particle to another. plants.
conductor A material which allows heat or TC4 contact force Force exerted between two TP4, P5
electricity to pass through it. objects when they are touching.

An electrical conductor is C2, C4, C10 contaminated A substance is contaminated if P4
a material which allows an another substance is mixed or
electrical current to pass through dispersed within it.
it easily. It has a low resistance.
A material which allows charge to P1, P2, P6, P7
move easily through it.