Page 29 - ICC Science Dictionary (spreads)
P. 29

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

         freezing        When a liquid becomes a solid as    TC2                               fungi           A large group of eukaryotic         B3, B4, B6
                         the particles have less energy, so                                                    organisms that contain single-celled
                         move less.                                                                            yeasts, moulds and mushrooms.
         frequency       The number of waves produced in     TP2, P2, P6, P7                   fungicide       A chemical which kills fungi.       B3
                         one second measured in hertz (Hz).
                                                                                               fungus          A large group of eukaryotic         B4, C7
                         The total number of times an event  B2, C6                                            organisms that contain single celled
                         occurs.                                                                               yeasts, moulds and mushrooms.

         friction        The force when surfaces move or     TP4, P1, P2, P5                   fuse            An electrical component that        P2
                         rub against each other, it is called                                                  protects circuits and electrical
                         'drag' if one surface is a fluid. It                                                  devices from overload by melting
                         prevents movement and converts                                                        when the current becomes too high.
                         kinetic energy to thermal energy.
                                                                                               Galapágos       Islands in the Pacific Ocean,       B6
         fruit           Structure that the ovary becomes    TB2                               Islands         visited by Charles Darwin.
                         after fertilisation, which contains
                         seeds.                                                                galaxy          Cluster of billions of stars held   TP5, P8
                                                                                                               together by gravity. Our galaxy is
         FSH             Follicle Stimulating Hormone. It    B5                                                called the Milky Way.
                         stimulates oestrogen production
                         and the growth of follicles (egg-                                     gall bladder    Stores bile before releasing it into   B2
                         sacs) in the ovary. It is secreted by                                                 the duodenum.
                         the pituitary gland.                                                  galvanisation   Coating iron or steel with a layer   C10
                                                                                                               of zinc to prevent rusting.
         fuel            Material that is used to produce    C3, C5, C7,
                         heat, like coal, oil or gas.        C9, C10                           gamete          Sex cell (sperm in males and ova/   TB1, TB3, B6
                                                                                                               eggs in females).
         fuel cell       Device that produces a voltage      C5
                         continuously when supplied with a                                     gamma           A type of ionising radiation that   P4
                         fuel and oxygen.                                                                      is also part of the EM spectrum. It
         fullerenes      Molecules of carbon with hollow     C2                                                has no mass.
                         shapes. Their structures are based                                    gamma ray       The shortest wavelength and         P4
                         on hexagonal rings of carbon                                                          highest energy part of the
                         atoms.                                                                                EM spectrum. Produced by

         functional      An atom, or group of atoms, that    C7                                                radioactive materials.
         group           determines the main chemical                                          gear            A toothed wheel used with other     P5
                         properties of an organic compound.                                                    gears to turn axles at different speeds.
   24   25   26   27   28   29   30   31   32   33   34