Today's Rocket Words: Your 5 words and meanings to learn
polymer
Substances which are either synthetic or natural that contain huge molecules.
low density
Something which has low mass or density.
high density
Something which has high mass or density.
ethane
Gas which is flammable and colourless with components of natural gas and petroleum.
thermosoftening
Plastic polymer which can be mouldable and pliable when heated up then upon cooling solidifies.