capsule: (n.) the place where people get into when taking a London Eye ride
theory: (n.) an idea or set of ideas that is intended to explain facts or events.
antler: (n.) a horn with parts like branches that grows on the head of a deer.
slope: (n.) ground that slants downward or upward.
slippery: (adj.) having a surface smooth or wet enough to make holding onto, moving, or standing on difficult.
upright: (adj.) straight up or vertical.
fasten: (v.) to attach one thing to another.
record: (n.) information about someone or something that is stored
pulley: (n.) a piece of equipment for moving heavy objects up or down.
track: (n.) a narrow path or road.
troop: (n.) a group of soldiers.
solstice: (n.) one of the two times during the year when the sun is farthest north or south of the equator.
pottery: (n.) objects (such as bowls, plates, etc.) that are made out of clay usually by hand and then baked at high temperatures so that they become hard.
borough: (n.) a town or a division of a large town.