accelerate To experience a change in velocity (speed).
acceleration A change in the speed or direction of some object.
arachnid A group of invertebrate animals that includes spiders, scorpions, mites and ticks. Many have silk or poison glands.
colleague Someone who works with another; a co-worker or team member.
insect A type of arthropod that as an adult will have six segmented legs and three body parts: a head, thorax and abdomen. There are hundreds of thousands of insects, which include bees, beetles, flies and moths.
physical (adj.) A term for things that exist in the real world, as opposed to in memories or the imagination. It can also refer to properties of materials that are due to their size and non-chemical interactions (such as when one block slams with force into another).
physics The scientific study of the nature and properties of matter and energy. Classical physics is an explanation of the nature and properties of matter and energy that relies on descriptions such as Newton’s laws of motion. A scientist who works in such areas is known as a physicist.
prey (n.) Animal species eaten by others. (v.) To attack and eat another species.
rainforest Dense forest rich in biodiversity found in tropical areas with consistent heavy rainfall.
spider A type of arthropod with four pairs of legs that usually spin threads of silk that they can use to create webs or other structures.