to collect and examine information about something

a written account in which someone describes personal experiences

A series of actions that lead to a particular result

The author's message about the topic

a stick with a weight at the bottom that swings back and forth

a belief or opinion that does not agree with the official belief

to find out facts about something

a device shaped like a long tube that you look through in order to see things that are far away

the act or process of moving faster

to be out of true proportion or unnatural process

the system of planetary motions, which the Earth rotates and revolves

natural force that causes things to fall towards the Earth

something that is more important than other things

the act of finding something or learning something for the first time

a large metal disc that makes a ringing sound when it is struck

a part of a machine that turns around a central point

the lesson the author is trying to teach

an idea that explains facts or events

to make an educated guess based on predictions, observations, and experiments