Fun Facts:
Special effects can change a person from 20 to 80! If you think a movie is weird, just think about the special effects. Do you think it was hard doing it? Don't judge a person either! A person could be playing a 100 year old when they're only 20!
3D animation and photographic tricks help small things seem large.
They make molds out of foam and liquid rubber, and use the mold to make a whatever.
For larger things they use reflective dots to serve as reference points for laser scans.
There are chemicals in popcorn that make its smell fill the whole theater.