Doing homework for your kid eh?
here are my answers..not sure if these are creative enough..
Point,
-a mole on a cheek
-a fullstop at the end of a sentence
-the dot above the line in lower capital letter 'i'
-the "a" in braille ..or dot 1 in braille
Plane,
-the peanut butter spread on a piece of bread
-flat surface of a ribbon
-the movie screen in a cinema
-the reflective part of a mirror
-ice sheet in an ice skating rink
Line,
-edge of a strain of hair
-edge of a guitar string
-edge of a deep wrinkle on an old man's forehead
Collinear points,
-sun, moon and earth (when they aligned during an eclipse)
-the 3 stars of the Orion's belt
-buttons of a shirt
-number dials(1,2,3) on the telephone keypad
-the wheels of an inline skating shoe(rollerblades)
Concurrent lines,
-lines on a person's palm
-lines on a leaf
-blood veins lines on a person's hand
Parallel lines,
-the 2 vertical lines in the capital letter H
-two legs of a pair of pants
-the 2 vertical lines of the capital letter N
-the 2 horizontal lines of the capital letter F
-white lines on a zebra crossings
-the two horizontal lines = in the emoticon smiley =)
intersecting lines
-two lines of an X or t
-two fingers/straight legs crossing
-etc