One example is the picture book, Mathematickles by Betsy Franco [JP FRA], a collection of poems written in the form of math problems and grouped according to seasonal themes.
Another is Comets, Stars, the Moon, and Mars: Space Poems and Paintings, by Douglas Florian [J 811.54 FLO].
Nine hundred degrees.
Nothing can live there,
of acid above.
Why was it named for
the goddess of love?
Fun, huh? And, this nice introduction to Venus may start a kid off on a little study of the planet.
Adults too, can find the weighty topics of math and science covered in poems. Verse and Universe: Poems about Science and Mathematics [811.008 VER] contains poems divided into categories such as "Space," "Time," and "Matter." Here's a little taste of the poem by Charles Harper Webb called "Persistence of Sound":
Sounds never die, some scientists say.
They fade from hearing, but keep rolling up
and down--smaller and smaller waves--forever.
Churchill orating, "We will never surrender,"
Nixon whining, "I am not a crook,"
Caruso singing Vesti la giubba,
That should give you something to think about!