'The ballet "Jeu de Cartes" features dancing playing cards, & this one is the "trickster" of the pack'
the joker
200
'Alvin, Simon & Theodore'
chipmunks
200
'"Swing your partner" & "do-si-do"; it's the state dance of Oregon & Alabama'
square dance
200
'You can have a deja entendu, meaning "already heard" in addition to this, "already seen"'
deja vu
200
'(Cheryl of the Clue Crew reports from Colorado) As snowflakes are frozen water vapor, they're made up of these 2 chemical elements'
hydrogen & oxygen
400
'The longer "romantic" version of this ballet garment was inspired by the one Taglioni wore in the 1830s'
tutu
400
'Heathcliff'
cat
400
'Its state song is "The Old North State"'
North Carolina
400
'Some people won't give blood due to belonephobia, fear of these'
needles
400
'The forked type of this runs unobstructed between the clouds & the ground'
lightning
600
'A ballet blanc, such as "La Sylphide", traditionally features costumes of this color'
white
600
'Pumbaa'
warthog
600
'If you "Show Me" some mozarkite, I'll tell you that it's this state's state rock'
Missouri
600
'This measurement was originally measured by dividing mental age by calendar age'
IQ (intelligence quotient)
600
'(Sofia of the Clue Crew reports from New York's Central Park) Autumn leaves turn golden red as shorter days & cooler nights cause the breakdown of this green pigment'
chlorophyll
800
'From the French meaning "to bend", this basic bending movement prepares a dancer to spring high into the air'
plie
800
'Babar'
elephant
800
'This "sweet" state tree of Vermont is an important source of syrup'
sugar maple
800
'By definition, a hypnagogic hallucination occurs while you're about to do this'
fall asleep
800
'The frequency of a note is measured in this, abbreviated Hz'
hertz
1000
'French sculptor whose art inspired "The Eternal Idol" (hmmm...that's a "Thinker")'
Auguste Rodin
1000
'Franklin on Nickelodeon'
turtle
1000
'The juice of this bog fruit is Massachusetts' state beverage'
cranberry
1000
'Erik Erikson's concept of this type of "crisis", in which you're not sure who you are, is associated with adolescence'
identity crisis
1000
'(Sofia of the Clue Crew reports) Botanists divide a flower into four main parts: sepals, petals, stamens & these'