Water
This is the chemical formula for water.
H20
This colourful cube puzzle was invented by Ernő Rubik.
Rubik's Cube
This part of a tree carries water from the roots to the leaves.
The trunk
This process turns liquid water into water vapour.
Evaporation
This toy line, introduced in 1983, featured small colourful creatures living in a magical kingdom called Dream Valley.
My Little Pony
This type of tree produces acorns.
oak tree?
This ocean current transports warm water from the Gulf of Mexico across the Atlantic Ocean.
the Gulf Stream?
This toy, patented in 1958 by Wham-O, was inspired by Australian bamboo.
Hula hoop
These rings inside a tree trunk can be used to estimate its age.
Growth rings