Week 9

Water

100

This is the chemical formula for water.

H20

200

This process turns liquid water into water vapour.

Evaporation

300

This ocean current transports warm water from the Gulf of Mexico across the Atlantic Ocean.

the Gulf Stream?

Toys

100

This colourful cube puzzle was invented by Ernő Rubik.

Rubik's Cube

200

This toy line, introduced in 1983, featured small colourful creatures living in a magical kingdom called Dream Valley.

My Little Pony

300

This toy, patented in 1958 by Wham-O, was inspired by Australian bamboo.

Hula hoop

Trees

100

This part of a tree carries water from the roots to the leaves.

The trunk

200

This type of tree produces acorns.

oak tree?

300

These rings inside a tree trunk can be used to estimate its age.

Growth rings