Sheet #46

1. 01

   ReferenceTwo-storey house8 m

   To size upBottlenose dolphin2.8 m

   Measured Length of an adult bottlenose dolphin

   It sleeps one brain hemisphere at a time, so it keeps breathing.

2. 02

   ReferenceMonarch butterfly10 cm

   To size upWater bottle32 cm

   Measured Height of a 1.5 L water bottle

   Full, it weighs a little over 1.5 kg.

3. 03

   ReferenceEmpire State Building381 m

   To size upSpace Needle184 m

   Measured Height of the Space Needle, Seattle

   Built for the 1962 World's Fair, it withstands winds of 320 km/h.

4. 04

   ReferenceGreat white shark4.6 m

   To size upGiant sequoia83.8 m

   Measured Height of the giant sequoia "General Sherman"

   It is the largest tree in the world by wood volume.

5. 05

   ReferenceAdult hand18.9 cm

   To size upStonehenge trilithon7.3 m

   Measured Height of the tallest Stonehenge trilithon

   The bluestones were brought from Wales, 250 km away.

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