Sheet #32

1. 01

   ReferenceLabrador retriever57 cm

   To size upSunflower2 m

   Measured Height of a cultivated sunflower

   Young sunflowers track the sun; mature ones stay facing east.

2. 02

   ReferenceSemi-trailer truck16.5 m

   To size upGiraffe5 m

   Measured Total height of an adult giraffe

   Its neck has only 7 vertebrae, just like ours.

3. 03

   ReferenceChair90 cm

   To size upPerseverance rover3 m

   Measured Length of the Mars rover Perseverance

   On Mars it produced the first oxygen ever made on another planet.

4. 04

   ReferenceWhite rhinoceros1.8 m

   To size upUSB flash drive6 cm

   Measured Length of a common USB flash drive

   A 1 TB drive holds the equivalent of more than 1,400 CD-ROMs.

5. 05

   ReferencePizza33 cm

   To size upStonehenge trilithon7.3 m

   Measured Height of the tallest Stonehenge trilithon

   The bluestones were brought from Wales, 250 km away.

Play today's sheetAll past sheets