Patterns and Numbers in Nature

Which of the following best defines a pattern?

• Random arrangement of shapes

• Regular, repeated, recurring form or design

• Completely unique and unrepeatable

• Chaotic sequence of events

What type of symmetry does the human body have?

• Radial symmetry

• Rotational symmetry

• Bilateral symmetry

• Spherical symmetry

How many lines of symmetry does bilateral symmetry have?

• One

• Two

• Three

• Infinite

Which famous artwork by Leonardo da Vinci shows human body symmetry?

• Mona Lisa

• The Last Supper

• Vitruvian Man

• The Starry Night

A snowflake usually has what type of symmetry?

• Five-fold

• Six-fold

• Three-fold

• Four-fold

What is the smallest angle a shape can be rotated and still look the same called?

• Angle of incidence

• Angle of elevation

• Angle of rotation

• Angle of reflection

What natural structure is a classic example of a packing problem?

• Coral reef

• Honeycomb

• Snail shell

• Sand dunes

Which scientist proposed that animal skin patterns are caused by chemical reactions and diffusion processes?

• Charles Darwin

• Isaac Newton

• Allan Turing

• Albert Einstein

The spiral pattern of sunflower seeds helps them maximize:

• Color and scent

• Storage space

• Access to light and nutrients

• Resistance to pests

What is the shape of a snail’s shell called?

• Golden rectangle

• Equiangular spiral

• Concentric circle

• Archimedean spiral