Wednesday, August 19, 2009

How big is a mol? (6.022 E 23)

  • 1 mole of marshmallows would be enough marshmallows to make a 19 km (12 mi) thick layer of marshmallows covering the entire face of the Earth.
  • 1 mole of popcorn kernels could be spread uniformly over the USA if the thickness of the layer was about 14 km (9 mi).
  • 1 mole of donut holes would cover the earth and be 8 km (5 mi) deep.
  • 1 mole of blood cells would be more than the total number of blood cells found in every human on earth.
  • 1 mole of sheets of paper could form a million stacks from the surface of the earth, all that would pass the sun.
  • 1 mole of pennies could be distributed to all the currently-living people of the world so that they could spend a million dollars per hour every hour (day and night) for the rest of their lives.
  • Stacking 6.0221415 × 10^23 papers on top of each other would take you to the sun and back 1,851,083,193 times.
  • Stacking a atom on top of each other 6.0221415 × 10^23 times would take you to the moon and back 836,409 times.
  • Stacking 6.0221415 × 10^23 rulers (long side up) would take you to Proxima Centauri (the nearest star) 5,309,193 times.
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The IB Learner Profile

THE IB LEARNER PROFILE

Inquirers: They develop their natural curiosity. They acquire the skills necessary to conduct inquiry and research and show independence in learning. They actively enjoy learning and this love of learning will be sustained throughout their lives.

Knowledgeable: They explore concepts, ideas and issues that have local and global significance. In so doing, they acquire in-depthknowledge and develop understanding across a broad andbalanced range of disciplines.

Thinkers: They exercise initiative in applying thinking skills critically and creatively to recognize and approach complex problems, and make reasoned, ethical decisions.

Communicators: They understand and express ideas and information confidently and creatively in more than one language and in a variety of modes of communication. They work effectively and willingly in collaboration with others.

Principled: They act with integrity and honesty, with a strong sense offairness, justice and respect for the dignity of the individual, groups and communities. They take responsibility for their own actions and the consequences that accompany them.

Open-minded: They understand and appreciate their own cultures and personal histories, and are open to the perspectives, values and traditions of other individuals and communities. They are accustomed to seeking and evaluating a range of points of view, and are willing to grow from the experience.

Caring: They show empathy, compassion and respect towards theneeds and feelings of others. They have a personal commitment to service, and act to make a positivedifference to the lives of others and to the environment.

Risk-takers:They approach unfamiliar situations and uncertainty with courage and forethought, and have the independence of spirit to explore new roles, ideas and strategies. They are brave and articulate in defending their belief

Balanced: They understand the importance of intellectual, physical and emotional balance to achieve personal well-being forthemselves and others.

Reflective: They give thoughtful consideration to their own learning and experience. They are able to assess and understand their strengths and limitations in order to support their learning and personal development.