Christmas andscience Paloma Ramírez

Post on 29-Jun-2015

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Transcript of Christmas andscience Paloma Ramírez

CHRISTMAS AND SCIENCE

Do you know the relationship

between Christmas and Science?

1. Star of Bethlehem

One event that has interested scientists through the ages is the Star of Bethlehem. Is there a scientific explanation for what the Magi saw?

What is the Star of Bethlehem?

The light from the star served as a guide to the shepherds and the Three Wise Men (the Magi) to Bethlehem.

Scientific possibilities of the Star

METEORS

COMETS

SUPERNOVAE

CONJUNCTION OF PLANETS

Possible explanations

2. Santa Claus at nearly the speed of light

Santa has a big delivery problem!!

A little bit of Maths...

2 billion children in the world

2.5 children per household

800 homes around the world

160 million kilometers

Thanks to the rotation of Earth, Santa has more

time than children might initially

think…

3. The Winter Solstice

The shortest day of the year

The farther north you go, less hours of daylight you will have.

Midnight Sun

4. The Christmas Tree

Evergreen coniferous tree

Types of trees: FIR PINE CEDAR SPRUCE

Do you know these trees?

Let's see them closer!

5. Snowflakes

Snowflakes form when water vapor in the air cools and condenses into drops of water

Each drop freezes into a tiny ice crystal

The temperature and amount of water vapor determines the shape of snow crystals

Beautiful, Incredible, Amazing...

NOW, IT'S TIME TO WORK...

MERRY CHRISTMAS AND A HAPPY NEW YEAR!