Semkristalpres

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KRISTALLEN
SEM VOOST

Spree k be urt 16 m a a rt 2012

Hoofdstukken
1. Inleiding

2. Wat is een kristal?

3. Hoe ontstaan kristallen

4. Vormen van kristallen

5. Kleuren van kristallen

6. Edelstenen & geboortestenen

7. Kristallen om ons heen

8. Kristallen kweken

Inleiding

Amethist

Meneer Aalders
82 jaar

Wat is een kristal?

Dit zijn stenen met een bijzondere vorm

Vorm hangt af van de omstandigheden

Hebben ruimte nodig om te groeien

Ontstaan uit mineralen die kristalliseren

Hoe ontstaan kristallen

1. Mineralen oplossen in water => verdampt

2. Een vloeistof laten afkoelen => moleculen
gaan in rijtjes liggen

Vormen van Kristallen

In 2008 ontdekte men een grot met MEGA
Kristallen (SELENIET) in Mexico. Zie de
mens!

Kleuren van kristallen

Zwavel is meestal helder geel

Azuriet is altijd blauw

Robijn is rood

Saffier is blauw

Smaragd is groen

Edelstenen

Edelstenen zijn ook een soort kristallen:
geslepen

mooi

zeldzaam

schijnt licht door
Roze
diamant
???????? euro

Edelstenen

Edelstenen zijn ook een soort kristallen:
geslepen

mooi

zeldzaam

schijnt licht door
Roze diamant
34 miljoen euro!!

Geboortestenen

Iedere maand heeft zijn eigen steen

Sommige mensen geloven in de genezende kracht van kristallen. Andere
zeggen het is bijgeloof.

Kristallen om ons heen

Suiker

Zout

Sneeuw

Horloges

Computers

Kristallen kweken
Zout oplossen in heet water

Net zo lang roeren tot dat het niet meer oplost

Zout oplossing in doorzichtige kan doen

Stokje met touwtje & paperclip erin hangen

2 weken op de vensterbank

Water verdampt zoutkristal blijft aan het touwtje
zitten

Moleculen van een
Zoutkristal
http://youtu.be/IrqFAceRoQs

Voorbereiding

Eigen kristallen

2 Bibliotheek boeken gehaald

e-mail naar het Kristallen museum

Interview met meneer Aalders

Naar het museum Naturalis in Leiden

Naar Karbonkel: kristal kraken

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Semkristalpres

1. KRISTALLEN SEM VOOST Spree k be urt 16 m a a rt 2012

2. Hoofdstukken 1. Inleiding 2. Wat is een kristal? 3. Hoe ontstaan kristallen 4. Vormen van kristallen 5. Kleuren van kristallen 6. Edelstenen & geboortestenen 7. Kristallen om ons heen 8. Kristallen kweken

3. Inleiding Amethist Meneer Aalders 82 jaar

4. Wat is een kristal? Dit zijn stenen met een bijzondere vorm Vorm hangt af van de omstandigheden Hebben ruimte nodig om te groeien Ontstaan uit mineralen die kristalliseren

5. Hoe ontstaan kristallen 1. Mineralen oplossen in water => verdampt 2. Een vloeistof laten afkoelen => moleculen gaan in rijtjes liggen

6. Vormen van Kristallen In 2008 ontdekte men een grot met MEGA Kristallen (SELENIET) in Mexico. Zie de mens!

7. Kleuren van kristallen Zwavel is meestal helder geel Azuriet is altijd blauw Robijn is rood Saffier is blauw Smaragd is groen

8. Edelstenen Edelstenen zijn ook een soort kristallen: geslepen mooi zeldzaam schijnt licht door Roze diamant ???????? euro

9. Edelstenen Edelstenen zijn ook een soort kristallen: geslepen mooi zeldzaam schijnt licht door Roze diamant 34 miljoen euro!!

10. Geboortestenen Iedere maand heeft zijn eigen steen Sommige mensen geloven in de genezende kracht van kristallen. Andere zeggen het is bijgeloof.

11. Kristallen om ons heen Suiker Zout Sneeuw Horloges Computers

12. Kristallen kweken Zout oplossen in heet water Net zo lang roeren tot dat het niet meer oplost Zout oplossing in doorzichtige kan doen Stokje met touwtje & paperclip erin hangen 2 weken op de vensterbank Water verdampt zoutkristal blijft aan het touwtje zitten

13. Kristallen kweken

14. Vragen?

15. Moleculen van een Zoutkristal http://youtu.be/IrqFAceRoQs

16. Voorbereiding Eigen kristallen 2 Bibliotheek boeken gehaald e-mail naar het Kristallen museum Interview met meneer Aalders Naar het museum Naturalis in Leiden Naar Karbonkel: kristal kraken

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Editor's Notes