3-6 knowing more 3.2

• Natuurkunde
• Middelbare school
• havo, vwo
• Leerjaar 2

Knowing more 3.2 (blz 118)

Whre does the suns energy come from?

Nuclear fusion

- Hydrogen gas forms helium gas under high temperature and pressure (15 milion degrees celcius)

Nuclear fusion on earth

It is possible but difficult because:

• the neccesary temperature is so high (all known substances evaporate) and
  
• the pressure is very high
  

Test setup germany - briefly have a nuclear reaction take place

In France a larger test station is being built.

1L seewater gives as much energy as 300L of petrol

Hydrogen bom

Nucleas fusion is also applied in the hydrogen bomb.

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Without oxygen the sun can not give light.

1. true
2. false

The temperature of the sun is much higher than the temperature of a camp fire.

1. true
2. false

Nuclear fusion is impossible on earth

1. true
2. false

Nuclear fusion gives of more energy than combustion

1. true
2. false

the Dutch nuclear power stations with with nuclear fusion

1. true
2. false

Now try from the textbook

35, 36 and 37. 

You dont have to hand in a photo today.

How was the lesson? Any questions?