Lesson 4 — Chemistry

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

Science period  2 — Chemistry

Science period  2 — Chemistry

This lesson

• Recap
  
• What is chemistry
• Substance properties
• Worksheet
• Bonus question

Recap

Physical vs. Chemical changes

Physical vs. Chemical changes

Physical changes:

• The material involved in the process is the same before and after the change.
• No new substance is formed

Chemical changes

• The material involved in the proces is not the same before and after the change.
  
• One or more new substance are formed
  

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What is chemistry?

What is chemistry?

Chemistry is the study of matter and how it interacts.

Types of matter

What types of matter are there?

How can we organise them?

https://www.google.com/url?

https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.quora.com%2FWhy-does-oil-sprea0CBIQjRxqFwoTCNip35yuzoMDFQAAAAAdAAAAABAD

https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.quora.com%2FWhy-does-oil-sprea0CBIQjRxqFwoTCNip35yuzoMDFQAAAAAdAAAAABAD

https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.quora.com%2FWhy-does-oil-sprea0CBIQjRxqFwoTCNip35yuzoMDFQAAAAAdAAAAABAD

https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.quora.com%2FWhy-does-oil-sprea0CBIQjRxqFwoTCNip35yuzoMDFQAAAAAdAAAAABAD

Substance properties

What are some ways we can distinguish differente substances?

Substance properties

• Colour
  
• Density
  
• Boeing point & melting point
  
• Electric conductivity
  
• Thermal conductivity
  
• Flammability 
  
• Acidity
  

Substance properties

• Colour — The colour of a substance
  
• Density
  
• Boiling point & melting point
  
• Electric conductivity
  
• Thermal conductivity
  
• Flammability 
  
• Acidity
  

Substance properties

• Colour — The colour of a substance
  
• Density — How dense a substance is, the amount of mass per volume
  
• Boiling point & melting point
  
• Electric conductivity
  
• Thermal conductivity
  
• Flammability 
  
• Acidity
  

Substance properties

• Colour — The colour of a substance
  
• Density — How dense a substance is, the amount of mass per volume
  
• Boiling point & melting point — The temperature at which a substance boils or melts
  
• Electric conductivity
  
• Thermal conductivity
  
• Flammability 
  
• Acidity
  

Substance properties

• Colour — The colour of a substance
  
• Density — How dense a substance is, the amount of mass per volume
  
• Boiling point & melting point — The temperature at which a substance boils or melts
  
• Electric conductivity — A substance capacity to conduct electricity
  
• Thermal conductivity
  
• Flammability 
  
• Acidity
  

Substance properties

• Colour — The colour of a substance
  
• Density — How dense a substance is, the amount of mass per volume
  
• Boiling point & melting point — The temperature at which a substance boils or melts
  
• Electric conductivity — A substance capacity to conduct electricity
  
• Thermal conductivity — A substance capacity to conduct heat
  
• Flammability 
  
• Acidity
  

Substance properties

• Colour — The colour of a substance
  
• Density — How dense a substance is, the amount of mass per volume
  
• Boiling point & melting point — The temperature at which a substance boils or melts
  
• Electric conductivity — A substance capacity to conduct electricity
  
• Thermal conductivity — A substance capacity to conduct heat
  
• Flammability — how easily something catches on fire
  
• Acidity
  

Substance properties

• Colour — The colour of a substance
  
• Density — How dense a substance is, the amount of mass per volume
  
• Boiling point & melting point — The temperature at which a substance boils or melts
  
• Electric conductivity — A substance capacity to conduct electricity
  
• Thermal conductivity — A substance capacity to conduct heat
  
• Flammability — how easily something catches on fire
  
• Acidity — the chemical acidity of a substance
  

Safety symbols

Safety symbols

Safety symbols

Safety symbols

Safety symbols

Safety symbols

Safety symbols

Safety symbols

Safety symbols

Safety symbols