Natural Science: unit 7

What do you have to know?

 

• Definition of matter and name of the properties.
• Definition and differences between pure substances and mixtures.
• Differentiate between homogeneous and heterogeneous mixtures.
• Name the changes of the book and differentiate if they are physical or chemical.
• Differentiate contact and non-contact forces.
• Classify bodies according to their capacity to deform: elastic, rigid, plastic.
• Know the properties of the materials: impermeability, elasticity, transparency and strenght.
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