3.2 Metals

Metals
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Slide 1: Slide
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This lesson contains 10 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 15 min

Items in this lesson

Metals
Paragraph 3.2

Slide 1 - Slide

Learning goals
At the end of the lesson you can:
  • State six properties of metals.
  • Describe what an alloy is.
  • Derive properties from the nobility of a metal.

Slide 2 - Slide

What properties of metals do know?

Slide 3 - Mind map

Properties of metals
  • Conduct heat and electricity
  • Can be shaped easily
  • Metals in liquid phase mix easily with other metals
  • Most metals have high melting point
  • Most metals react with oxygen and water
  • Metals have a shiny surface

Slide 4 - Slide

Alloy
  • Mixture of molten metals
  • Bronze (alloy of cupper and tin)

Slide 5 - Slide

Nobility
Noble metals (do not react with water and oxygen
Base metals (reacts easily with water and oxygen)
Alkali metals (reacts violently with water and oxygen)
Earth alkaline metals (reactivity between base and alkali metals) 

Slide 6 - Slide

Noble metals ..?
A
Rust
B
Are cheap
C
Don't shine
D
Don't rust

Slide 7 - Quiz

Which metals are highly reactive metals?
A
Iron (Fe)
B
Mercury (Hg)
C
Potassium (K)
D
Platinum (Pt)

Slide 8 - Quiz

Making exercise
Make 17+20 (12 min in silence)
Finished? Make 16a,b,c,e, 18, 19, 21, 22, 27

Slide 9 - Slide

Reflection
At the end of the lesson you can:
  • State six properties of metals.
  • Describe what an alloy is.
  • Derive properties from the nobility of a metal.

Slide 10 - Slide