1. Periodic table
periodic table song

2. Periodic Table
The periodic table is a way of organising the elements into similar groups
A number of scientists tried to find a pattern
Dimitri Mendeleev was a Russian scientist in the 19th century who devised a table of elements and his method of organising the elements became accepted.
He didn’t get everything right but he left gaps for elements that hadn’t ben discovered and his predictions were correct

5. How can we tell if an element is a metal?

6. Prep
Questions 2,3,4 and 5 on the sheet

7. Metals Learning Objectives: To know the properties of metals
To be able to carry out an investigation to identify metals

8. Properties of metals Most metals are shiny
Most metals are solid with a high melting point
Metals are good conductors of heat and electricity
Some metals are magnetic

9. Metal investigation
In pairs look at the samples on the side benches and record your results
Sample
Shiny?
Solid?
Magnetic?
Electrical conductor? A B C D E

10. Evaluation of investigation
Which samples do you think are metals based on your observations?
Do you have enough information?
What else would you like to know?