Properties of Elements
First 3 to successfully complete gold dust
kid = prize
Periodic table in planner will help
In pairs, 1 minute…
• You should be prepared to give an example of a
solid, liquid and gas from the periodic table
• You should be prepared to given an example of a
metal and non-metal from the periodic table
The Periodic Table of Elements
http://www.privatehand.com/flash/elements.html
http://www.youtube.com/watch?v=GFIvXVMbII0
http://www.youtube.com/watch?v=rSAaiYKF0cs
Elements have different properties
Flame Tests
Equipment: Bunsen Burner, heat proof mat, goggles, table
Flame Test Key
Element
Flame colour
Calcium
Orange-Red
Copper
Blue-Green
Lead
Blue/White
Barium
Light Green
Potassium
Lilac
Sodium
Yellow
Which elements are found in Milk and
Cornflakes?
What do our bodies need calcium and iron
for?
How could we prove that there is iron
in cornflakes?
Density
Heavy
Light
Element
Weight (g)
Density
The amount of stuff in an area...
...more stuff = more dense.
more
dense
Electrical Conductors
Which elements can conduct electricity?
Element
1
Conductor
Yes
No
Electrical
Conductors
2
3
4
5
6
7
8
9
10
11
12
Which elements
can conduct
electricity?
Which element conducts heat the best?
Copper or Iron?
1
1
How will you ensure a fair test?
Which element conducts heat best?
brass
Predict: Which metal will the
rivets drop off first?
Observe: Complete the
practical and record the results
copper
iron
Explain: Why did the rivets fall
off
first?
(use the word conduct/or)
aluminium
Which metal would be best for
making a frying pan?
Thick or Thin?
1
1
Copper or Iron?
1
1
Alkali Metals
•
•
http://www.bbc.co.uk/scotland/learning/bitesize/standard/chemistry/elementsandreactions/periodic_rev1.shtml
http://www.youtube.com/watch?v=m55kgyApYrY
Halogens
• All are toxic
Halogens
Nobel Gases
• Not very reactive (inert)
Nobel Gases
Helium
Neon
Argon
Nobel Gases
Properties of Elements
http://www.bbc.co.uk/schools/ks3bitesize/scien
ce/chemical_material_behaviour/atoms_eleme
nts/activity.shtml