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.htmlhttp://www.youtube.com/watch?v=GFIvXVMbII0http://www.youtube.com/watch?v=rSAaiYKF0cs

Elements have different properties

Metal Gas

Liquid

Solid

Unreactive Reactive

Non-metal

Hard

Soft

Malleable

BrittleShiny

Dull

Flame TestsEquipment: 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?

Heavy

Light

Element Weight (g)

Density

DensityThe amount of stuff in an area...

...more stuff = more dense.

more dense

Electrical ConductorsWhich elements can conduct electricity?

Electrical Conductors

Which elements can conduct electricity?

ElementConductor

Yes No

1

2

3

4

5

6

7

8

9

10

11

12

Which element conducts heat the best?

1 1

Copper or Iron?

How will you ensure a fair test?

Which element conducts heat best?Predict: Which metal will the rivets drop off first?

Observe: Complete the practical and record the results

Explain: Why did the rivets fall off first?(use the word conduct/or)

Which metal would be best for making a frying pan?

brass

copperiron

aluminium

1 1

1 1

Thick or Thin?

Copper or Iron?

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/science/chemical_material_behaviour/

atoms_elements/activity.shtml