1. Light and Colour 2 nd November 2011 PARENTAL ENGAGEMENT IN SCIENCE

2. AIMS OF THE SESSION To celebrate the festivals of Diwali and Bonfire night To improve parental engagement in science, allowing parents and carers to provide better support for their child in home learning of science. This in turn will improve the learner’s achievement and understanding of the subject, and raise awareness of the applications of science.

3. SAFETY You will be using various chemicals Please wear goggles at all times Stand up when doing practical work

4. OUTLINE OF THE SESSION Welcome an introduction Open with a bang (hydrogen balloons) Flame tests Displacement reactions Making white light (extension) Word hunt in the dark Flaming Teacher! Raffle If you get stuck or need help, hold up your red card If you have finished hold up your green one!

5. Ensure chimney is closed Pupil get a splint Light splint from nearest Bunsen Burner Take back Parent/carer turn the gas on LIGHTING A BUNSEN BURNER

6. FLAME TESTS Used to find out the identity of unknown powders Turn to blue flame Take damp splint, collect powder Hold in flame Record colour Find out which powder matches ‘X’ If you get stuck or need help, hold up your red card If you have finished hold up your green one!

7. SPARKLERS! Take a splint Roll in glue Roll in iron filings Roll in copper sulphate Hold in flame

8. DEMO- FIREWORKS Fire works are made from the chemicals used in the flame test, just a little bit more!

9. DISPLACEMENT REACTIONS Some elements are more reactive than others, They ‘push’ others out of a compound We can find out which is the most reactive

10. Place a piece of metal in a well Drop on a solution Record the colour of the metal and solution, at the start and the end DISPLACEMENT REACTIONS If you get stuck or need help, hold up your red card If you have finished hold up your green one!

11. RESULTS At the startAt the end TestColour of solution Colour of metal Colour of solution Colour of metal Reaction? Copper Sulphate + Zinc Copper Sulphate + Magnesium Copper Sulphate + Iron Zinc Sulphate + Copper Zinc Sulphate + Magnesium Zinc Sulphate + Iron Magnesium Sulphate + Copper Magnesium Sulphate + Zinc Magnesium Sulphate + Iron Iron Sulphate + Copper Iron Sulphate + Zinc Iron Sulphate + Magnesium

12. WORD HUNT Use the UV lights Find the hidden words and answer the questions for a prize!

13. QUESTIONS 1.How does light travel? 2.What is white light made up of? 3.What travels faster, light or sound? 4.What colour do red an yellow make?

14. ANSWERS 1.In straight lines 2.All the colours of the rainbow 3.Light travels faster 4.Orange

15. Teacher collects bubbles Set alight using splint! FLAMING TEACHER!

16. REVIEW Pease fill in the review sheet Refreshments are provided outside Raffle will be drawn