Transcript Parental engagement in science

PARENTAL ENGAGEMENT IN SCIENCE
Light and Colour
2nd November 2011
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.
SAFETY
• You will be using various chemicals
• Please wear goggles at all times
• Stand up when doing practical work
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!
LIGHTING A BUNSEN BURNER
• Ensure chimney is closed
• Pupil get a splint
• Light splint from nearest
Bunsen Burner
• Take back
• Parent/carer turn the gas
on
FLAME TESTS
If you get stuck or need
help, hold up your red card
If you have finished hold up
your green one!
• 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’
SPARKLERS!
• Take a splint
• Roll in glue
• Roll in iron filings
• Roll in copper
sulphate
• Hold in flame
DEMO- FIREWORKS
• Fire works are made from the chemicals used in
the flame test, just a little bit more!
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
DISPLACEMENT REACTIONS
• 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
If you get stuck or need help,
hold up your red card
If you have finished hold up
your green one!
RESULTS
Test
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
At the start
Colour of
solution
Colour of
metal
At the end
Colour of
solution
Colour of
metal
Reaction?
WORD HUNT
• Use the UV lights
• Find the hidden words and answer the
questions for a prize!
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?
ANSWERS
1. In straight lines
2. All the colours of the rainbow
3. Light travels faster
4. Orange
FLAMING TEACHER!
• Teacher collects
bubbles
• Set alight using
splint!
REVIEW
• Pease fill in the review sheet
• Refreshments are provided outside
• Raffle will be drawn