Friday, 13 March 2015
Wednesday, 11 March 2015
Colour Confusion
Go to http://www.abc.net.au/btn/story/s4191136.htm and complete the questions in sentences by Wednesday 11th March 2015.
1. What does it mean to be colour blind?
2. What do the rods and cones in our eyes do?
3. Which part of the eye doesn’t work properly in someone who is colour blind?
4. Which colours does David have trouble seeing?
5. What proportion of boys are colour blind?
6. About how many girls are colour blind?
7. Colour blindness is not a genetic condition. True or false?
8. How does David’s colour blindness impact on his life?
9. Illustrate an aspect of this story.
10. What was surprising about this story?
Sunday, 8 March 2015
Friday, 6 March 2015
Thursday, 5 March 2015
Wave Energy
Go to http://www.abc.net.au/btn/story/s4186859.htm and complete the questions in sentences by Wednesday 11th March 2015.
1. Where in Australia are scientists experimenting with wave energy? Locate using Google Maps.
2. Where does wave energy come from? a. Swimming pools b. Lakes c. Oceans
3. Where does the energy in a wave come from?
4. What percentage of the earth’s surface is covered in water?
5. Explain how friction is caused to create a wave.
6. In which two Australian states are the waves most powerful?
7. Illustrate how wave energy is harvested. (Include turbines, an electricity grid, buoys, pipes, and an on-shore plant in your diagram)
8. In the story, what is the electricity from wave energy powering?
9. Why are some people concerned about the use of wave energy generators?
10. Wave energy is a renewable source of electricity. True or false?
11. What do you think El Salvador should use, Wave or Solar Energy? Explain why?
Sunday, 1 March 2015
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