1. © 2015 AQA. Created by Teachit for AQA. Neural networks Starter and plenary 4.1: Neural networks

2. © 2015 AQA. Created by Teachit for AQA. 4.1: Neural networks Starter 1 The brain – true or false? Question 1 When mummifying people, Egyptians would remove the brain through a hole cut in the top of the skull. False They pulled the brain out through the nose. Click for answer

3. © 2015 AQA. Created by Teachit for AQA. 4.1: Neural networks Question 2 You only snore when you are dreaming. Starter 1 The brain – true or false? False Click for answer

4. © 2015 AQA. Created by Teachit for AQA. True Click for answer 4.1: Neural networks Question 3 The first sense to develop in an embryo is touch. Starter 1 The brain – true or false?

5. © 2015 AQA. Created by Teachit for AQA. True Essential fatty acids omega-3 and omega-6 cannot be manufactured by the body. They are linked to brain functions such as memory, speech and motor skills. Click for answer 4.1: Neural networks Question 4 60% of your brain is fat. Starter 1 The brain – true or false?

6. © 2015 AQA. Created by Teachit for AQA. False The figure is 100 000 every second. Click for answer 4.1: Neural networks Question 5 There are 12 000 chemical reactions happening in your brain every second. Starter 1 The brain – true or false?

7. © 2015 AQA. Created by Teachit for AQA. True Apparently it was taken without permission, cut into 240 pieces and preserved. For a time it was kept in a box under a beer cooler. The removal was carried out against Einstein's wishes. Click for answer 4.1: Neural networks Question 6 The pathologist who carried out the autopsy on Einstein's body stole the brain and kept it in a jar for 20 years. Starter 1 The brain – true or false?

8. © 2015 AQA. Created by Teachit for AQA. 4.1: Neural networks Question 7 The brain is composed of about 10 billion neurones. Starter 1 The brain – true or false? True Click for answer

9. © 2015 AQA. Created by Teachit for AQA. False Each neurone has connections with about 10 000 neurones. Click for answer 4.1: Neural networks Question 8 Each neurone in the brain is connected to 1 000 other neurones. Starter 1 The brain – true or false?

10. © 2015 AQA. Created by Teachit for AQA. True Shortly after birth there is a substantial increase in the number of nerve cells in certain parts of the brain. This increase stops around 24 months except in the hippocampus. The majority of our nerve cells are as old as we are. They are not replaced when they fail. Click for answer 4.1: Neural networks Question 9 You had more nerve cells in your brain when you were 2 years old than you will have at any other time in your life. Starter 1 The brain – true or false?

11. © 2015 AQA. Created by Teachit for AQA. 4.1: Neural networks Question 10 There are no pain receptors in the brain. Starter 1 The brain – true or false? True Click for answer

12. © 2015 AQA. Created by Teachit for AQA. 4.1: Neural networks Starter 2 Plenary preview At the end of the lesson you will be asked to choose to do one of the following. You will be asked to answer verbally.  Summarise what you have done in this lesson.  Say two things you have learnt in this lesson and describe how your brain has done this.  Explain how brains and computers are similar and different.