7.3 Name TWO other types of corrosion apart from the answer you gave in question 7.1 (2)

You and Hiccup observe the dragon and notice that it does not seem to be as vicious and deadly, as people claim. Instead, it seems terrified and hurt, due to its tail being injured. Hiccup starts to feel very ashamed of his actions and decides to set it free. Answer these questions to see what happens thereafter.  Click on the button below to open a photo of the Dragon and Hiccup.  This photo will open in a new internet tab. DO NOT close your examination tab. Carefully click between the different tabs to access the different information needed:

 This space is there if you have any additional information to add or a problem.

HOW TO TRAIN YOUR DRAGON Hiccup is a teenage boy and son to the chief of the clan. In order for him to be initiated into the tribe, he has to slay a dangerous dragon. You will accompany him on this journey to ensure he returns safely and successfully in his mission. Let’s watch the following video, where Hiccup provides us with more information about his village. Click on the button below to open the clip of Berk’s home. The video will open in a new internet tab. DO NOT close your examination tab. Carefully click between the different tabs to access the different information needed:   VIDEO SCRIPT: 00:34 This is Berk.  It’s 12 days north of 00:38 hopeless and a few degrees south of 00:39 freezing to death. It’s located solidly 00:42 on the meridian of misery. My village is in 00:47 a word “sturdy”.  It’s been here for seven 00:51 generations but every single building is 00:53 new, we have fishing, hunting and a 00:56 charming view of the sunsets the only 01:00 problem are the pests, you see most 01:03 places have mice or mosquitoes 01:08 we have giants … 01:13 most people would leave. Not us. We’re 01:17 Vikings. We have stubbornness issues 01:22 My name’s Hiccup, great name 01:25 I know but it’s not the worst. My parents 01:28 believe a hideous name will frighten off 01:29 foes and foals 01:30 like our charming Viking demeanour. 01:36 Hold it, what are you doing here, get back inside. 01:49 That’s a story of the fast chief of the 01:52 tribe. They say that when he was a baby 01:55 he popped a dragon’s head clean off his 01:57 shoulders do I believe it, yes I do. Click on the button below to open a photo of Hiccup.  This photo will open in a new internet tab. DO NOT close your examination tab. Carefully click between the different tabs to access the different information needed: Hiccup’s nature is certainly not that of a warrior. He is very timid. You will have to assist him in finding armor and weapons. Correctly answer the following questions to help him suit up. 

1.4 Muscles are the only structures in the human body that hold bones together. (1)

Compared to sclerenchyma, collenchyma cells

7.6 Give a reason for your answer in question 7.5. (1)

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent? Protostomes invade terrestrial environments. Cambrian explosion occurs. Deuterostomes invade terrestrial environments. Vertebrates become top predators in the seas.

INSTRUCTIONS 1. Read all the instructions carefully before you answer. Answer in full sentences, where it is required. 2. Good use of language and correct spelling is advised. 3. Answer all the questions. 4. Before submitting, check all your answers. 5. All the best.

2.2 What does the word “evaporation” mean? (1)