In Chapter 12, 'The Lavender', what animal does Lavender catch to put inside the Miss Trunchbull's water jug?

In Chapter 12, why does Lavender feel she must be the one to carry out a prank on Miss Trunchbull?

In Chapter 12, what specific task is Lavender chosen to perform that gives her the opportunity to set up her prank?

In Chapter 12, how does Lavender carry the newt to school so that no one discovers her plan?

In Chapter 12, how does Lavender describe the appearance of the newt she catches?

In Chapter 12, 'The Lavender', what does Lavender use to catch the newt from the pond at the bottom of her garden?

In Chapter 12, 'The Lavender', how does Lavender feel about being the one to carry out the prank?

In Chapter 12, what does Miss Honey warn the class about when preparing them for Miss Trunchbull's arrival?

In Chapter 12, 'The Lavender', what does Lavender add to the jam jar besides the newt to make sure the creature feels at home?

In Chapter 12, why does Lavender decide not to tell anybody, even Matilda, about her plan for the newt?