I hope that you have been looking after the seed that you planted? Please can you check on your seed today - has is grown since last week? What does it look like now?
Please can you return to your diary (it should be at the back of your book) and underneath the last date, please can you write today's date and write down what the seed looks like now.
24.02.21 - the shoot is 4cm tall and has 2 small leaves.