Title: The Nitrogen Cycle

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Presentation transcript:

Title: The Nitrogen Cycle Plant Hormones Welcome Year 9 GCSE Mr Brooks Title: The Nitrogen Cycle Date: 4 September, 2019 Starter: 5 MINS Using your laptops/textbook pg94, answer the questions in your books: Why is nitrogen important? Even though 78% of air we breath why cant we extract our nitrogen from the air?

The Nitrogen Cycle Learn it… 15 minutes Clues are stuck around the exploration zone (8 in total) Fill in your worksheet using these clues. Literacy – Reading and extracting information

Bacteria are essential for the nitrogen cycle Apply it… 5 MINS Bacteria are essential for the nitrogen cycle In your books… What are the four types of bacteria in the nitrogen cycle and what do they each do? This is a B grade question Literacy – Reading and writing Remember – Full sentences, check spelling and grammar

On your mini-white boards Quick questions What do animals use proteins for? What chemical is excreted in the urine? What weather event fixes nitrogen gas into the soil? Where do nitrogen fixing bacteria live (2 places)? What do plants use nitrates for?

Apply it… Literacy – Reading and writing This is an A grade question 1) Use the data in the table to draw a graph. Numeracy – data interpretation and presentation I will be judging your graph on: Accuracy, clarity, appropriate scale, axis labels, title. 15 minutes 2) Once you have drawn the graph answer this question: Explain which area and which conditions are best for seed production. Use data to provide evidence for your choice. (5) This is an A* grade question Literacy – Reading and writing

1 for clarity – show me your graphs Evaluate it… 1 for clarity – show me your graphs 1 1 1 1 How many marks did you get?

Evaluate it… Area B is better than A (1) Explain which area and which conditions are best for seed production. Use data to provide evidence for your choice. Area B is better than A (1) Because it always produces more seeds that A (1) Root nodule bacteria provide the best conditions (1) Because they produce more seeds than either the control or with fertiliser. (1) Correct use of data (1) How many marks did you get?

Evaluate it…