1. Weathering LO To learn about are three types of weathering;  Physical weathering  Biological weathering  Chemical weathering Starter Write down what you already know about the term `weathering` Key words - Freezing thawing erosion cracks acid rain

2. Physical weathering LO To learn about weathering Key words - Freezing thawing erosion cracks acid rain What do you think is happening here ?

3. Chemical weathering Damage by acid rain Drop acid on the calcium carbonate chips in the petri dish and complete the sentence below - (you must wear goggles before you start) In this experiment I saw or observed........ LO To learn about weathering How long do you think this Weathering took ?

4. Biological weathering Biological Weathering is when p___ or a_____ wear away rocks. R______ burrow into a crack in a rock which might make the crack bigger and split the rock. LO To learn about weathering Complete the following paragraph in your books

5. Weathering Lo To learn about weathering Now write a short paragraph about weathering by using the pictures to help you – (no more that 30 words ) Key words - Freezing thawing erosion cracks acid rain

6. Weathering LO To learn about weathering How well have you done ?  Level 3- Recall  Level 4 – State  Level 5 – Describe  Level 6 - Explain