Measure and record the: time for a reactant to be used up. volume of gas produced time for a solution to change colour/clarity. 3.4.3 Changes in Earth’s Describe how the Earth’s current 1 Use scientific vocabulary TDA opportunity: atmosphere atmosphere developed. correctly. O5 Investigate the production of oxygen by aquatic plants in Recall the word equation for Write the word equation for different conditions photosynthesis. photosynthesis. by counting bubbles. Describe how photosynthesis led AQA Teachit KS3: Earth’s to changes in the early atmosphere spot the – atmosphere. difference. O6 The current Describe how most carbon ½ Use scientific vocabulary TDA opportunity: atmosphere dioxide from the early correctly. Compare the atmosphere has been locked up amount of carbon as carbonates and fossils in dioxide in fresh air rocks. Use a pie-chart to show the and exhaled air. composition of the Earth’s atmosphere. Recall the present composition of the Earth’s atmosphere.
Measure and record the: time for a reactant to be used up. volume of gas produced time for a solution to change colour/clarity. 3.4.3 O5 Changes in Earth’s atmosphere Describe how the Earth’s current atmosphere developed. Recall the word equation for photosynthesis. Describe how photosynthesis led to changes in the early atmosphere. 1 Use scientific vocabulary correctly. Write the word equation for photosynthesis. AQA Teachit KS3: Earth’s atmosphere – spot the difference. TDA opportunity: Investigate the production of oxygen by aquatic plants in different conditions by counting bubbles. O6 The current atmosphere Describe how most carbon dioxide from the early atmosphere has been locked up as carbonates and fossils in rocks. Recall the present composition of the Earth’s atmosphere. ½ Use scientific vocabulary correctly. Use a pie-chart to show the composition of the Earth’s atmosphere. TDA opportunity: Compare the amount of carbon dioxide in fresh air and exhaled air.