What is the Morse code for S.O.S?

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Presentation transcript:

What is the Morse code for S.O.S? Precipitates Developing: Students can set up an experiment safely Secure: Students can carry out and record results from an experiment Exceeding: Students can write a conclusion for what they found Entrance Activity What is the Morse code for S.O.S? Key Words – Tool Box Lead nitrate Potassium Iodide Precipitate Observation Conclusion

Task 1- Lead Nitrate and Potassium Iodide Learning Activity Task 1- Lead Nitrate and Potassium Iodide

Precipitate Key Word Alert! Definition A precipitate is an insoluble solid that is formed in a solution (liquid). Precipitates can be of various colours depending on what chemical react together.

Safety First! Learning Activity

Instructions Learning Activity Instructions: 1. Place 1 spatula of lead nitrate into a 100 cm3 beaker 2. To this beaker add 1 spatula of potassium iodide 3. With a glass stirring rod, stir these two solids, observe any changes 4. Using a dropping pipette add 5 cm3 of water to the beaker and stir again 5. Record the colour of the precipitate

Learning Activity Why did this happen?

Learning Activity Knowledge Check!

Conclusion! Learning Activity Write a conclusion that is half a page long about your experiment. Answer the questions below and include diagrams where possible. Explain the data using the scientific ideas you have learned. You must link the science to your data – why does increasing the distance that the air hole is open have that effect? What extra data would give you more confidence in your hypothesis? What would you do if you could do the practical again and collect more data?

What is the Morse code for S.O.S? Precipitates Developing: Students can set up an experiment safely Secure: Students can carry out and record results from an experiment Exceeding: Students can write a conclusion for what they found Entrance Activity What is the Morse code for S.O.S? Key Words – Tool Box Lead nitrate Potassium Iodide Precipitate Observation Conclusion