Group+6+Design+page

Group 6 Design page

Level : Sec 2 Express Topic : Acids and Bases

Learning outcomes (including use of basic skills and process skills): To apply students' prior knowledge of neutralisation in real-life situation. To apply problem-solving and develop critical thinking skills.

ICT tools: wikispaces, datalogger, My Webspirations

DESCRIPTION OF ACTIVITY For each feature, mark on the continuum if you are planning for more self-directed (SD) or more Teacher guided (TG) inquiry** ||
 * || **Description of activity:** || **Essential features of inquiry:
 * Question || Russell is a nature explorer. He is often stung by insects, especially wasps. In order to ease his pain, he is keen to create a cream which helps to relief the pain and discomfort using natural ingredients. He stumbled upon some old remedies that includes plants like green vegetables, lemon, wheat grass and some sweet berries from the forest. How do you go about helping Russell to find out the best cure for the wasp sting?

A sample of the substance secreted from the wasp during an attack was sent to our lab. Can you help him to find the best ingredient for the cream?

|| Question What is the substance release by the wasp that cause the pain? What property do you need to find out about the vegetables? How do you go about determining the property that you mentioned above on the vegetables? How can the property of the vegetables help to relief the pain?

Extension: Given that a wasp releases a certain amount of alkali, how do you go about finding the exact amount of acid from the vegetables that you chose to neutralise the acid? (Teacher guided) ||
 * Evidence || Take videos or photos, then post on wikispaces. || Learner-Centered ||
 * Explanation/ Communication || Post their explanations using Voicethread. The classmates are to comment on their results and the choice of vegetables. || Learner-Centered ||
 * Connection || Students are to construct a concept map using My Webspirations to show their understanding Acid and bases.. || Learner-Centered ||

Evaluation of Pupils' Learning: