Welcome to Module four. In this module, we'll be focusing on giving instructions and questioning skills. We begin the module by exploring the information processing model. This is a model to try and explain how we learn, and it links the observations and information that provides to our senses, and how it links to our long term knowledge in the process of creating new knowledge. A key part of this learning process is the working memory. So the working memory is the part of our brain that involves taking our sensory perceptions and our previous knowledge and time together to create new knowledge. Now, as you can see from this cartoon of the brain on a monocycle and juggling combos, the combos is that old we can hold in our working memory. So the information we provide is that we can handle in our working memories. We would use this content to explore how we can give instructions in laboratories. Laboratories is a place where is now information we have to learn and we have to learn and we provide information to our students in a meaningful way so that can they can handle in their working memory and still could carry out experiments with good learning. Second type of the module explores questioning skills. Good questioning aids learning and stimulates learning. So, developing good questioning kills will help out students to learn better. And in this module, we will have a few activities, one is learning to use different questioning skills and strategies to get the students to think about how they can answer a question. We'll also will apply questioning skills to some experiments that you will be teaching to develop questions that will probe the student understanding. Finally, the learning outcomes for this unit include strategies on how to give clear instructions and also give good questions. I hope you enjoy the module. Thank you. Bye.