KS3 ~ Year 7 ~ Gas Pressure

his lesson is designed for the Activate KS3 Science Course, specifically Year 7 C1.1 ’Particles & their Behaviour’

For more lessons designed for KS3 and KS4 please visit my shop at: https://www.tes.com/teaching-resources/shop/SWiftScience.

This lesson starts with the collapsing can demonstration, students are asked to watch the demonstration (either completed by the class teacher or use the video included) and come with with an explanation of what is happening.

This activity leads onto a definition for gas pressure, students are given the definition which is explained using the diagram included. Students can take notes of this process in their books, drawing the diagram would also be helpful.

Students are now asked to consider whether the factors which may lead to an increase in pressure, students will need to discuss with their partner and come up with some ideas. This leads onto the next PowerPoint slide which outlines three factors - an increase in the number of particles, an increase in temperature or a decrease in the size of the container. All would lead to an increase in the frequency of collisions the particles have with the sides of the container.

Students will now complete a worksheet to assess their knowledge of what they have learned so far this lesson. This work can be self-assessed using the mark scheme provided.

Next, students are asked to ‘Think > Pair > Share’ their ideas of why an increase in temperature leads to an increase in pressure. Students should try to explain their answer using the particle. model, students can discuss in pairs before writing their thoughts down and then feeding back to the class as group discussion. The answer to this task can then be revealed, students can check and correct their work.

Lastly, students will complete a ‘Teach me, tell me’ task - students will be given a Q&A card, as well as a worksheet of questions. They will need to share the answer to their question with other students in the classroom in order to complete the worksheet of questions on gases & pressure.

The plenary task requires students to write a Whatsapp message on what they have learned this lesson.

All resources are included at the end of the presentation. Thanks for looking, if you have any questions please let me know in the comments section and any feedback would be appreciated :)