Please make sure you do the correct homework! This is the homework you are set for week 4 and might not make sense if you are doing your homework the night before the lesson!
Set on Tuesday January 20
Grade 7: Complete the sheet on thermometers
Grade 8: In your notebooks, explain in 50 -75 words what causes friction between two surfaces including the word 'particles'
Grade 9 (Short): Watch this video, and be prepared to discuss your ideas about it next week.
Set on Wednesday January 21
Grade 9 (Long): Watch this video as preparation for next lesson. There is no written task with this homework.