T will play a short music clip from Big Bang theory sitcom and ask students if they recognize it T will ask students about subjects they studied in school and relate that to the topic of science T will show pictures of different famous people and elicit from students their names and how are they similar (scientists)

SS will play a game with the words (ex. hangman) in pairs (A-B), as As need to guess the missing letters and find out the words and tell it to Bs SS talk to each other if they know anything about these theories T to give handout with matching definition exercise for the theories SS work in pairs to complete task and compare answers with the WC

T instruct Ss to read text one time and think about one question (which is the theory they can find from ex. 1?) T to split class in groups of 3 students SS to work in groups to put paragraphs in correct order (give cut outs) SS from 2 different groups to put answers on white board SS to check with WC

Ss to look at words in bold in the text and see if they can guess the meaning T to give out handout with the definitions and the words in a box underneath T to give instructions by using an example with the first definition Ss working in pairs to match the words to the definition Ss to share answers with WC Drilling T to give answer key to students

T to split students in groups of 4 (number grouping) Ss to read text alone (full text handout) Ss to work in groups to answer questions Ss to share answers with WC T to monitor work within groups T to feedback if any problems

T to give instructions and confirm with ICQs Ss to take turns and re-tell each other one of the six paragraphs from the text Ss can ask questions to each other on these paragraphs T to monitor speaking based on the context of the lesson T to check understanding of words using action for some of them as wrap up