Why is ice slippery?
Flipped lesson plan (B2 and above): Why is ice slippery? - BUY ME A COFFEE if you like my FREE ESL content Learn why it is so hard to walk on ice without falling over. In this worksheet, students will watch a video about the science of slipperiness, learn ice-related idioms and read an article about Frederic Tudor, the intrepid American entrepreneur who created a global market for ice in the 1800s. Educational materials shouldn't be paywalled. Show your support for my ESL content by buying me a coffee! Lesson activities: Discuss one of Robert Frost's most famous poems, 'Fire and Ice' Watch a video explaining the reason for ice's slipperiness, using scientific vocabulary (friction, megapascals, pressure, hydrogen bonds) Learn idioms/phrases related to ice (frosty reception, when hell freezes over, (someone) could sell ice to an Eskimo, to be on thin ice) Study a text from The Atlantic about the stubborn American entrepreneur who defied naysayers and made hu...