EARTH DAY Mrs Breward Tuesday, 22 February 2022 LESSON 1 EARTH’S EARLY ATMOSPHERE Earth Day DO NOW TASK Write the answers to these questions in full sentences in your book. SPACED RETRIEVAL PRACTICE EARTH DAY Use the following slides, or play the video lesson here: https://classroom.thenational.academy/summer-learningsupport/lessons/the-earths-atmosphere-6nk34t?activity=video&step=2&view=1 THE FORMATION OF EARTH’S EARLY ATMOSPHERE 4.5 billion years ago COMPOSITION OF ATMOSPHERES What does the data tell you about the history of Earth’s atmosphere? QUICK FIRE QUESTIONS QUICK FIRE QUESTIONS QUICK FIRE QUESTIONS ANSWER THESE QUESTIONS IN YOUR BOOK. REMEMBER TO USE FULL SENTENCES! SELF ASSESSMENT LESSON 2 THE CHANGING ATMOSPHERE Earth Day THE CHANGING ATMOSPHERE • What is the composition of our current atmosphere? WHAT HAPPENED? WHAT HAPPENED? Carbon sink Over time this helped form…. WHAT HAPPENED? WHAT HAPPENED? WHAT CAUSED THESE CHANGES? THE CHANGING ATMOSPHERE HOW DID YOU DO? PLENARY HOW DID YOU DO? Comparing data needs comparative language. You should have looked for similarities and differences and used quantitative data in your answer too. LESSON 3 THE GREENHOUSE EFFECT Earth Day THE GREENHOUSE EFFECT DO NOW TASK MAKE ANY IMPROVEMENTS IN PURPLE WHY IS OUR ATMOSPHERE IMPORTANT? • It helps to maintain a consistent temperature • Without the atmosphere it would be about -118C all the time! • It acts as a shield, protecting the Earth from harmful radiation • It provides the correct environment for the water cycle • Water exists on Earth in all 3 states • It enables our weather systems and provides for all our ecosystems OUR ATMOSPHERE THE GREENHOUSE EFFECT These 3 conditions are needed to maintain life on Earth. They create the ‘Greenhouse effect’. ANSWER THE QUESTIONS IN YOUR BOOK HOW DID YOU DO? WHAT CAUSES THE GREENHOUSE EFFECT? • https://youtu.be/SN5DnOHQmE • Watch the video • Draw the diagram in your book • The sun gives out all forms of radiation. • Some are stopped by the atmosphere and some are allowed through to the Earth. • Earth absorbs energy from the sun. • Earth re-emits radiation as heat. • A small amount passes back through the atmosphere but a lot gets trapped by the atmosphere and reflected. • This trapped infrared radiation has a warming effect COPY AND COMPLETE absorbed infrared Water vapour trapped THE GREENHOUSE EFFECT HOW HAVE HUMANS ADDED TO THE GREENHOUSE EFFECT? Write down as many human activities that add to the greenhouse effect as you can THE GREENHOUSE EFFECT HOW DID YOU DO? 2 minutes EXAM STYLE QUESTION ANSWER PLENARY – BRINGING IT ALL TOGETHER 2 minutes LESSON 4 GLOBAL WARMING Earth Day REFLECTING THE SUN’S ENERGY WHY ARE ICE CAPS IMPORTANT? THE ALBEDO EFFECT Watch the 2 videos and make notes that will help you to create your own presentation on Global Warming Video One https://youtu.be/sCxIqgZA7ag Video Two https://www.wwf.org.uk/where-we-work/arctic GLOBAL WARMING PRESENTATIONS Your task Working in groups of 3 or 4, create a scientific presentation on Global Warming. • Use information and data from todays workshop to create posters on A3 paper and to write a script for each member of the group. • Your posters should be informative and colourful. • Your speech should be articulate, clear and of a good volume. Presentations will take place at 2.20pm LESSON 5 PRESENTATIONS Earth Day FINISHING OFF TIME Your task Working in groups of 3 or 4, create a scientific presentation on Global Warming. • Use information and data from todays workshop to create posters on A3 paper and to write a script for each member of the group. • Your posters should be informative and colourful. • Your speech should be articulate, clear and of a good volume. Presentations will take place at 2.20pm