Transcript Winds
Sun: The Ultimate Energy Source • Besides heating the land and water on Earth, the sun provides energy for the Winds • hot air balloon clip • http://mediacast.ldisd.net/tight_url.cfm/URLID/605 • wind clip • http://mediacast.ldisd.net/tight_url.cfm/URLID/602 • Look at this web site for an explanation: http://www.windpower.org/en/kids/intro/how.htm Sun: The Ultimate Energy Source • Besides heating the land and water on Earth, the sun provides energy for the Winds • Boil some water in the tea kettle • Place your pinwheel over the spout once the kettle whistles • This is a simple model to help show how heated air rises and helps to cause the wind Sun: The Ultimate Energy Source • Besides heating the land and water on Earth, the sun provides energy for the Winds The air cools and falls back to earth Water heats slower so the cooler air over the water moves in towards the land to fill the empty spot left by the warm rising air causing the WIND to blow Land heats quickly and causes the air to warm and rise Sun: The Ultimate Energy Source • Besides heating the land and water on Earth, the sun provides energy for the Winds • Winds can also have an effect on the land • They can blow sand to create sand dunes • They can blow sand and soil causing erosion • Anything else??? Sun: The Ultimate Energy Source • Besides heating the land and water on Earth, the sun provides energy for the Water Cycle – check it out: http://www.bbc.co.uk/schools/riversandc oasts/water_cycle/rivers/pg_02_flash.sht ml Sun: The Ultimate Energy Source • Besides heating the land and water on Earth, the sun provides energy for Plants & Animals Some animals eat other animals who ate plants Animals eat plants Plants need the sun to grow and make food for animals The Sun is the Ultimate Energy Source The Sun is the Ultimate Energy Source Heats the land & water Differently to Affect Climates Provides energy that creates the Wind Powers the Water Cycle Starts the Energy Flow through all food chains Let’s Try Some Sample TAKS Questions Solid to a liquid Liquid to a gas Gas to a liquid Liquid to a solid Energy comes from the Sun – helps plants grow – which are eaten by animals – which are then eaten by other animals Energy moves from the grass to the grasshopper to the fish and finally to the hawk