Topic 1 – Using Energy from heat

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Presentation transcript:

Topic 1 – Using Energy from heat Heat and Temperature Topic 1 – Using Energy from heat

What is heat? Heat has been something scientists have been trying to figure out for years and years. Up until the 1600’s, people thought heat was a combination of fire and air. Hmmmmm…… interesting.

Finally! Scientists got it! Heat is a form of energy. The energy comes from the movement of tiny little particles.

Humans using THERMAL ENERGY What is thermal energy? The basic definition is HEAT

Humans need heat in order to survive The four basic needs are: Food Shelter Water Exchange of gases Heat is wrapped up in this….. Without heat (ESPECIALLY in CANADA)…. We build shelter to keep heat or cold away from us.

What is heat used for? Used for cooking and keeping warm

Technology Through the advancement of technology we have been able to control the use of thermal energy

Changes in needs and wants The changes of our needs and wants have advanced the uses of different thermal sources. From clothes drying on a line to electric dryers

From hair drying naturally to using a blow dryer

Making Sustainable Choices REMEMBER: Sustainability means that something that is being used is being replaced and the same rate. We need to use our resources wisely and do as little damage as possible to the environment when we use them

Time line Try to place the following items on the time line on the bottom of your note page: Humans create fire Romans develop central heating – heat travels from one source to different areas of a building Chimneys first appear in Europe Fireplaces with chimneys are built into the walls of buildings Cast iron stoves heat rooms evenly Central heating re-appears – using coal Forced air heating Electric Heaters

7000 B.C 100 B.C A.D 1200 1300s 1700s Late 1700s 1800s 1906