Olga M. Salgado 3rd Grade Heat & Energy.

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Olga M. Salgado 3rd Grade Heat & Energy

Electricity is a form of energy that people produce from the active energy of wind and moving water and the stored energy in oil and coal.

Evaporation is the changing of a liquid into gas. Boiling water evaporates.

Conduction is when there is movement of thermal energy from one thing to another. Example: Spoon placed in hot water- *toast placed in a toaster

Convection occurs when thermal energy is moved from one place to another in moving liquids and gases. Example: A heating fan can warm up the cold air in a room.

Radiation occurs when thermal energy moves without touching anything. Example: Sun warms you even though you are not touching it.

Expands: When something expands it gets bigger when it gets hotter. Bridge-pavement

Contracts: When something contracts it gets smaller from being cold.

Celsius: Named after Professor Celsius, temperature measured in a kind of number scale. Fahrenheit: Named after Professor Fahrenheit, also a kind of number scale used to measure temperature.

that make up everything around us. Molecules: Tiny particles that make up everything around us.

Something that keeps electricity, heat, or sound from escaping: Insulation: Something that keeps electricity, heat, or sound from escaping: Examples: Birds/feathers People/clothes Lunchboxes

Some Sources of Heat sun fireplace fan oven heaters

Heat is transferred through: Conduction Convection Radiation

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