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Presentation transcript:

Look at all of the slides. Think about what is happening in the pictures?

2 MINUTES! Discuss with your talk partner…

Evaporation. Evaporation is the changing of a liquid into a gas. Evaporation happens all around us without us knowing it. A puddle on the road which begins to ‘disappear’ is evaporating.

Evaporation happens at a faster rate by the temperature being warmer and by the air moving more quickly in a breeze. It also moves faster if surfaces are larger. Factors that speeds up Evaporation.

You can see evaporation taking place when a kettle boils, steam is the gas coming from the water. Sometimes you can see steam rising from the road or the playground after it has rained, this too is evaporation.

Other examples of evaporation include warm-air hair driers, blowing on ink to dry it and washing drying well on a sunny breezy day. Evaporation can be useful. CAN YOU THINK OF MORE EXAMPLES ????

When water (liquid) heats up, it turns into water vapour (gas). Once water becomes water vapour, it can easily move up to the Earth's atmosphere. Liquid changes to a gas if heated. The particles of the liquid moves faster and further apart, escaping into the air as a gas. This process is called evaporation