heaters do you have at home Temperature 1) (m We use a thermometer to measure temperature A wall thermometer measures the hotness or coldness of the air The liquid in the thermometer expands up the tube when it's warm The liquid contracts when it's cool So the level of the hquid in the thermometer changes with the temperature of the ai We show the temperature on a thermometer in degrees (Each mark on the thermometer is one degree. Many thermometers have a scale with 100 marks) This is the Celsius scale The temperature of boiling water is 100 degrees Celsius ( 100° C), and water freezes al 0 C on this scale We use these thermometers to take the temperature of our body when we are il These well. Your temperature stays the same on a hot day ( 23°C) or on a cold one (3°C) Your temperature thermometers tell you the temperature of your body. Your temperature is about 37° C when you are stays the same in a hot bath (40°C) or in a cold one (10°C)
1- Comprehension questions. Read the text and answer 1- What does a wall thermometer measure? 2- When does the liquid in the thermometer expand ? 3- When does the liquid contract? 4. How do you show the temperature on a thermometer ? 5. What's the scale on a thermometer called ? 6- What's your temperature when you re well ?
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