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"Temperature and Thermometer" Changes in Temperature and Water PPT Courseware
experiment one
Requirement: First insert the fingers of your left hand and the fingers of your right hand into cups No. 1 and Cup No. 4 respectively at the same time to compare their hot and cold conditions. Then immediately insert the fingers of your left hand and your right hand into cups No. 2 and Cup No. 3 respectively and feel them with your fingers. The water condition in each cup is recorded in the experiment record sheet using words such as "cold, warm, hot, very hot" to express the temperature.
Experiment 2
Requirement: First insert the fingers of your left hand and the fingers of your right hand into cups No. 2 and Cup No. 3 respectively at the same time to compare their hot and cold conditions. Then immediately insert the fingers of your left hand and your right hand into cups No. 1 and Cup No. 4 respectively, and feel them with your fingers. The water condition in each cup is recorded in the experiment record sheet using words such as "cold, warm, hot, very hot" to express the temperature.
Experiment 3
Requirement: Insert the fingers of your left hand and the fingers of your right hand into cups No. 2 and No. 3 respectively, compare their hot and cold conditions, and then use the words "cold, warm, hot, very hot" to describe the water conditions in the two cups you feel with your fingers. The words describing the temperature are recorded in the experiment record sheet.
Things you need to know before using a thermometer
1. Is this a Celsius thermometer? Is the unit of temperature in degrees Celsius?
2. What are the highest and lowest temperatures it can measure?
3. How many degrees Celsius does each scale on the thermometer represent?
Discuss: If 0 degrees Celsius on the thermometer is used as the dividing line, if the temperature above zero is counted upward from 0℃, the number will become more and more ____, which means the temperature will become more and more ____; if the temperature below zero is counted downward from 0℃, the number will become more and more ____. The more ____, the temperature is getting ____.
Level 1: I can do temperature knowledge
1. Read the following temperatures in Celsius
23℃ is read as ( )
-15℃ is read as ( )
-5℃ is read as ( )
2. Write the following temperatures in Celsius
Minus 8 degrees Celsius can be written as ( )
0 degrees Celsius can be written as ( )
Minus 13 degrees Celsius can be written as ( )
21 degrees Celsius can be written as ( )
Precautions when using a thermometer
Handle the thermometer with care when using it
When reading data, your line of sight should be level with the liquid level of the thermometer.
Do not breathe hot air into the thermometer when reading data
When using a thermometer, do not touch the glass bulb of the thermometer.
A little exploration
(1) How much does each cell of the thermometer indicate?
(2) What is the structural difference between an experimental thermometer and a clinical thermometer?
(3) Why can the thermometer be taken away from the body before reading?
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"Temperature and Thermometer" PPT download of changes in temperature and water:
"Temperature and Thermometer" Changes in Temperature and Water PPT Download Part One: Introduction of New Knowledge Talk about it. Students, we feel very hot in summer and very cold in winter. What is the difference between these two seasons? ... ... ... Temperature and thermometer PPT..
"Temperature and Thermometer" Changes in Temperature and Water PPT:
"Temperature and Thermometer" Changes in Temperature and Water PPT Part 1 Content: Comparing Hot and Cold Water If there are two cups of water, which cup is hot? Which cup is cold? Can we feel it by touching it with our hands? There are four cups on the table. Cup No. 1 contains cold water, cups No. 2 and No. 3...
"Temperature and Thermometer" Changes in Temperature and Water PPT Courseware 3:
"Temperature and Thermometer" Changes in Temperature and Water PPT Courseware 3 Scientific Concepts Temperature The hot or cold degree of an object is called temperature, usually expressed in degrees Celsius (℃). Teaching a new lesson 1. If there are two glasses of water, which one is hot and which one is cold? Can you tell the difference? 2..