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Temperature and Matter
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What happens to the temperature from Monday to Wednesday? Is the temperature going up or down?
It goes up.
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Give an example of a reversible change.
Freezing water, melting chocolate, assembling a Lego toy
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What are the stages of making an airplane?
First take the plane parts. Next assemble the wings. Then assemble the tail. Finally the plane is ready.
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Give an example of an irreversible change.
E.g. tearing paper, breaking a cup, making a cake, cutting a banana, slicing bread
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What is "reversible "?
Reversible is the change that goes forth and back/ which we can undo.
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Why do we use a thermometer?
A thermometer is a tool that measures how hot or cold it is./ tells us the temperature.
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What temperature does the thermometer show?
0 degrees Celsius, 30 degrees Fahrenheit
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What does it mean "to assemble "?
Assemble means to put together.
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What happens to the temperature from Friday to Sunday? Is the temperature going up or down?
It goes down
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What happens to the solid water (ice) in the summer?
It turns to liquid water./ It melts.
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What is property?
Is something about an object you can observe with your senses
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What happens to the liquid water in the winter?
The liquid water freezes./turns into ice
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