When a thermometer is heated, the red liquid inside the thermometer moves up. This is mainly because:
A. The red liquid is thin.
B. The molecules of the liquid move faster and get a little further apart.
C. Hot liquid is lighter.
D. The glass of the thermometer gets hot.
Answers: 3
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When a thermometer is heated, the red liquid inside the thermometer moves up. This is mainly because...
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