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Energy and States of Matter
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Removing thermal energy from liquid water can cause it to change to what state?
Solid
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Describe the characteristics of matter that is in the solid state.
Molecules are moving slowly and are packed together, has a set size and shape.
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Thermal energy always moves from a ______ area to a ______ area.
warmer; cooler
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Adding thermal energy to a substance causes its atoms to vibrate...
faster
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Which would have more thermal energy: a cup of room temperature water or a cup of cold water?
Room temperature
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Kinetic energy is the energy of
motion/movement
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An inflated balloon placed in a freezer would get ________________________ because the air molecules in the balloon would ___________________.
smaller; slow down
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All matter has thermal energy because atoms are constantly ______________.
moving
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Describe the characteristics of matter that is in the liquid state.
Molecules move faster and are more spread out than in a solid. Has a set size, or amount, but its shape varies depending on its container.
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Describe the characteristics of matter that is in the gas state.
Molecules are moving very quickly, will take the size and shape of whatever container they are in.
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If you sprain your ankle and place a cold pack on it, in which direction does thermal energy move?
From your ankle to the cold pack.
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If you sprain your ankle and place a cold pack on it, how does the motion of molecules in your ankle change?
They slow down
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