List of Words for Letter ‘G’
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gas Matter that has no definite shape or volume.
These balloons are filled with a gas called helium.
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gills A structure some animals use to take in oxygen from water. (p. 47).
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glacier A large sheet of ice that moves slowly over land. (p. 216).
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gravity A pulling force between two objects, such as you and Earth. (pp. 378,447).
Gravity pulls these skydivers toward Earth.
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groundwater Water that is held in rocks and soil below the ground. (p. 261).