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Groups of people who live together.
colonies
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Ants live in large ________ and work together.
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The Earth goes around the Sun in an ________.
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Buildings with glass sides and a glass roof for growing plants in.
greenhouse
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Small enough to be placed in the hand while being used.
handheld
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A substance that is naturally present in the Earth, for example gold and salt.
mineral
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To move around a much larger object, especially a planet or star.
orbit
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To cover a larger and larger area.
spread
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A device that a liquid or gas is passed through in order to remove unwanted materials.
filter
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The water passes through a ________ before it is safe to drink.
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I use a ________ game console when I travel.
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We grow tomatoes and cucumbers in a ________ during winter.
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The disease began to ________ quickly across the country.
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Scientists discovered a rare ________ deep underground.
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