venus, a planet, Mercury, closest to the Sun, scientist, , moonquake, a shaking movement on the Moon, pollution, harmful to environment, continent, large land, ocean, , food chain, animals eat each other, pole, very cold place, climate change, long-term weather changes, solar system, the Sun and all planets, Cut down trees, destroy trees, habitat loss, the loss of animals’ natural homes, bamboo forest, , science club, a group where students learn science together.

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