water, All animals need food, air, and ____ to survive., moon, What is Earth’s only natural satellite?, muscles, What part of the body helps you move?, Sun, What star shines in the day and provides light?, skin, Which organ covers the entire body and protects it?, thunder, Dark rain clouds can give out lightning and ____., wings, Which part of the bird lets it fly high in the sky?, leaf, What part of the plant conducts photosynthesis?, heart, ____ helps pump blood through the entire body., Solid, Liquid, and Gas, What are the three states of matter?, force, When you push something, you apply ____., stomach, Where does our food collect after we chew and swallow it?, skull, What part of the skeletal system protects the brain?, Carbon dioxide, Plants need which gas to perform photosynthesis?, atmosphere, Earth is surrounded by layers of gases collectively called the _____.

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