11. Draw a happy face if the statement tells about the importance of gravity and a sad face if not. 1 Gravity causes us to have weight. 2. Gravity is the reason why we naturally stay on the ground 3. It is gravity why planes need to generate lift to get up into the air 4 Without gravity, we would have atmosphere 5. Gravity causes objects and planets to stay in orbit Gravity helps the Earth to stay in orbit around the moon 7 The sun's gravity keeps Earth in orbit around it. Keeping us at a more distance to enjoy the sun's light and warmth It holds down our atmosphere and the ar we need to breathe 8