Question | Answer |
Day/Night | The time required for Earth to rotate once on its axis |
Rotation | The spin of a body on its axis |
Revolution | The motion of a body that travels around another body in space |
Orbit | The path that a body follows as it travels around another body in space |
Year | The time required for the Earth to orbit once around the sun |
Leap year | The year that the 1/4s of a day add up and make an extra day; only happens once every four years |
Seasons | A division of the year that is characterized by recurring weather conditions, and determined by both Earth"s tilt relative to the sun and Earth's position in its orbit around the sun |
Solstice | The point at which the sun is as far north or as far south of the equator as possible |
Equinox | The moment when the sun appears to cross the celestial equator |
Satellite | A natural or artificial body that revolves around another body in space |
Gravity | A force of attraction between two objects that is due to their masses |
Solar Eclipse | An event that occurs when the moon's shadow is cast on a certain part of the Earth; only happens on a new moon |
Lunar Eclipse | An event that occurs when the Earth's shadow is cast upon the moon Causing full darkness on the moon; only happens on a full moon |
Tides | The periodic rise and fall of the water level in the oceans and other large bodies of water |
Spring Tide | A tide of increased range that occurs two times a month, at the new and full moons |
Neap Tide | A tide of minimum range that occurs during the first and third quarters of the moon |
Tidal Range | The difference on levels of ocean water at high tide and low tide |