To summarize for a 2nd grader means to explain something in a short and simple way that is easy for them to understand. It's like giving a quick recap or summary of something that was said or read, but using words and language that a 2nd grader can easily comprehend.
Translates difficult text into simpler concepts. Q= Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a gas giant with a mass one-thousandth that of the Sun, but two-and-a-half times that of all the other planets in the Solar System combined. Jupiter is one of the brightest objects visible to the naked eye in the night sky, and has been known to ancient civilizations since before recorded history. It is named after the Roman god Jupiter. When viewed from Earth, Jupiter can be bright enough for its reflected light to cast visible shadows, and is on average the third-brightest natural object in the night sky after the Moon and Venus.
A= Jupiter is the fifth planet from the Sun and is very big and bright. It can be seen with our eyes in the night sky and it has been known since ancient times. Its name comes from the Roman god Jupiter. It is usually the third brightest object in the night sky after the Moon and Venus..