{"title":"Solar System Quiz","subtitle":"8 questions · Science, Year 5","questions":[{"id":1,"question":"Which planet is closest to the Sun?","options":["Venus","Mercury","Mars","Earth"],"answer":1,"fact":"A year on Mercury lasts just 88 Earth days."},{"id":2,"question":"Which planet is called the Red Planet?","options":["Jupiter","Mars","Saturn","Neptune"],"answer":1,"fact":"Mars looks red because its dust is full of iron oxide. That's rust!"},{"id":3,"question":"What is the biggest planet?","options":["Saturn","Earth","Jupiter","Uranus"],"answer":2,"fact":"More than 1,300 Earths could fit inside Jupiter."},{"id":4,"question":"Which planet has the most famous rings?","options":["Saturn","Mars","Venus","Mercury"],"answer":0,"fact":"Saturn's rings are mostly ice. Some pieces are as big as a house."},{"id":5,"question":"How long does sunlight take to reach Earth?","options":["8 seconds","8 minutes","8 hours","8 days"],"answer":1,"fact":"About 8 minutes and 20 seconds, travelling 300,000 km every second."},{"id":6,"question":"Which planet spins on its side?","options":["Uranus","Neptune","Earth","Mars"],"answer":0,"fact":"Uranus is tipped over by about 98 degrees, so it rolls around the Sun."},{"id":7,"question":"What is the hottest planet?","options":["Mercury","Venus","Mars","Jupiter"],"answer":1,"fact":"Venus's thick clouds trap heat: about 465 °C, hot enough to melt lead."},{"id":8,"question":"How many planets are in our Solar System?","options":["7","8","9","10"],"answer":1,"fact":"Pluto was renamed a dwarf planet in 2006, leaving eight planets."}]}