NSEW Quiz 2010 Level 2

Time Elapsed: 0 minutes Time Remaining: 0 minutes Total Time: 0 minutes   Page 1 of 6     Round 1: Earth      1. Which of the following does not naturally make up part of the Earth’s atmosphere?*   Methane Nitrogen Krypton Chlorine     2. How much of the Earth’s surface is covered in water?*   50-55% 70-75% 20-25% 90-95%     3. Which is the largest ocean in the world covering about 1/3 of the Earth’s surface?*   Atlantic Ocean Pacific Ocean Indian Ocean Arctic Ocean     4. How old is the Earth?*   4.6 billion years old 4.6 trillion years old 4,600 years old 4.6 million years old     5. Most of the Earth’s fresh water is found in what form?*   Spring Water Water in the oceans Polar Ice Caps Clouds