1.We all know that H2O is the formula for water. What compound is H2O2 the formula for? I Don't Know Deuterium Hydrogen peroxide Ozone Heavy water

2.What is the most abundant element in the Earth's crust? I Don't Know Silicon Carbon Iron Oxygen

3.If you don't have rocks in your head, you should know the three types of rocks we all learned in school. What type are sandstone, limestone and shale? I Don't Know Sedimentary Igneous Metamorphic Minerals

4.In the United States, what federal law was passed to save hundreds of threatened species from extinction? I Don't Know Extinct Animals Act Endangered Species Act Animal Protection Act Conservation Act

5.In what specific part of the human body can you find the only living tissue that has no blood supply? I Don't Know The ear The skin The eye The brain

6.You set out from Earth on a journey at that famous speed of light, towards the center of our solar system. In 8 minutes, where will you be? I Don't Know The sun The moon Mars The Milky Way

7.What is the only common substance that expands when it freezes? I Don't Know Water Gold Mercury Alcohol

8.In the movie 'Ice Age,' he was called Sid. To scientists, he's Megatherium. What kind of an animal is he? I Don't Know Mammoth Giant sloth Saber-toothed tiger Squirrel

9.'Smilodon' is the scientific name for this critter, although it doesn't refer to his very toothy grin! Who is he? I Don't Know Mammoth Giant sloth Cave bear Saber-toothed tiger

10.In 1897, the Indiana legislature considered setting the value of what famous number to 3.2? I Don't Know e i Pi Avogadro's number

11.The moon never has to diet. What is the moon called when it appears to be getting bigger? I Don't Know Waxing moon Waning moon Full moon New moon