Answer 10 questions and see how you score!
1. Which acid is used in car batteries?
2. Which type of lens converges light rays?
3. Which gas is most abundant in Earth's atmosphere?
4. Which planet is closest to the Sun?
5. Which type of energy is stored in a stretched spring?
6. Which type of cell lacks a nucleus?
7. Which vitamin helps improve vision?
8. Which element has the atomic number 1?
9. What is the chemical formula for carbon dioxide?
10. Which process converts glucose into ethanol in yeast?