| Question | Answer |
| What is the fourth planet in the solar system? | |
| What is the 19th element? | |
| What is tungsten's abbreviation? | |
| Who discovered radium and polonium? | |
| What particles have a negative charge? | |
| What type of animal is a shark? | |
| What is at the center of an animal cell? | |
| Two or more atoms make a ________. | |
| What molecule is formed with SiO2? | |
| What is the least reactive element? | |
| Can protons and electrons attract each other? | |