| Q: What is the process by which plants make their own food? | |
| A: Photosynthesis - plants use sunlight to convert water and carbon dioxide into glucose and oxygen. | |
| Q: What is the smallest unit of matter? | |
| A: Atom - the basic unit of a chemical element, consisting of a nucleus and electrons. | |
| Q: What force holds atoms together in molecules? | |
| A: Chemical bonds - electromagnetic attraction between atoms, forming molecules by sharing or transferring electrons. | |
| Q: What is the study of the Earth's physical structure and substance called? | |
| A: Geology - science of Earth's history, structure, composition, and processes, including rocks, minerals, and landforms. | |
| Q: What is the largest planet in our solar system? | |
| A: Jupiter - gas giant with a diameter over 11 times that of Earth, with iconic bands and storms. | |
| Q: What is the main function of red blood cells? | |
| A: Oxygen transport - red blood cells carry oxygen from the lungs to the body's tissues. | |
| Q: What is the process of water vapor turning into liquid water? | |
| A: Condensation - water vapor cools and changes into liquid form, forming clouds or dew. | |
| Q: What is the speed of light in a vacuum? | |
| A: About 299,792 km/s - the ultimate speed limit in the universe according to Einstein's theory of relativity. | |
| Q: What process breaks rocks down into smaller pieces? | |
| A: Weathering - the breakdown of rocks into smaller fragments due to physical, chemical, or biological processes. | |
| Q: What is the fundamental unit of heredity in living organisms? | |
| A: Gene - a segment of DNA that contains instructions for a specific trait or function. |