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