Q: What gas do plants absorb from the atmosphere? A: Carbon dioxide Q: What is the chemical symbol for water? A: H₂O Q: What is the most abundant element in th universe? A: Hydrogen Q: What force keeps us grounded on Earth? A: Gravity Q: What organ in the human body is primarily responsible for pumping blood? A: Heart Q: What is the largest planet in our solar system? A: Jupiter Q: What is the hardest natural substance on Earth? A: Diamond Q: What element is essential for the production of red blood cells? A: Iron Q: What process do plants use to make their food? A: Photosynthesis Q: What is the boiling point of water at sea level in Celsius? A: 100°C Q: Which vitamin is produced when a person is exposed to sunlight? A: Vitamin D Q: What type of energy is stored in a stretched rubber band? A: Potential energy Q: What is the study of life called? A: Biology Q: What is the basic unit of life? A: Cell Q: What is the speed of light in a vacuum? A: Approximately 299,792,458 meters per second Q: Who formulated the three laws of motion? A: Sir Isaac Newton Q: What is the unit of electrical resistance? A: Ohm Q: What phenomenon explains the bending of light when it passes through different mediums? A: Refraction Q: What is the first law of thermodynamics? A: Energy cannot be created or destroyed, only transferred or changed in form. Q: What particle carries a positive charge? A: Proton Q: What is the term for materials that do not conduct electricity? A: Insulators Q: What is the formula for calculating force? A: Force = Mass × Acceleration (F = ma) Q: What is the SI unit of power? A: Watt Q: What is the phenomenon where two waves superimpose to form a resultant wave? A: Interference Q: What is the term for the resistance of any physical object to a change in its state of motion or rest? A: Inertia Q: Who is known for the theory of relativity? A: Albert Einstein Q: What is the study of motion without considering its causes? A: Kinematics Q: What is the effect where a wave changes direction because of an obstacle? A: Diffraction Q: What is the process by which unstable atomic nuclei lose energy by emitting radiation? A: Radioactive decay

Photosynthesis

The process by which green plants use sunlight to synthesize foods from carbon dioxide and water.

Ecosystem

A biological community of interacting organisms and their physical environment.

Cellular Respiration

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Biodiversity

The variety of life in the world or in a particular habitat or ecosystem.

Food Chain

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

What is the chemical symbol for gold?

Au