Carbon Cycle
What process do plants use to take in CO₂ and release oxygen?
What is photosynthesis?
What sphere includes all living things?
What is the biosphere?
What is the main source of energy for photosynthesis?
What is sunlight?
What is the variable that you change on purpose in an experiment?
What is the independent variable?
What is the smallest unit of a plant?
What is a cell?
What is released into the air when we burn fossil fuels?
What is carbon dioxide (CO₂)?
Which sphere includes rivers, oceans, and lakes?
What is the hydrosphere?
What gas do plants take in during photosynthesis?
What is carbon dioxide (CO₂)?
What do you call the thing you measure?
What is the dependent variable?
What do you call a group of similar cells working together?
What is a tissue?
Which process breaks down glucose for energy and releases CO₂?
What is cellular respiration?
Air and weather belong to which sphere?
What is the atmosphere?
What sugar do plants make during photosynthesis?
What is glucose (C₆H₁₂O₆)?
What do you call the variables that stay the same in an experiment?
What are the constants (or controlled variables)?
Which organ in a plant captures sunlight for photosynthesis?
What is a leaf?
Name two spheres that carbon moves through.
What are the atmosphere and biosphere (or any correct pair)?
What sphere do rocks, mountains, and soil belong to?
What is the geosphere?
What is the full formula for photosynthesis?
What is sunlight + CO₂ + H₂O → C₆H₁₂O₆ + O₂?
Why should you repeat an experiment?
To check accuracy or reliability of results.
What part of the plant transports water?
What is xylem tissue (or stem)?
What happens to carbon when a plant or animal dies and decomposes?
What is it is released into the soil and atmosphere?
Which two spheres interact when a volcano erupts and releases gases?
What are the geosphere and atmosphere?
Name all three inputs needed for photosynthesis.
What are sunlight, carbon dioxide, and water?
In the question, “Does running affect heart rate?”, what is the dependent variable?
What is heart rate?
Where do plants get most of their mass from?
What is carbon dioxide from the air?