Photosynthesis 1
The process that uses energy from the sun to make food from water and carbon dioxide.
What is photosynthesis?
Photosynthesis needs these three things to work.
What are sunlight, carbon dioxide, and water?
Left side (before the arrow) in a chemical equation.
What is reactants?
The variable in an investigation that is being manipulated and tested.
Independent Variable
A method for growing plants with added nutrients instead of soil.
Hydroponics
The chemical that absorbs and stores the energy of sunlight.
What is chlorophyll?
Photosynthesis uses light energy, carbon dioxide, and ______ to produce oxygen and sugar.
What is water?
Right side (after the arrow) in a chemical equation.
What is products?
The variable in an investigation that changes as a result of the independent variable.
Dependent Variable
Plants absorb water through their....
Roots
The tiny pores in the bottom of leaves that take in carbon dioxide from the air.
What are stomata?
Plants make this during photosynthesis to use to repair themselves and grow.
Glucose
The product, known as a waste product, that is made from photosynthesis.
What is oxygen?
One onion plant is placed in a dark cupboard and the other is placed in a window. All other factors are the same. What is the independent variable being tested?
Sunlight
Plants need light energy from the sun during photosynthesis to....
Break apart the carbon dioxide and water molecules do it can use the hydrogen, carbon and oxygen to make glucose.
An organism that uses a primary energy source (like light) to conduct photosynthesis
What is a producer?
Glucose is a kind of
Sugar
The chemical formula for glucose.
What is C6H12O6?
One onion plant is placed in a dark cupboard and the other is placed in a window. All other factors are the same. After 10 days, both plants will be measured. What is the dependent variable?
The length of the plant.
The three essential nutrients for plants.