Unti 6 - Photyosynthesis & Energy Transfer

What energies are converted during photosynthesis?

• radiant to chemical

• heat to potential

• radiant to potential

• thermal to kinetic

Tags

NGSS.MS-LS1-6

Which of these converts light energy to chemical energy?

• a light bulb

• the battery of a flashlight

• a leaf of a plant

• the screen of a computer

Tags

NGSS.MS-LS1-6

What plant structure absorbs sunlight during photosynthesis?

• water molecule

• chloroplast

• oxygen molecule

• carbon dioxide

What is chlorophyll and what does it do?

• a protein that changes shape in the presence of light

• a receptor that binds carbon dioxide

• a pigment that absorbs light energy

• an enzyme that catalyzes the production of glucose

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What structure is found in producers in nearly all ecosystems?

• stems

• leaves

• rhizomes

• chloroplasts

Tags

NGSS.MS-LS1-6

Why is the sunlight necessary in photosynthesis?

• sunlight uses carbon dioxide and water to form sugar

• the arrow in the equation represents the direction of sunlight

• the process cannot occur without energy from the sun

• the arrow tells the equation to yeild

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What are the products in photosynthesis?

• chlorine and sugar

• oxygen and sugar

• nitrogen and sugar

• carbon dioxide and sugar

Tags

NGSS.MS-LS1-6

Which of these are reactants, needed to begin the process of photosynthesis? (multiple answers)

• carbon dioxide

• glucose

• water

• oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What completes this equation?

Carbon dioxide + water + sunlight --> glucose + ___

• carbon

• hydrogen

• oxygen

• nitrogen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What do the arrows represent in the diagram of the food chain?

• the order of size of organisms in the ecosystem

• the importance of organisms in the chain

• the direction of energy flow through organisms

• the energy increase as you move from left to right

Tags

NGSS.MS-LS2-3