Photosynthesis and Energy Transformations

Which type of energy conversion occurs during the process of photosynthesis?

• Chemical energy is converted into radiant energy

• Radiant energy is converted into thermal energy.

• Thermal energy is converted into chemical energy

• Radiant energy is converted into chemical energy

Tags

NGSS.MS-LS1-6

What kind of energy is necessary to initiate the process of photosynthesis?

• Radiant

• Heat

• Electrical

• Wind

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NGSS.MS-LS1-6

During photosynthesis, energy is stored in the form of —

• Oxygen

• Carbon Dioxide

• Glucose

• Water

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NGSS.MS-LS1-6

What happens to the solar energy absorbed by plants during photosynthesis?

• It is recycled by plants and returned to the atmosphere.

• It is converted into oxygen and glucose.

• It is stored as heat within the plant for cellular functions.

• It is transformed into chemical energy

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

During the process of photosynthesis, —

• light energy is converted to chemical energy

• chemical energy is transformed to mechanical energy

• thermal energy is changed to chemical energy

• solar energy is transformed to mechanical energy

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which type of energy is formed during the process of photosynthesis?

• Chemical

• Radiant

• Thermal

• Kinetic

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NGSS.MS-LS1-6

Which of the following statements best describes the flow of energy in an energy pyramid?

• As you go higher in the pyramid, the amount of energy increases.

• There is less energy in a producer level than a consumer level.

• There is no energy above the level of producers in the system

• Each group receives only a small amount of the energy from the level below it.

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NGSS.MS-LS2-3

What do the arrows represent in the diagram of a 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 increases as you move from left to right

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NGSS.MS-LS2-3

A student prepares for a five-mile run so she eats a nutritious meal three hours before the run. Which correctly illustrates the transformation of energy from eating the meal to the five mile run?

• Chemical to Thermal

• Thermal to Mechanic

• Thermal to Mechanic to Chemical

• Chemical to Mechanical to Thermal

Tags

NGSS.MS-PS3-5

A group of students are investigating the transformation of energy during digestion. The initial temperature of hydrogen peroxide in a beaker is measured and recorded. Small pieces of liver are placed into a beaker of hydrogen peroxide and the temperature is measured and recorded every 30 seconds over a two minute time period. What energy transformation is under investigation in the scenario above?

• Thermal energy transformed into chemical energy

• Chemical energy transformed into thermal energy

• Chemical energy transformed into mechanical energy

• Mechanical energy transformed into thermal energy

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5