IB-ESS Energy Conversions Review

In the process of Photosynthesis, ​ ​ (a)   are the inputs while ​ (b)   are the outputs. Furthermore, the energy transformation occurring is from ​ (c)   .

• sunlight, CO2 and H2O
• Glucose and O2
• light energy into stored chemical energy
• energy for work (ATP) and H2O
• stored chemical energy into kinetic energy (heat)

Tags

NGSS.MS-LS1-6

In the process of Cellular Respiration,​ ​ (a)   are the inputs while ​ (b)   are the outputs. Furthermore, the energy transformation occurring is from ​ (c)   .

• light energy into stored chemical energy
• energy for work (ATP) and H2O
• stored chemical energy into kinetic energy (heat)
• Glucose and O2
• sunlight, CO2 and H2O

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

Which one of the following options is true for ecosystems? 

• Ecosystems are sustained by a constant provision of energy and matter from external sources.

• Ecosystems are closed systems where energy and matter are recycled continuously.

• Ecosystems are isolated systems where energy and matter cannot enter or leave.

• Ecosystems rely only on internal processes to generate energy and matter.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In a forest ecosystem, which one of the following  processes involves the transformation of both energy and matter?

• Production of feces by mammals.

• Decomposition of inorganic matter by soil microorganisms.

• Evaporation of water from leaves, transferring moisture into the atmosphere and cooling the surroundings.

• Photosynthesis in tree leaves, converting carbon dioxide into glucose and converting solar energy into chemical bonds.

Tags

NGSS.MS-LS1-6

What kinds of organisms perform Photosynthesis? Select all that apply.

• Autotrophs

• Producers

• Consumers

• Heterotophs

Tags

NGSS.MS-LS1-6

What is the primary function of chlorophyll in photosynthesis?

• Producing oxygen

• Absorbing light energy

• Releasing carbon dioxide

• Converting glucose to starch

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What kinds of organisms perform Respiration? Select all that apply.

• Autotrophs

• Producers

• Consumers

• Heterotophs

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3