p.130-135 CPO Online What is photosynthesis? Photosynthesis is a __________________ __________________ that takes place in the chloroplasts of plant cells. During photosynthesis, plants use the energy of sunlight to produce energy-rich molecules called ______________ (ex. glucose). In photosynthesis, plants take in _____________ ___________ & water. It releases __________ & oxygen.

_________________ are where photosynthesis occurs. Chloroplasts work much like ________ _________ found in calculators.

Light and color The _______ provides Earth with a steady source of light. Your eyes see sunlight as ___________ light, but it is really made up of different colors of light. A clear prism can split white light into a rainbow of color.

Light is part of a collection of waves known as the _________________ _________________. Waves can be described by their wavelength (length from peak to peak), & their __________. __________ is how we experience the energy of light.

Chlorophyll A _____________ is a molecule that absorbs some colors of light and reflects others. Chlorophyll is the main pigment used in ____________.

Chlorophyll ______________ mostly blue and red light, & ______________green light. This is why most plants look green.

Cellular respiration Cellular respiration is a ____________ ________________ that occurs in all living things. Cells use _________ & _______________ to produce ________ ________, ________ &_________.

In most eukaryotic organisms, cellular respiration takes place in the __________________ of cells. During cellular respiration, energy is stored in a molecule called _________ while some energy is released as heat.

Comparing photosynthesis & respiration The chemical equations of photosynthesis and respiration have an interesting relationship. The reactants in photosynthesis are the _____________ in cellular respiration! The _____________ in cellular respiration are the products in photosynthesis!