Photosynthesis

the ultimate source of energy is

• light

• heat

• sun

• electricity

When _____ hits the atmosphere, dust, and other particles separate it into different _____________.

• sunlight

  wavelengths

• sunlight

  colors

• sunlight

  rainbows

• sunlight

  waves

Light, or “white light”, is made up of all colors of light mixed together.

• True

• False

White light contains __________ wavelengths.

• only red

• red and blue

• orange and yellow

• all

Each wave has different lengths and each wavelength presents itself as a color.

• true

• false

A tiny bundle of energy by which light travels

• Photographs
• Photos
• Photons
• Friends

Process used by plants and other autotrophs to capture light energy and use it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches

• Photosynthesis

• ATP synthase

• Calvin Cycle

• Photosystems

Light-absorbing molecule used by plants to gather the sun's energy

• Pigment

• Chlorophyll

• Stroma

• Thylakoid

Different pigments absorb ______ wavelengths of photons.

• different

• the same

• no

• all

The wavelengths that are not absorbed are _____ as color.

• reflected

• refracted