Fall Chemistry

What color of light does chlorophyll reflect?

• Red

• Blue

• Green

• Yellow

What is true about chlorophyll?

• It is a very stable compound that rarely breaks down.

• It is continuously synthesized by plants during summer.

• It is only produced in autumn to change leaf colors.

• It absorbs green light and reflects other colors.

What causes the Earth's seasons to change?

• The Earth's distance from the sun changes throughout the year.

• The Earth's axis of rotation is tilted as it orbits the sun.

• The sun's intensity changes throughout the year.

• The moon's gravitational pull on the Earth.

Which pigments are primarily responsible for the yellow color in autumn leaves?

• Anthocyanins

• Flavonoids

• Chlorophyll

• Carotenoids

Write one thing you learned.