Understanding Autumn Leaf Colors

What color do most children use to draw trees in the summer?

• Yellow

• Green

• Red

• Orange

What happens to chlorophyll in leaves as the days get shorter?

• It decays and is not replenished

• It changes color to red

• It is replenished more quickly

• It becomes more vibrant

Which pigment is primarily responsible for the yellow color in autumn leaves?

• Chlorophyll

• Xanthophyll

• Anthocyanin

• Carotenoids

What environmental factor can affect the production of pigments in leaves?

• Amount of rainfall

• Wind speed

• Soil type

• Amount of sunlight

Which pigment is produced in high concentrations in red maple leaves during sunny days?

• Xanthophyll

• Anthocyanin

• Chlorophyll

• Carotenoids