Understanding Autumn Leaves

What is the primary role of leaves in a plant?

• To provide shade

• To protect the plant from insects

• To absorb nutrients from the soil

• To produce food through photosynthesis

What chemical is responsible for the green color of leaves?

• Glucose

• Carbon dioxide

• Oxygen

• Chlorophyll

Why do leaves change color in the fall?

• The leaves get more water

• The tree produces more chlorophyll

• Chlorophyll breaks down, revealing other pigments

• The tree absorbs more sunlight

What happens to deciduous trees in winter?

• They produce more chlorophyll

• They lose their leaves

• They grow new leaves

• They keep their leaves

How do evergreen trees survive in cold climates?

• By dropping their needles

• By having small, tough needles that retain water

• By growing larger leaves

• By storing more glucose