Wake-Up Call for a Seed: teacher key

How Plants Grow, grade 6 edition, written for 6th grade. From a sleeping seed to a tall tree: how plants wake up, take in water, make food from light and pass on their seeds.

Read the book. Print this page for the key.

Questions and answers

1. What must a seed have besides water to sprout?
   • Fur
   • Air with oxygen and enough warmth (answer)
   • Pollen
2. What do fungi give a tree in return for sugar?
   • Minerals and water (answer)
   • Wings
   • Pollen
3. Why are plants green?
   • Because of stomata
   • Because of pollen
   • Because of chlorophyll (answer)
4. A gardener plants apple seeds in a warm room and none sprout. What is the most likely reason?
   • They had no cold spell first (answer)
   • They had too many leaves
   • They were too tall
5. What does transpiration describe?
   • A bee carrying pollen
   • A seed swelling with water
   • Water vapor leaving a plant's leaves (answer)

Words

• transpiration: plant water loss
• stomata: tiny leaf holes
• chlorophyll: green plant stuff
• fungi: mushroom-type living things