Inside a Seed: teacher key

How Plants Grow, grade 2 edition, written for 2nd grade. A seed is small, but a baby plant is inside it. Find out how water and warmth wake it up, and how seeds travel.

Read the book. Print this page for the key.

Questions and answers

1. What is inside a seed?
   • A tiny baby plant (answer)
   • A small rock
   • A drop of milk
2. What does a dry seed do when it gets water?
   • It floats away
   • It soaks up the water and swells (answer)
   • It turns blue
3. What comes out of the seed coat first?
   • The leaves
   • The flower
   • The root (answer)
4. Why can too much water hurt a seed?
   • It turns the seed blue
   • It can leave the seed with too little oxygen (answer)
   • It makes the seed too big to plant
5. Which seed is about the size of a grain of oatmeal?
   • A coconut
   • A giant sequoia seed (answer)
   • A bean

Words

• seed: plant starter
• shoot: new top part
• pollen: flower dust
• sequoia: giant tree