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Needs of a Seed
What does a seed need to sprout? Most seeds require only three things: food, water and warmth. Seeds can sprout without light but not without warmth. Seeds must have water and food to sprout.
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You can't trick a sprouting seed. No matter how a seed is planted, the shoot grows upward and the root grows downward. Here's an experiment to do. You'll need a plastic cup, a permanent marker, paper towels, 4 pre-soaked lima bean seeds and water. Here are the steps:
1. Use the marker to draw four equally spaced arrows around the cup, just below the rim. Point one arrow in each of the following directions: up, down, left, right.
2. Press wadded paper towel into the cup, half filling it.
3. Halfway up the cup and below each arrow, tuck a seed between the cup and the wadded paper towel. Position each seed so that its notch points in the same direction as the arrow above it.
4. Press more wadded paper towel into the cup until it is almost filled.
5. Moisten the paper towels with water and then set the seed cup in a warm location.
6. Observe the seeds daily, adding water as needed to keep the paper towels moist.
Like all objects, seeds respond to the earth's gravity. Tiny granules in the shoot orient its growth so that no matter which way a seed is planted, its shoot will ultimately grow upward and its root downward. In fact, plants are so dependent on gravity for direction that when they are placed in special zero-gravity containers, they become confused and grow every which way!
On the Go
Seeds must go to grow; they must leave their parent plants. Additionally, they must land where conditions are right for sprouting. Seeds can travel, including being carried by animals, people, water, and the wind.
How many seed-related foods have you eaten during the last 24 hours? Include breakfast cereals, breads, and cereal grains such as corn, oats, rice, and wheat. Then there's peanuts, beans, peas; including apples and watermelons. Mustard, pepper, dill and chocolate are related to seeds, too.
More About Seeds
Here are some informative books to help continue to grow your youngster's knowledge about seeds.
1. How A Seed Grows by Helene J. Jordan
2. From seed to Plant by Gail Gibbons
3. The Dandelion Seed by Joseph Anthony
4. One Bean by Anne Rockwell
Spring is here and I love flowers. Here's a counting game, Planting A Numbers Garden at Mom to 2 Posh Lil Divas
“You can’t get a cup of tea big enough or a book long enough to suit me." C. S. Lewis