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Beans and Beginnings
Follow Vince from a handful of beans to a plant by the window. Compare dry and damp seeds, watch roots and leaves develop, then turn a pot and look for new growth.
Turn the pagesOr scroll to readA little beginning
Pages 1–2
These little beans? How can they become plants?
Explore together · Seeds can develop into plants
Vince compares the beans in his palm with the plant pictured on their packet. A viable common-bean seed can begin growing when its conditions are suitable. The picture poses the question; it does not promise that every seed will sprout.
Ask together: What looks different about the beans and the plant on the packet?
Two beds for the beans
Pages 3–4
These stay dry. These get a damp bed. I'll keep looking.
Explore together · Comparing dry and damp conditions
Three beans rest against white paper in each open jar. Vince adds water to the blue-banded jar and leaves the red-banded jar dry. Moisture is one condition for germination. Oxygen, a suitable temperature and a viable seed also matter; adding water alone cannot guarantee growth.
Ask together: What has Vince changed in one jar?
The first change
Pages 5–6
Days later... the dry beans look the same. But this one's splitting!
Explore together · Germination becomes visible
Days later, the dry beans look unchanged. A swollen bean in the damp jar is splitting, with a short white root emerging. The root is the first part to emerge from the germinating seed. Seeds can develop at different rates, and some may not sprout.
Ask together: What can you spot on the splitting bean?
Down and up
Pages 7–8
A root curls down. A little shoot lifts up.
Explore together · Different parts develop
A long pale root curls downward while a green shoot lifts two fleshy seed leaves and a small folded tip. In this common bean, the shoot lifts the cotyledons, or seed leaves. The first true leaves begin above them. Other kinds of beans can emerge differently.
Ask together: Which part goes down, and which part lifts up?
More from one bean
Pages 9–10
Tiny roots branch out. Two leaves unfold. All from that little bean!
Explore together · Roots branch and true leaves open
Fine roots branch from the main root and two flatter leaves open above the fleshy seed leaves. Vince points to his earlier bean drawing. The first true leaves of a common bean form an opposite pair. Later leaves have three leaflets. These drawings show changes in parts, rather than measured growth in height.
Ask together: What has changed since Vince drew the little bean?
Room to keep growing
Pages 11–12
You need more room. We tuck your roots into soil.
Explore together · Moving from observation to care
An adult steadies the seedling while Vince tucks soil around its roots in a blue pot. Two seedlings remain in the damp jar. A paper-lined jar is a temporary observation setup. An adult can help transfer a seedling gently into potting mix, with drainage, suitable light and water; avoid pulling the stem or roots.
Ask together: Where are the roots going now?
Turn the pot
Pages 13–14
It's leaning toward the window. What if I turn the pot?
Explore together · An action changes the plant's orientation
The plant leans toward the right-hand window. Vince turns the pot, and the existing plant now leans away from the window. Turning the pot turns the plant with it. The cream dot on the pot moves out of view; the window stays on the same side. This turn is Vince's action, not new growth.
Ask together: What moved when Vince turned the pot?
Look again later
Pages 15–16
I wait. And wait. The new tip grows back toward the light.
Explore together · New growth can change direction
Vince waits. The lower stem keeps its older bend while a longer upper tip curves back toward the window. The growing shoot can curve toward light as its two sides grow differently. This is gradual growth, not a decision or an instant turn. A clear bend depends on conditions and is not guaranteed.
Ask together: Where is the new tip pointing now?
A quiet notebook
Pages 17–18
For grown-ups
Pages 19–20
For Grown-Ups Vince follows common-bean seeds through many days of change. The pictures show one possible growing journey. Seeds, timing and conditions vary. A beginning needs the right conditions Water, oxygen and a suitable temperature allow a viable seed to begin germinating. A damp-paper comparison makes change visible, but water alone cannot guarantee it. Too much water can leave too little oxygen. Some seeds may never sprout. One seed, different parts The root emerges first, followed by the shoot. In the common bean pictured here, two fleshy seed leaves, called cotyledons, rise with the shoot. The later, flatter leaves open above them. Later leaves have three leaflets. Roots branch below. Other kinds of beans can emerge differently. Growth can change direction Turning the pot turns the existing plant with it. Later, the growing upper shoot can curve toward the window because its two sides grow differently. This is phototropism. The plant is growing, not deciding where to go; the older bend need not disappear. Keep looking together With an adult, put three untreated common-bean seeds from one packet between white paper and the wall of each of two wide, open, clear containers. Dampen the paper in one; leave the other dry. Keep both in the same comfortably warm place, away from hot direct sun. Keep the damp paper moist, without standing water. Look daily and draw what changes, if anything. There is no promised sprouting day. Give the seedling room An adult can help move a seedling gently into potting mix in a pot with drainage. Avoid pulling its stem or roots. Keep the roots covered and the leaves above the mix. Give it suitable light and water. If it leans toward a window, turn the pot and draw the shape. Look again over several days: where is the new growth? A clear bend is not guaranteed. Adults supervise seed handling and help with containers and potting. Do not taste the seeds, sprouts or growing materials. Wash hands afterwards. Damp-paper observation is temporary; do not leave a growing plant crowded in a jar. Sources Illinois Extension: Germination; Snap Beans. Saskatchewan: Dry Bean Adaptation and Varieties. UNH Extension: Grow a Bean in a Jar. CSU Extension: Plants in a Bag. Georgia Tech: Plant Hormones and Sensory Systems. Singh, SDSU (2025): Common Bean Root Development.
Open these pages in the readerSources and evidence
A dry bean seed can begin growing when conditions are suitable; in this illustrated comparison the damp-paper beans sprout while dry-paper beans remain unchanged.
University of Illinois Extension, Great Plant Escape: Germination
Opened 2026-10-23; Germination paragraphs 1-2: water, oxygen and suitable temperature; root emerges before shoot; dry conditions and excessive water can prevent germination.Royal Horticultural Society: All about seeds
Opened 2026-10-23; Activities / What are seeds: apparently inactive seeds can grow under suitable conditions; damp-paper observation and comparison with dry seeds.University of New Hampshire Extension: Grow a bean in a jar
Opened 2026-10-23; Plant beans in a jar (Week 1), steps 1-7: 3-4 beans between jar and damp paper, observe each day and record changes if any, add water only as needed. Source supplies a multiweek exploration, not guaranteed timing.Use several viable untreated common-bean seeds from one packet, same containers/place; vary moisture only. Water is necessary, not sufficient: oxygen, suitable warmth and seed viability matter. Results and timing vary. No claim every seed sprouts. Physical setup not performed.
In the depicted common bean, the seed coat opens, a root emerges first, then the shoot develops; roots and leaves are visibly different structures.
University of Illinois Extension, Great Plant Escape: Germination
Opened 2026-10-23; Germination paragraphs 1-2: water, oxygen and suitable temperature; root emerges before shoot; dry conditions and excessive water can prevent germination.University of Florida / Kentucky / Texas A&M: Germination patterns
Opened 2026-10-23; epigeous pattern: hypocotyl hook and cotyledons raised above substrate. Distinguishes hypogeous pattern; not every bean species shares the same morphology.Government of Saskatchewan — Dry Bean Adaptation and Varieties
Lead independently opened 2026-10-23 after reviewer check. Opened actual page; Classes of dry bean, web line 109, after the list that includes kidney types. Raised cotyledons, a first opposite pair of simple true leaves, followed by alternate trifoliolate leaves.Show common bean (Phaseolus vulgaris), not broad/runner bean morphology. Roots emerge continuously from the seed axis; two fleshy cotyledons and two emerging true leaves must not be confused. No instant plant or detachable sprout. Downward root/upward shoot describe depicted growth, not an absolute direction rule.
Agronomic guidance supplies morphology, not household timing. This directly resolves the leaf-stage question without changing the chosen species.
The first true leaves are opposite and simple; later leaves are alternate and trifoliolate. Final growing tip remains folded with no second simple leaf pair.
As this seedling grows, its root system branches and true leaves unfold; a whole developing plant came from the original small seed.
University of Florida / Kentucky / Texas A&M: Germination patterns
Opened 2026-10-23; epigeous pattern: hypocotyl hook and cotyledons raised above substrate. Distinguishes hypogeous pattern; not every bean species shares the same morphology.University of Illinois Extension, Great Plant Escape: Germination
Opened 2026-10-23; Germination paragraphs 1-2: water, oxygen and suitable temperature; root emerges before shoot; dry conditions and excessive water can prevent germination.Government of Saskatchewan — Dry Bean Adaptation and Varieties
Lead independently opened 2026-10-23 after reviewer check. Opened actual page; Classes of dry bean, web line 109, after the list that includes kidney types. Raised cotyledons, a first opposite pair of simple true leaves, followed by alternate trifoliolate leaves.Gurdeep Singh, South Dakota State University — Quantification of Auxin-Cytokinin Response During Primary Root and Lateral Root Development in Common Bean (2025)
Lead independently opened 2026-10-23 after reviewer check. Opened original thesis repository abstract; web lines 40–48. The research explicitly addresses lateral-root initiation and emergence in Phaseolus vulgaris, independently supporting the branching mechanism in c3.Illustrative sequence over multiple days; no guaranteed rate or size. Distinguish new structures from repeated increase in height. Root absorption and seed stores may be explained in guide but are not claimed visible experimental discoveries.
Agronomic guidance supplies morphology, not household timing. This directly resolves the leaf-stage question without changing the chosen species.
Abstract inspected, not full thesis or figures. Reporter and transgenic-root experiments do not establish the illustrated jar sequence or timing.
A growing shoot can curve toward light; after the pot is turned, later new growth can curve toward the window again.
Georgia Tech Organismal Biology: Plant Hormones and Sensory Systems
Read 2026-10-23 via verified-TLS curl after web fetch 502; local HTML and extracted text retained. Response to Blue Light / Phototropism: differential stem elongation bends growing shoots toward light. Plant Responses to Gravity treats roots and shoots differently. Mechanism supports gradual new curvature, not rigid repositioning or intent.Phototropism is growth, not walking, feeling or conscious searching. Keep older stem bend after half-turn; only later growing upper section curves back. Light direction and elapsed days must be explicit. Illustration is source-supported possible response, not a tested household result or exact time promise.
Growing upper tissue may already exist before turning; new growth wording means elongation/development, not a universal claim that only newly created tissue bends.
Moist but aerated conditions and careful handling support the observation; a seedling can be moved gently into potting mix for continued growth.
University of New Hampshire Extension: Grow a bean in a jar
Opened 2026-10-23; Plant beans in a jar (Week 1), steps 1-7: 3-4 beans between jar and damp paper, observe each day and record changes if any, add water only as needed. Source supplies a multiweek exploration, not guaranteed timing.University of Illinois Extension: Snap Beans
Opened 2026-10-23; Care: excessive moisture can crack seed coats and harm germination; do not pre-soak these beans for sowing. Weak/shallow roots can be injured. Used as counterevidence against generic soak-all-beans instructions.University of Illinois Extension, Great Plant Escape: Germination
Opened 2026-10-23; Germination paragraphs 1-2: water, oxygen and suitable temperature; root emerges before shoot; dry conditions and excessive water can prevent germination.Colorado State University Extension, Stephanie Lamm — Plants in a Bag
Lead independently opened 2026-10-23 after reviewer check. Opened the actual two-page PDF text; page 1 steps 1–3 and page 2 steps 4–7, especially Step 7 lines 37–41. The extension activity moves damp-paper green-bean seedlings gently into soil in a pot or garden for possible continued growth.Adult helps with seeds, containers and potting; avoid pulling stem/root, support seedling gently, keep roots covered in receiving hole, use pot drainage. Do not soak common-bean seeds as a universal instruction. No tasting experiment material; wash hands. Guide invites observation rather than guaranteed reproduction.
This is a bag activity, not a trial of this open jar. It supports qualified possible transplantation; its suggested height is not imposed on the story. PDF screenshot failed with cache miss, so the diagrams were not visually inspected.
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