Modeling Seed Dispersal - 2nd Grade Science
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Identify the best simple model to show seeds sticking to an animal.
Identify the best simple model to show seeds sticking to an animal.
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Felt or fabric with Velcro pieces as seeds. Velcro mimics how burr seeds stick.
Felt or fabric with Velcro pieces as seeds. Velcro mimics how burr seeds stick.
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What is the job of pollen in a flowering plant?
What is the job of pollen in a flowering plant?
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Pollen helps make seeds by carrying male cells. Male cells fertilize female cells to form seeds.
Pollen helps make seeds by carrying male cells. Male cells fertilize female cells to form seeds.
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Which option is a pollinator: bee or earthworm?
Which option is a pollinator: bee or earthworm?
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Bee. Bees visit flowers and carry pollen between them.
Bee. Bees visit flowers and carry pollen between them.
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Identify the best simple model material to represent pollen grains.
Identify the best simple model material to represent pollen grains.
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Powder or small dots (for example, glitter or pepper). Small particles mimic pollen's tiny size.
Powder or small dots (for example, glitter or pepper). Small particles mimic pollen's tiny size.
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Which seed feature best fits wind dispersal: wing/parachute or heavy shell?
Which seed feature best fits wind dispersal: wing/parachute or heavy shell?
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Wing or parachute. Light structures help seeds float on air.
Wing or parachute. Light structures help seeds float on air.
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Which option best models animal seed dispersal: seeds sticking to fur or seeds melting?
Which option best models animal seed dispersal: seeds sticking to fur or seeds melting?
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Seeds sticking to fur. Burrs and hooks attach to animal fur naturally.
Seeds sticking to fur. Burrs and hooks attach to animal fur naturally.
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Which option is a clear sign your model shows dispersal, not pollination: seeds move away or pollen moves?
Which option is a clear sign your model shows dispersal, not pollination: seeds move away or pollen moves?
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Seeds move away. Dispersal spreads seeds, not pollen.
Seeds move away. Dispersal spreads seeds, not pollen.
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Identify the best simple model to show water dispersal of seeds.
Identify the best simple model to show water dispersal of seeds.
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A tray of water with floating “seeds” (cork or foam). Light materials float like coconuts or water lily seeds.
A tray of water with floating “seeds” (cork or foam). Light materials float like coconuts or water lily seeds.
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Identify what a model must include to show seed dispersal clearly: source plant, movement method, new location.
Identify what a model must include to show seed dispersal clearly: source plant, movement method, new location.
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Parent plant, a way seeds move, and where seeds land. Shows complete journey from origin through transport to destination.
Parent plant, a way seeds move, and where seeds land. Shows complete journey from origin through transport to destination.
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Choose the best model feature to show animal dispersal: Velcro on “seeds,” tape on roots, or paint on leaves.
Choose the best model feature to show animal dispersal: Velcro on “seeds,” tape on roots, or paint on leaves.
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Velcro on “seeds” to stick to “fur”. Velcro mimics how burrs stick to animal fur for transport.
Velcro on “seeds” to stick to “fur”. Velcro mimics how burrs stick to animal fur for transport.
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Which option is a simple wind-dispersal model: fan with paper seeds, magnifier, or ruler?
Which option is a simple wind-dispersal model: fan with paper seeds, magnifier, or ruler?
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Fan blowing paper “seeds” across a table. Fan simulates wind carrying lightweight seeds away.
Fan blowing paper “seeds” across a table. Fan simulates wind carrying lightweight seeds away.
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Which option is a simple water-dispersal model: basin of water with floating seeds, flashlight, or glue?
Which option is a simple water-dispersal model: basin of water with floating seeds, flashlight, or glue?
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Basin of water showing “seeds” floating and moving. Water carries floating seeds like rivers transport real seeds.
Basin of water showing “seeds” floating and moving. Water carries floating seeds like rivers transport real seeds.
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Which label should point to the moving objects in a seed dispersal model: seeds, petals, or stems?
Which label should point to the moving objects in a seed dispersal model: seeds, petals, or stems?
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Seeds. Seeds are what move to new locations during dispersal.
Seeds. Seeds are what move to new locations during dispersal.
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Which option is a simple pollination model using classroom items: cotton swab, paper clip, or eraser?
Which option is a simple pollination model using classroom items: cotton swab, paper clip, or eraser?
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Cotton swab to move “pollen” between flowers. Cotton swab mimics how insects transfer pollen between flowers.
Cotton swab to move “pollen” between flowers. Cotton swab mimics how insects transfer pollen between flowers.
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Which option best models animal seed dispersal: burrs on fur, petals opening, or roots growing?
Which option best models animal seed dispersal: burrs on fur, petals opening, or roots growing?
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Burrs sticking to an animal’s fur. Animals transport seeds that stick to their bodies.
Burrs sticking to an animal’s fur. Animals transport seeds that stick to their bodies.
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