Thames & Kosmos Barbie Plant Science Kit: Science at the Farm handleiding

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Thames & Kosmos

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Handleiding

What Do Plants Need?

EXPERIMENT

You will need: 4 small pots with dishes, large dish,

plant holder, soil pellets, spatula, pipee, measuring

cup, cress seeds, paper towels, water, sunny windowsill

Fill four small pots with soil from the soil pellet.

(See the ﬁrst experiment for instructions on

expanding the soil pellet.)

Put a few layers of paper towel, trimmed to ﬁt, in

the large pot dish.

Open the packet of cress seeds. Sprinkle some

cress seeds on top of the soil in the four small

pots and also onto the paper towel in the large

pot. Don’t plant the seeds too close together, or

they will crowd each other and will not grow well.

Fill the measuring cup with water. Using the

pipee, drip water from the measuring cup onto

the seeds in the four pots and the dish. Water

them so that the soil and the paper towel are

completely saturated.

Set the plant stand on a windowsill. Place the four

small dishes onto the plant stand. Put the four

pots on the dishes. Place the large dish next to the

plant stand.

Wait three to six days for the cress seeds to

germinate (sprout) and grow taller. Water daily, or

whenever you notice the soil or paper towel have

dried out. Lile plants are also called seedlings.

Observe the cress sprouts. What do you notice

about the sprouts in the pots and the sprouts on

the paper towel?

Use the pots of cress in the

experiments on the next

page. Keep the sprouts in

the dish growing to see

what happens.

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