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

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Thames & Kosmos

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Handleiding

It’s easy to observe the peas sprouting

through the transparent sides of the dome.

Aer a few days, lile roots will make their

appearance out of a tiny hole in the side

of the pea. Aer a few more days, you will

clearly see the roots growing downward.

Now, turn the dome upside down so the

roots point up. You will observe that the

sprouts can tell the diﬀerence between

up and down, and the roots will soon start

growing downward again! You can plant the

seedlings in a pot aerward.

Pea Roots

EXPERIMENT

You will need: pipee, pea seeds,

greenhouse, paper towels, water, tape,

sunny windowsill

Wet two paper towel sheets with the

pipee.

Put three pea seeds into the greenhouse

dome and place the paper towels on top

of them.

Fill the rest of the greenhouse dome with

crumpled-up paper towels, enough to push

the peas against the side of the dome.

Put some tape across the boom of the

greenhouse dome to keep everything

packed in place. Place the greenhouse

dome back on the greenhouse.

Wait a few days. Observe each day. Keep

the paper towels moist. What happens?

Continue with the experiments on the next

page.

WHAT’S

HAPPENING?

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