Thames & Kosmos Wow in the World: Everlasting Volcano handleiding

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Thames & Kosmos

12 pagina's

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Handleiding

COLOR-CHANGING SLIME ERUPTION

Place the volcano model on a at

surface with some newspaper or

paper towels under it.

Remove the lid from the container

of slime. Fill the crater of the

volcano to the brim with slime.

Press the lava lever down. The

crater will bulge upward a little.

Press the lava lever down a few

more times until the crater pops

up and the lava erupts down the

sides of the volcano!

Press the reset button

and push the crater

back down to reset the

crater after the eruption.

Hold the slime in your hand for a

couple of minutes. Do you see it

change colors from reddish orange

to yellow? Also try warming up or

cooling down a metal spoon under a

faucet and touching it to the slime.

The volcano pops up because there is a machine inside of it that

pushes the crater upward a little bit with each push of the lava lever.

You can see how this machine works on page 7. This models how

preure builds up inside a real volcano,

causing lava to erupt out.

The slime changes color because it contains a

special pigment

that

changes color based on its

temperature.

Read about this on page 6.

What’s

going

on her?

RESET

BUON

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