Thames & Kosmos Electro Chem Clock Manual

Thames & Kosmos Ikke kategoriseret Electro Chem Clock

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Side 1/2

ELECTRO

CHEM

CLOCK

WARNING — Chemistry Set. This set contains

chemicals and parts that may be harmful if misused. Read

cautions on individual containers and in manual carefully.

Not to be used by children except under adult supervision.

Contents

EXPERIMENT 1

Starting Up the Lemonade Clock!

Information about Environmental Protection

Safety Notes

Dear Parents! How to Assemble Your Clock

STEP 2

STEP 1

NOTE! Not suitable for children under 3 years of age. There is a danger of choking due to

small parts that may be swallowed or inhaled. Individual parts of this kit have sharp or

pointed edges or corners. Do not injure yourself! Do not drink any of the liquids used for

powering the lemonade clock.

NOTE! Only for use by children 8 years and older. Instructions are included for parents

or other supervising individuals, and they must be followed.

Save the packaging and instructions, as they contain important information.

› Two AA batteries (1.5-volt, type AA / LR6 / penlight) are required. They are not

included in the kit due to their limited storage life.

› Avoid short-circuiting the batteries. A short circuit can cause the wires to overheat

and the batteries to explode.

› Do not mix old and new batteries.

› Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium)

batteries.

› Always insert batteries in the right polarity orientation, pressing them gently into

the battery compartment.

› Do not recharge non-rechargeable batteries. They could explode!

› Rechargeable batteries should only be charged under adult supervision.

› Rechargeable batteries are to be removed from the toy before being charged

› Exhausted batteries must be removed from the toy.

› Dispose of used batteries in accordance with environmental provisions.

› Be sure not to bring batteries into contact with coins, keys, or other metal objects.

› Avoid deforming the batteries.

› The wires are not to be inserted into socket-outlets.

Before beginning the experiments, read through the instruction manual with your

child and discuss the safety notes. Check that the lemonade clock has been properly

assembled before use, and assist your child with the experiments. Have fun with the

experiments!

Guide both digital clock wires through

the holes in the assembly board, as

shown in the illustration.

Position the digital clock on the

sloping section of the assembly board.

YOU WILL NEED:

› Assembly board with digital clock, cup for liquids,

cup lid, 2 copper sheets, 2 zinc sheets,

lemonade or lemon soda

Firmly insert both contact springs

narrow-side-down into the assembly

board. The picture shows the correct

position.

Guide the black wire from the bottom

through the hole next to contact

spring 1. Guide the red wire through

the contact board next to contact

spring 2.

When you bend the contact springs to

the side, it creates gaps in which you

can clamp the ends of the wires.

Clamp the digital clock’s black wire in

contact spring 1 and the red wire in

contact spring 2.

YOU WILL NEED:

› Digital clock, assembly board

with battery compartment, 2

contact springs

1st Edition 2013

Pfizerstrasse 5 – 7, 70184 Stuttgart, Germany

This work, including all its parts, is copyright protected.

Any use outside the specific limits of the copyright law is

prohibited and punishable by law without the consent of

the publisher. This applies specifically to reproductions,

translations, microfilming, and storage and processing

in electronic systems, networks, and media. We do not

guarantee that all the information in this work is free

from copyright or other protection.

Project management: Dr. Mark Bachofer, Kristin Albert; Technical

product development: Dr. Petra Müller; Manual design: Atelier Bea

Klenk, Berlin; Basic manual layout: Anke Engelmann, 599media,

Freiberg; Revision and technical editing: Natalie Rapka, reinisch AG,

Karlsruhe; Manual and packaging photos: ilker canikligil (water

drops), atoss (lemon), ApostolPetr (atom, all © shutterstock.com); jufo

(water tap), Markus Mainka (bottles, both © fotolia.com); Alessandro

Volta painting, unknown artist, Wikipedia, public domain; Manual and

packaging illustrations: Phil Porter, reinisch AG, Karlsruhe; Packaging

design and layout: Peter Schmidt Group GmbH, Hamburg

RI, U.S.A.

® Thames & Kosmos is a registered trademark of Thames &

Kosmos, LLC.

Editing: Ted McGuire; Additional Graphics and Layout: Dan

Freitas

Distributed in North America by Thames & Kosmos, LLC.

Providence, RI 02903; Phone: 800-587-2872;

Email: support@thamesandkosmos.com

We reserve the right to make technical changes. Printed in China / Imprimé en Chine

›

Digital clock

›

2 Copper sheets

›

2 Zinc sheets

›

Cup for liquids

›

Cup lid

›

Assembly board with battery

compartment

›

2 Contact springs

You will also need:

› Lemonade or lemon soda

› Paper towels

› Various liquids

› 2 x AA Batteries (1.5-Volt, type

AA / LR6 / Mignon)

1. Fill the two chambers of the cup with lemonade

or lemon soda up to about 1 cm beneath the rim.

This will be your battery’s conducting liquid.

2. Put the lid on the cup. Slide one reddish copper

sheet and one silver-colored zinc sheet through

the slits of each chamber.

3. Mount the cup on the assembly board as shown in

the illustration. Clamp the cup’s black wire into

contact spring 1 and the red wire into contact

spring 2.

None of the electrical or electronic components in this kit should be

disposed of in the regular household trash when you have finished using

them; instead, they must be delivered to a collection location for the

recycling of electrical and electronic devices. The symbol on the product,

instructions for use, or packaging will indicate this.

The materials are reusable in accordance with their designation. By reusing or

recycling used devices, you are making an important contribution to the protection

of the environment. Please consult your local authorities for the appropriate

disposal location.

Now your clock will start running! You will see

numbers and blinking double dots appear on

the display.

CAUTION!

Do not let the sheets touch each

other! The pair of sheets connected by the red

wire must not be inserted together into a single

chamber.

WHY As soon as the electrodes are immersed into the liquid, they

release positively-charged metal ions from the sheets due to the action of the

acids in the lemonade, getting back negatively-charged electrons in return.

These electrons are then able to move freely in the metal.

That happens in the copper as well as the zinc, but there’s an important

difference. The copper atoms are very reluctant to accept back any electrons,

while a lot of electrons collect very quickly in the zinc sheet.

Now, if you connect the two sheets, it closes the electrical circuit. The excess

electrons move from the zinc electrode to the copper electrode. Electrical

current flows!

Would you like to know what electrodes, ions, and electrons are? Then take

a look at the “Check It Out” section!

Contact spring 2Contact spring 1

EXPERIMENT MANUAL

ATOMS, IONS,

AND ELECTRICAL

CHARGE

All the substances that make up our world,

such as air, water, and rocks, are made of tiny

building blocks known as

atoms.

For a long

time, scientists thought that these building

blocks could not be broken down any farther,

although we know better today.

In fact, atoms are composed of even smaller

particles. These include a nucleus, which

contains positively-charged protons, around

which fly tiny, negatively-charged

electrons.

Normally, an atom has an equal number of

protons and electrons, meaning that it has

neither a positive nor a negative charge — in

other words, it is

electrically neutral.

If the number of electrons doesn’t match the

number of protons, the atom has a positive

or negative

charge.

A charged atom is

known as an

ion.

EXPERIMENT 3

EXPERIMENT 2

How to Set Your Clock

Does It Have to Be Lemonade?What Does the Display Show? Battery Power for Your Clock Check It Out

Under the display, you will

see two buttons:

and

Your clock has two display

modes:

WHO INVENTED THE

BATTERY?

The first working battery, a so-called

voltaic

pile,

was built around 1800 by the Italian

scientist

Alessandro Volta.

This highly

significant invention in turn made it possible to

conduct research into electricity.

Start by releasing all wires from the contact

springs and pulling them out through the

assembly board from underneath. Remove the

contact springs from the assembly board. Pull

the metal sheets out of the cup of liquid and rinse

them off. Take the cup off of the assembly board.

Pour the liquid from the cup down the drain.

Rinse out the cup and clean the sink to avoid any

stains.

Dry all the pieces with a paper towel and place

them back in their packaging.

Time Display

This shows the time on the display, in hours and minutes. When you push

, it

shows a date display — the month and the day. After a few seconds, the time will be

displayed again automatically.

Alternating Display

By pushing

, you switch to the alternating display. At a rate of once per

second, the display will alternate between time and date. Then, if you push

the seconds will be shown.

If you then push

again, it takes you back to the time display.

By pressing

, you can set the current hour. The displayed number increases by

1 with every push, and switches back to 1 after 12.

You will see that there is a letter A behind the number, which stands for a.m. or

morning. After you press 12 times, the letter switches to P — for p.m., or afternoon/

evening.

You will have to be sure to set the letter correctly depending on whether it is, say, 8

in the morning or 8 in the evening.

YOU WILL NEED:

› Assembled board with digital clock, water,

paper towel, 2 x AA batteries (1.5-volt, type

AA/LR6/penlight)

Now you just have to insert the two batteries

into the battery compartment. Make sure that

the

and

signs on the batteries match up

with the signs in the compartment.

STEP 1

STEP 2

Insert the two contact springs into two holes

next to the battery compartment.

Guide the black wires next to contact spring 1

through the assembly board holes from beneath

and the red wires in the same way to contact

spring 2, as shown in the illustration.

Connect the black wire from the battery

compartment and the black wire from the digital

clock to contact spring 1 and the red wire from

the battery compartment and the red wire from

the digital clock to contact spring 2.

Press

again in order to set the minutes. The displayed number increases by 1

with every push, and switches back to 00 after 60.

Press

This takes you to the month setting mode.

Press

This takes you to the day setting mode.

Then press

to get the correct day.

The displayed number increases by 1

with every push, and switches

back to 1 after 31.

If you then press

, you can set the display to the current month. The

displayed number will increase by 1 each time you press, and switches to 1

(January) after 12 (December).

IMPORTANT To set the date and time, you have to switch the clock

to the alternating display mode.

WHY The clock runs because you have now replaced the lemonade

battery with ordinary batteries. The ordinary batteries supply electricity to

the clock just like the lemonade battery did.

Press

This takes you to the hour setting mode.

Press

This takes you to the minute setting mode.

Press

Now the correct time is shown on the display.

CAUTION!

Be sure to have an adult

check that you have connected all the

wires correctly!

YOU WILL NEED:

› Assembled board with digital clock, water, paper towel, various liquids (for

example, diluted vinegar, cola, fruit juice)

1. Start by disconnecting the two metal

sheet wires from the contact springs.

Remove the metal sheets from the

liquid cup and rinse them off. Take the

cup off the assembly board and pour

the lemonade down the drain. Rinse

out the cup and clean the sink to

avoid any stains.

Dry all the pieces with the paper

towel.

2. Then fill the two chambers of the cup

with some other liquid, up to about 1

cm beneath the rim.

Which liquids work to make your clock

run? Write them down here!

THE MOST

IMPORTANT PARTS OF

YOUR BATTERY

The metal sheets immersed in the

lemonade are the so-called

electrodes

of the lemonade

battery. It is crucial that they are

made of different materials. The

electrodes in this kit are made of

copper and zinc.

The lemonade is the battery’s

conductive liquid, also known as

an electrolyte.

It has to contain a

little acid for the battery to work.

Most soft drinks contain some citric

acid.

TIP

The electrons react with the positive zinc particles in the conductive liquid.

That gradually creates a layer of zinc on the copper electrode. When that happens,

no more current can flow, since both electrodes outwardly consist of the same

material.

You can get the current flowing again by cleaning the metal sheets with

a little sandpaper and using a new batch of lemonade.

Contact spring 1 Contact spring 2

3. Close the cup with the lid and insert

the metal sheets through the slits as

described in Experiment 1.

4. Re-mount the cup on the assembly

board and clamp the wires into their

proper contact springs.

Produkt Specifikationer

Mærke:	Thames & Kosmos
Kategori:	Ikke kategoriseret
Model:	Electro Chem Clock

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