Experimentos En Ingles

egg saltarin electromagnet

i n g r e d i e n t s m a t e r i a l s

1 egg ° 1.5 v battery

vinegar ° battery holder

plastic container ° 50 cm of insulated conductor (lined) fine

° a metal bar 10-13 cm long

p r o c e d u r e

p r o c e d u r e

Fill the plastic containeer with enough vinegar to completely

cover the egg. ° Roll up the driver on the metal bar that will

Introducing into the container egg. be the core of our electromagnet

Cover with lid ° Once you build the device, it is time to replace

wait 48 hours the battery holder, anf finally connect the ends of

remove the egg and watch boot our electromagnet to terminals.

How does it work ?

CAUTION: Is due to the magnetic effects generated by electrons

if thrown from a great height the egg hatches flowing through the conductive.

gass balloon rainbow

m a t e r i a l s m a t e r i a l s

• 1 balloon ° 1 cup water (3/4)

• 1 plastic bottle (600 ml. Approx.) ° white paper

• ½ cup of white vinegar ° one sunny day

• 1 funnel

• 1 tablespoon p r o c e d u r e

• 1 rubber band

• Baking soda ° On a sunny day, find a lication of the house or yard where

sunlight can be used to their fullest, grabs the glass of water

p r o c e d u r e on white paper and watch the rays of light pass through it.

refraction of rays of sunlight should be visible and form a

Verter while vinager into the plastic bottle. Using the funnel rainbow, if it does not, move the glass in different angles

add two tablespoons of baking soda (can be easily and directions to achieve.

obtained at any pharmacy) inside the balloon. Place the balloon

on the top of the bottle taking freat care that the baking soda

does not fall within the same secure the opening with a rubber

band. Once ready now to dump baking soda inside the balloon

content.

alcohol lamp

m a t e r i a l s

alcohol 96

small glass jar

a wick ignition

a drill

p r o c e d u r e

Make a hole in the lid of the jar with a bit of a size somewhat

smaller than the thickness of the wick (to secure it fixed, but it

can be removed)

glass jar half filled with alcohol

introduce the wick through the hole in the metal lid, leaving a

small part out (which will bind)

shake the below for the wick to soak in and light the exposed end

out with a lighter

invisible ink

m a t e r i a l s

white vinegar or lemon juice

paper sheet

lighter

1 toothpick

p r o c e d u r e

take a toothpick, dip the tip with lemon or vinegar and

writes on paper

Let it dry and the message is invisible

To see him again, about the role a candle and read the

message, liquid when exposed to heat, rust which makes

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