LAVA LAMP

Let's make a lava lamp!!


Materials:
A clean, clear plastic pop bottle with lid and label removed.
A funnel
Vegetable oil
Food colouring
4 alka-seltzer tablets
Water

Instructions

Put 3/4 vegetable oil into pop bottle with the help of the funnel, and then add water until the bottle is full.

Then add a few drops of food colouring.

Break all the alka-seltzer tablets into half, you should be having 8 pieces of alka-seltzer tablets.

Drop each piece into the mixture one at a time, waiting until the bubbling stops each time you drop a piece.

Now put the lid on, and put the bottle on it's side and gently lift each end of the bottle so the liquid moves back and forth.

There you go. Your lava lamp is ready!!!!

A TEST TO PROVE THAT A MATERIAL IS HARDER THAN ANOTHER MATERIAL!!

If you have to materials:- Stone and a piece of foam, you can easily tell which is harder just by touching the materials, But if you have:- stone and wood, it would be difficult to tell which if harder. Than let me tell you a method which would help you to tell which material is harder!!


Materials:
Stone
Wood

Instructions

Take stone in one hand and the wood in the other hand.
Now rub them with each other. The object that does not gets scratched is said to be harder than the scratched object!!

MAGIC BALLOON!!

Can you believe that a balloon full of air won't burst if you place it on a wood full of nails!! Don't believe me?? Then try out this experiment!


Materials:
A piece of wood 
Many nails
Hammer
A blown up balloon

Instructions

Hammer the nails on the wood. Make sure that the nails are very close to each other and are at the same level.

Now drop the balloon on the tip of the nails if you want you can also press the balloon to the nails.Does the balloon bursts??  NO!!!

HOW TO BOIL WATER IN A PAPER CUP???

Let's boil water in a paper cup!!


Materials:
A paper cup
Water
Candle
Matchbox

Instructions

Fill the paper cup with water.

Now light the candle and keep the paper cup containing water on the burning candle.  Does the paper burns? NO!!!

What is happening??

This is because the water absorbs the heat of the candle before the heat can even harm the paper!

 This experiment shall be done under ADULT SUPERVISION.

HOW TO PROVE IF AN EGG IS BOILED OR NOT??

When a boiled and a raw egg gets mixed it gets very difficult to find out the difference between them. But there is a way to find out that which egg is boiled or not! Let me tell you!


Materials:
A boiled egg
A raw egg
2 plates

Instructions

Place the eggs in two different plates.

Now spin the eggs the egg that keeps on spinning for a longer time is the boiled one and the other is the raw one.

THERE IS ALSO ANOTHER METHOD!

Spin the eggs again but now before they stop stop them with your fingertips and then release it. 

The egg that starts moving again is the raw egg.

BALANCING BUTTERFLY!!

How about making a butterfly that sits on your fingertips without any support? Let's make one!


Materials:
1 broom straw
Tape
2 same coins
A thin cardboard

Instructions

Draw a butterfly on the cardboard make sure that the butterfly's wings are same in length.

Now stick the two coins each on the upper wing at the same point - One on the right and one on the left.

Then stick a broomstick exactly at the center with it's end protruding a little from it's mouth and tail. 

Here your balancing butterfly is ready!

SCIENCE HELPS IN GARDENING!!!!!

Many people are fond of indoor plants. But hesitate to go in for them just because for extra care they call for. For instance ,who would take care of the plants when the whole family has gone out for vacation? At some places neighbours might take care of them, but you always don't have such caring neighbours. So what should one do? Stop keeping such plants to enjoy their vacation? Not anymore! Travel where ever you want without any tension leave the work to science! Let's see what to do?!?! 


Materials:
Cotton string
A potted plant 
A bowl full of water

Instructions

Put the bowl full of water on a table.

Now, put the potted plant just below the table.

Then insert one end of the cotton string into the soil and the other into the water in the bowl.

Observe:  The water will start moving up through the string and then start going down along with the string to the pot!

Remember: For each plant the string should be different, but however the container can be the same!

HOW TO SEE SOLAR ECLIPSE SAFELY??

Do you know what is a solar eclipse ??? No?? Solar eclipse is caused when the moon comes in between of the sun and the earth.

SOLAR ECLIPSE

Looking at the sun during the solar eclipse is very harmful for your eyes. It can also blind people. But, you still want to see the solar eclipse?? Then, let's make a device to help us look at the sun during solar eclipse!!


Materials:
2 A4 sized white cardboard sheets
Drawing pins

Instructions

Take a drawing pin and punch a small hole in the center of one of the two cardboards.
Now place the cardboard without the hole on the ground outdoors.
Now place the cardboard with the hole 30cm apart and over the cardboard with the hole.

THIS IS HOW THE DEVICE SHOULD LOOK

Observe: The sun is projected on the plain sheet of cardboard!

EATING IRON FOR BREAKFAST!!!

Can you believe that you eat iron almost everyday?? No??? Well then let me prove it to you!!


Materials:
1 bowl of breakfast cereal
Pencil
Magnet
Ziplock plastic bag
White filter paper
Magnifying glass
Tape
Water

Instructions

Put the bowl of cereal into the ziplock and zip the bags.
Crush the cereal with your hands until you get a fine powder.
Put the crushed cereal into the bowl.
Add a lot of water to the cereal to make the mixture thin.
Tape the magnet to the end of the pencil and stir the cereal with the magnet for 10-15 minutes.
Lift out the magnet and gently wipe the magnet with the filter paper. Now see the magnet with magnifying glass


Observe: You will see bits of iron on the magnet they will look like small sark dots on the magnet!!




But, do not eat nails, and other iron object your teeth might brake!!!

HOW DINOSAUR DIGESTS FOOD???

Let's see what happened when vegetarian dinosaur ate leaves!!!


Materials:
6 leaves
Scissors
Water
Teaspoon
2 round stones or pebbles
Plastic bowl

Instructions

Cut all the leaves and put them into the bowl.

Now add 1/4 teaspoon of water.

Then grind the leaves between the stones.

What is happening???

The water turns green! HOW?? This is what happens to dinosaur's stomach. A dinosaur swallowed stones called gastrolithes to help it eat leaves! As the stones released the edible parts of the leaf, bacteria in the dinosaur's stomach rotted the food. This helped the dinosaur to digest its food!!!