Archive for November 2014

Objects Become Bigger

Using the magnifying glass, you can make small objects become much bigger.

How can you explain a magnifying glass can make many kinds of things look bigger than they look? Do you want to know how? Why don't you do this experiment?

Tools and Materials that you need:

- a magnifying glass

How Come Your Hand writing is upside-down

Mirror is very good at doubling you. But you will never be able to shake your hand with your reflection. When you give your right hand, your reflection will give his / her left hand. Why does your reflection always give the opposite of what you do? What will happen if your handwriting is seen in the mirror? Why don't you do this experiment?

Tool and materials that you need:

a marker

Reflected Light

Of course you already know how to get a reflection of face that looks clearly, that is by a flat and smooth surface of reflection, which is called mirror. What is a mirror? A mirror has a flat and very smooth surface made of glass. Behind the glass is plated with a thin layer that is made of shining metal. If you are standing in front of a mirror, the light will reflect you trhough the glass. To know more, do this experiment.

Tool and materials that you need:

a piece of carton
a flat mirror
a flahlight

Watch out, Your face Becomes Ugly!

Try to sit facing to the front. Can you see objects behind you? But, now put a mirror in frot of you. Can you now see the objects behind you?

There are a lot of ideas to play with and learn about the reflections of light, but now it is supposed to be that the reflecting surface can see your face image well? To find out the reflecting characteristic of light, do the following steps.

Tools and material that you need

a piece of thin aluminum

The steps:

Looking at the Cork Without Light

It is possible that we can see objects without light? if you want find out about this idea, let's do the following experiment.

Tools and materials that you need:

a piece of black carton
a cork
a flashlight

The steps:

Put the flash light, the cork and the black carton on the table.
Form the black carton into a cylinder

Talcum Powder Shows the Beam of Light

If you have not understood alrready how the light moves, you can do this experiment. But do that, you have to use a dark room.

Tools and materials that you need:

a piece of carton

Light Moves Straight

Do you know, how the light moves from one place to another, is it straight or curve?

To answer that qusestion, you need to do the following experiment.

Tool and Materials that you need:

a piece of carton
a flashlight
a string

The steps:

Prepare the flashlight, string, and thick carton on the table.
Make three qual supports that shape rectangular made of thick carton, and then in the middle of the carton is made a small hole.