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
- Put the cork on the dish, and then put it inside the cylinder. What will happen? Do you see the cork from the upper part of the cylinder that is hollow?
What can you do to make you be able to see the cork? - Turn on the flashlight on the upper part of the cylinder that is hollow. What happen now?
Sun Eclipse
Sun eclipse happens when the sun is blocked by the moon so that there is no light that shines the earth. Sunray is our source of life. With th sunray we can see objects because the sunray reflect the light of objects, then it is reflected to our eyes. Imagine when the earth has only one source of light, that is the sun, and then the sun is blocked by the moon, so that there is no light at all to shine the earth, so we cannot see the objects around us.
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