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sience
| Question | Answer |
|---|---|
| 3 types of natural light is | .sun .moon .stars |
| 3 types of artificial light | .car lights .t.v. screen .lamp |
| transparent | when all light goes through an object and an example is a piece of clear glass |
| opaqe | when no light can travel through the object and an example is a wall or a door or a ceramic counter |
| translucent | when only some light can pass through the object and an example is a piece of writing paper |
| 2 reasons why light is important | 1. because it lets us see 2. because without light plants will not grow and if plants do not grow than the animals and the people will have no fruits and vegetables neither will the animals and then the animals will die then the humans will die. |
| the two lenses and there definitions and their examples | concave lenses are thin in the center and thick on the edjes an example is a camera a convex lenses is a thick lenses and an example is a magnifying glass |
| the spectrum of light and ROY G BIV | the spectrum of light is a glass prism and when you shine white light on it it becomes the colours of the rainbow but this is formed because in white light there are the colours of the rainbow |
| indecent ray | when the object is standing up right |
| reflected ray | the ray that is bouncing off the mirror |
| refracted | it occurs when light is bent |
| optic nerve | it connects to the retina to the brain and carries the message of an object |
| pupils | the dark dot in your eye that allows you to see |
| iris | the coloured circle around the pupil |
| cornea | is a see through covering in front of your eye |
| the retina | the screen at the back of your eyeball |