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Copy of 8Ja Beta (11/19/2024)
By Katie Bruce
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Last updated 5 months ago
10 questions
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Question 1
1.
Explain how shadows form.
Shadows form when light bends around an object.
Shadows form when light is absorbed completely by an object.
Shadows form when light is blocked by an opaque object.
Shadows form when light speeds up near an object.
Question 2
2.
Describe how light allows us to see objects around us.
Light travels directly from our eyes to the objects we see.
Light bounces off objects and enters our eyes.
Objects produce their own light that enters our eyes.
Light only allows us to see objects that are close to us.
Question 3
3.
What is a
luminous
object? Give two examples.
An object that reflects light, like a mirror or polished metal
An object that produces its own light, like the Sun or a candle
An object that blocks light, like wood or stone
An object that is always visible in the dark
Question 4
4.
Why is the Moon visible to us, even though it is not a light source?
It has special chemicals that produce light.
It reflects light from the Sun.
It produces heat that makes it glow.
It only appears at night.
Question 5
5.
Describe what happens to light when it travels through a transparent material.
The light is completely blocked.
The light bends around the edges.
The light passes through with little or no scattering.
The light gets absorbed and produces heat.
Question 6
6.
How does a mirror change the direction of light?
It absorbs light to create an image.
It bends the light as it passes through.
It reflects light in a predictable direction.
It spreads light out in all directions.
Question 7
7.
Why does light travel faster through air than through water?
Water absorbs more light energy.
Light is affected by the density of the material.
Air has a reflective surface that speeds up light.
Light slows down in air to create a clearer image.
Question 8
8.
Explain how a camera uses light to form an image.
A camera absorbs light to form images.
A camera uses mirrors to scatter light randomly.
A camera lens focuses light to create a clear image on film or a sensor.
A camera speeds up light to make the image brighter.
Question 9
9.
Why does a shadow sometimes appear bigger or smaller?
Question 10
10.
Describe what happens when light hits a shiny, smooth surface.