
Ánh áng và bóng vật
Authored by Lan Hương
Science
3rd Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reflection of light?
Reflection of light is when light disappears upon hitting a surface.
Reflection of light is when light absorbs into a surface.
Reflection of light is when light changes color upon hitting a surface.
Reflection of light is when light hits a surface and bounces back.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are shadows formed?
Shadows are formed when an object blocks light.
Shadows are formed when objects reflect light.
Shadows are formed when objects emit light.
Shadows are formed when objects absorb light.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name one transparent object.
Plastic
Air
Glass
Brick
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name one translucent object.
Clear plastic
Semi-transparent paper
Opaque glass
Frosted glass
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name one opaque object.
Air
Water
Glass
Brick
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the sources of light?
Rocks, trees, animals, buildings, cars
Moon, lightning, water, lamps
Sun, stars, fire, light bulbs, LEDs, candles
Television, computer screens, mirrors, flashlights
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the properties of light?
Light has mass
Light can be smelled
Light is a form of electromagnetic radiation that travels in straight lines, can be reflected, refracted, diffracted, and polarized.
Light is a form of sound waves
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