Read the given statements and select the option that correctly identif...
Water expands when it freezes (T), the speed of light is faster than the speed of sound (T), sugar is a simple carbohydrate, not a complex one (F), and the Nile River is the longest river in the world, not the Amazon (F).
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Read the given statements and select the option that correctly identif...
Water expands when it freezes:
- True (T)
- When water freezes, it forms a crystalline structure which causes it to expand, unlike most substances which contract when they solidify.
The speed of light is faster than the speed of sound:
- True (T)
- Light travels at a speed of approximately 299,792 kilometers per second, which is much faster than the speed of sound in air, which is about 343 meters per second.
Sugar is a complex carbohydrate:
- False (F)
- Sugar is a simple carbohydrate, not a complex one. Complex carbohydrates are made up of multiple sugar molecules linked together, while simple carbohydrates consist of one or two sugar molecules.
The Amazon River is the longest river in the world:
- False (F)
- The Nile River in Africa is actually the longest river in the world, with a length of about 6,650 kilometers, while the Amazon River in South America is the second longest.