| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.49 |
| Score | 0% | 70% |
An asteroid belt holds many of the asteroids in our solar system. It is located between the orbits of which planets?
Mercury and Venus |
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Mars and Earth |
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Mars and Jupiter |
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Jupiter and Saturn |
The solar system also contains over a million rocky fragments of at least 1km in diameter called asteroids as well as millions more with smaller diameters. Many of these asteroids are an asteroid belt between the orbits of Mars and Jupiter.
Carbohydrates are found in:
animal sources |
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vegetable oils |
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sugars and starches |
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food additives |
Carbohydrates are major sources of energy for the body and are found in sugars (fruit, cane sugar, beets) and starches (bread, rice, potatoes, pasta).
Elements in the Periodic Table of the Elements are ordered by which of the following?
atomic number |
|
atomic mass |
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number of electron shells |
|
atomic weight |
The Periodic Table of the Elements categorizes elements primarily by the number of protons in their nucleus (atomic number) and secondarily by the characteristics they exhibit.
In the food chain, omnivores may be which of the following?
secondary consumers or scavengers |
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secondary or tertiary consumers |
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primary or secondary consumers |
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primary or tertiary consumers |
Secondary or tertiary consumers may be omnivores.
The Earth's rocks fall into three categories based on how they're formed. Which of the following is formed from the hardening of molten rock?
metamorphic |
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marble |
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sedimentary |
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igneous |
The Earth's rocks fall into three categories based on how they're formed. Igneous rock (granite, basalt, obsidian) is formed from the hardening of molten rock (lava), sedimentary rock (shale, sandstone, coal) is formed by the gradual despositing and cementing of rock and other debris, and metamorphic rock (marble, slate, quartzite) which is formed when existing rock is altered though pressure, temperature, or chemical processes.