| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.05 |
| Score | 0% | 61% |
During digestion, after proteins are broken down where does the undigested food go next?
small intestine |
|
esophagus |
|
large intestine |
|
stomach |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
Which of the following describes the Earth's outer core?
makes up most of the Earth's volume |
|
primarily solid |
|
liquid |
|
solid |
The Earth's core is divided into the liquid outer core (1,430 miles or 2,300 km radius) and the solid inner core (745 miles or 1,200 km radius).
A transition zone between two air masses is called:
boundary |
|
thunderstorm |
|
fog |
|
front |
An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses.
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
cumulus clouds |
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cirrus clouds |
|
nimbus clouds |
|
stratus clouds |
Cumulus clouds are large, puffy, mid-altitude clouds with a flat base and a rounded top. These clouds grow upward and can develop into a cumulonimbus or thunderstorm cloud.
Which of the following is not a terrestrial planet?
Earth |
|
Jupiter |
|
Mercury |
|
Venus |
The four planets closest to the Sun (Mercury, Venus, Earth, and Mars) are called terrestrial (Earth-like) planets because, like the Earth, they're solid with inner metal cores covered by rocky surfaces.