| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.47 |
| Score | 0% | 69% |
Convert 5C° to F°.
-23 |
|
27 |
|
41 |
|
37 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(5) + 32\)
\(F° = {45 \over 5} + 32\)
\(F° = 9 + 32 = 41\)
The four planets closest to the Sun are called terrestrial. What does terrestrial mean?
the planets have magnetic fields |
|
the planets are Earth-like |
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the planets have moons |
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the planets have water |
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.
Food is mixed with gastric acid and pepsin in the __________ to help break down protein.
large intestine |
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stomach |
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mouth |
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small intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
Which of the following is the smallest component of an element that still retains the properties of the element?
molecule |
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atom |
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neutron |
|
element |
An atom is the smallest component of an element that still retains the properties of the element.
Which of the following is not a method of heat transfer?
reflection |
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convection |
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radiation |
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conduction |
Heat is always transferred from warmer to cooler environments through conduction, convection, or radiation.