| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.80 |
| Score | 0% | 56% |
Which of the following is not a method of heat transfer?
convection |
|
conduction |
|
reflection |
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radiation |
Heat is always transferred from warmer to cooler environments through conduction, convection, or radiation.
In the metric system, what prefix represents 10-3?
milli |
|
centi |
|
kilo |
|
mega |
In the metric system, milli is the prefix for 10-3.
During the water cycle, water enters the atmosphere as a gas through which process?
evaporation |
|
precipitation |
|
transpiration |
|
both evaporation and transpiration |
The water (hydrologic) cycle describes the movement of water from Earth through the atmosphere and back to Earth. The cycle starts when water evaporates into a gas from bodies of water like rivers, lakes and oceans or transpirates from the leaves of plants.
Which of the following describes the Earth's outer core?
solid |
|
primarily solid |
|
liquid |
|
makes up most of the Earth's volume |
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 person's genotype is their genetic makeup and includes:
dominant alleles |
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both dominant and recessive alleles |
|
recessive alleles |
|
phenotypes |
A person's genotype is their genetic makeup and includes both dominant and recessive alleles. Phenotype is how the genes express themselves in physical characteristics.