| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.69 |
| Score | 0% | 74% |
The ozone layer is in which of Earth's atmospheric layers?
troposphere |
|
thermosphere |
|
mesosphere |
|
stratosphere |
The stratosphere is just above the troposphere and is stratified in temperature with warmer layers higher and cooler layers closer to Earth. This increase in temperature is a result of absorption of the Sun's radiation by the ozone layer.
A subatomic particle found in the nucleus of an atom. It carries a positive electric charge. This desribes which of the following?
electron |
|
atom |
|
neutron |
|
proton |
A proton is a subatomic particle found in the nucleus of an atom. It carries a positive electric charge.
An element in the physical state of __________ maintains a constant volume but their shape depends upon the shape of their container.
solid |
|
gas |
|
liquid |
|
plasma |
In the liquid state, molecules flow freely around each other and exist at a higher temperature range than the same substance in a solid state. Liquids maintain a constant volume but their shape depends upon the shape of their container.
An endoskeleton (internal skeleton) is a charateristic of __________ animals, including humans.
arthropod |
|
sentient |
|
spiny |
|
vertebrate |
An endoskeleton (internal skeleton) is a charateristic of vertebrate animals, including humans.
Convert 5C° to F°.
41 |
|
-23 |
|
27 |
|
37 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(5) + 32\)
\(F° = {45 \over 5} + 32\)
\(F° = 9 + 32 = 41\)