| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.84 |
| Score | 0% | 57% |
Which of the following does not represent the freezing point of water?
0°F |
|
273K |
|
0°C |
|
32°F |
The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.
When the clouds become too saturated with water, the water is released as precipitation in the form of:
rain |
|
ice |
|
snow |
|
snow or ice |
Rising into the atmosphere, the water condenses into clouds. When the clouds become too saturated with water, the water is released as snow or ice precipitation which may warm as it falls to reach Earth as rain.
The ozone layer is in which of Earth's atmospheric layers?
mesosphere |
|
troposphere |
|
thermosphere |
|
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.
Changes to an object's speed or direction of motion are caused by which of the following?
power |
|
kinetic energy |
|
work |
|
a force |
Force is applied to change an object's speed or direction of motion.
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
cumulus clouds |
|
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.