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Weather test
Weather test - 7th Grade Advanced Science
| Question | Answer |
|---|---|
| Which state of matter are the molecules spaced the farthest apart? | Gas Solid All are equal. Liquid |
| The ___________________ is the layer of the atmosphere nearest to Earth's surface. | mesosphere troposphere stratosphere ionosphere |
| ________________________ is the transfer of energy by electromagnetic waves. | conduction convection radiation condensation |
| Electrically charged particles are found primarily in the ________________. | troposphere exosphere ionosphere stratosphere |
| The ____________________ merges into outer space. | troposphere stratosphere mesosphere exosphere |
| Too much exposure to ______________________ can cause skin cancer. | water vapor air pressure ultraviolet radiation ozone |
| Air in the ___________________ is warmed by heat from Earth's surface. | troposphere exosphere stratosphere thermosphere |
| _____________________ is the transfer of heat by the flow of a heated material. | radiation conduction convection absorption |
| Air above the _____________________ is heated more than at any other place on Earth. | north pole south pole equator United States |
| Chlorofluorocarbons may be destroying the ozone layer by _________________. | adding more ozone molecules blocking ultraviolet radiation destroying ozone molecules increasing nitrogen levels |
| Reflection and absorption by the atmosphere prevent some _________________ from reaching Earth's surface. | ozone radiation nitrogen oxygen |
| Temperatures in the thermosphere are _______________. | hot and cold constantly changing very cold very warm |
| ___________________ is the only substance that exists as a solid, liquid, and gas in Earth's atmosphere. | Nitrogen Ozone Water Radiation |
| The composition of the air we breathe is 78% nitrogen, 21% oxygen, and 1% other gases. Which of these graphs best illustrates this information? | c |
| What is the brown haze that forms over some cities called? | CFC's carbon monoxide acid rain smog |
| Which kind of atom in a chlorofluorocarbon molecule destroys ozone molecules? | hydrogen oxygen carbon chlorine |
| What is the pH of acid rain? | greater than 7.6 5.6 lower than 5.6 5.6 to 7.6 |
| About 60% of carbon monoxide comes from which source? | power plants cleaning products car exhaust industry |
| Which emission control device was added to automobiles in the mid-1970's? | catalytic converter smokestack scrubber alcohol electrostatic separator |
| How do chlorofluorocarbons affect Earth's ozone layer? | |
| You can't see, touch or smell the ozone layer. Explain why it is important to you. | |
| Describe the two ways of controlling emissions. |
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