| A | B |
|---|
| What causes a comet's tail to point away from the sun? | Solar Wind |
| What occurs when the earth passes through the remains of a comet? | Meteor Shower |
| Why can cloudy nights be warmer than clear nights? | The clouds trap the heat from the day. |
| How is a cloud formed? | Cooling air (moist) condenses on condensation nuclei. |
| What is needed in order for clouds to form? | moist air, temperature at dew point, condensation nuclei |
| How is dew point related to cloud formation? | It is the temperature at which condensation occurs. |
| What are some specific ways that global warming affects the planet? | melted ice, destroyed habitat, animal extinction |
| What two gasses are responsible for global warming according to scientists? | carbon dioxide and methane |
| How are methane and carbon dioxide produced? | industry, car exhaust, cows |
| What are asteroids? | leftovers from planetary formation |
| Where are most asteroids found in our solar system? | between Mars and Jupiter |
| __________ planets are more dense. | Inner |
| Inner planets are __________. | smaller in size |
| Inner planests are faster in ____________. | rotation |
| ___________ planets are larger in size. | outer |
| Outer planets have the _____________ revolution. | longest |
| A cold front is associated with what kind of weather? | cold, fast moving, thunderstorms |
| Winds move from ____________ pressure | high to low |
| What is a nebula made of? | gas and dust |
| What is the equation for density? | d = m/v |
| What effects does the moon have on the earth? | tides- spring and neap |
| What do you need to know about an object to measure its density? | mass and volume |
| ____________ and _________ are used to measure density. | balance, graduated cylinder |
| What is the symbol for low pressure? | L |
| What is the symbol for high pressure? | H |
| What type of weather is associated with low pressure? | moist, wet, windy |
| What weather is associated with high pressure? | dry, nice |
