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ES Final Exam
GJHS Earth Science Final part 2
| Question | Answer |
|---|---|
| The greenhouse effect is getting worse because we are burning more __________ __________, which are nonrenewable fuel that gives off carbon dioxide. | fossil fuels |
| We get most of our energy for transportation from ____________ which is a nonrenewable resource. | petroleum |
| One molecule of water has ________ atom(s). | one |
| Water is least dense when it is a _____________. | gas |
| What property of water allows a paperclip to float even though it is more dense than water? | surface tension |
| __________ ___________ helps water travel up the roots of trees. | capillary action |
| The density of water vapor would be ________ _________ ________. (Think density) | less than 1g/mL |
| What water property helps even out Earth temperatures? | heat capacity |
| ____________ is the average ___________ condition over a long period of time. | Climate, weather |
| The average temperature on the Earth has been increasing. (T or F) | True |
| The Colorado River shed includes rivers, tributaries, and land that drains water into the Colorado River. (T or F) | True |
| The Colorado Rivershed is the big building near Lake Mead that stored our drinking water. (T or F) | False |
| Several states in the western US receive their water from the _______________ River. | Colorado |
| If 5 gallons of water represented all of the water on Earth, how much is usable for land plants and animals? (including humans!) | 5 drops |
| Why is the ocean salty? | River water picks up minerals from the land, including salt, and deposits it into the ocean. |
| Which two gases make up about 99% of our atmosphere? | oxygen and nitrogen |
| What gas is most plentiful in our atmosphere? | nitrogen |
| Air pressure in the atmosphere ____________ as you go up in altitude. | decreases |
| Temperature in the troposphere ____________ as you go up in altitude. | decreases |
| Nevada is a desert because we are in a __________ ____________. | rain shadow |
| Temperatures ________________ because of the greenhouse effect. | increase |
| The moon has weather similar to Earth's weather. (T or F) | False |
| Which of the following is NOT a major cause of Earth's weather: sun, moon, water, atmosphere | moon |
| What seperates Earth into climate zones? tilt, latitude, rotation, weather | latitude |
| Are clouds most likely to form from rising warm moist air or rising dry cold air? | warm moist air |
| What happens to water vapor when when humidity reaches 100%? It _______________. | condenses |
| Because of the heat capacity of water, cities near the ocean have a ____________ range of temperatue. (smaller or larger) | smaller |
| Which of the following has the greatest heat capacity: water, sand, air, or rocks? | water |
| Clouds form when air pressure is ________. (high or low) | low |
| Difference in air temperature causes _________. | wind |
| What is the energy source that powers the water cycle? | sun |
| When water changes from a liquid to a gas it is called _______________. | evaporation |
| What process powers the sun? _________ ___________ | nuclear fusion |
| Which solar layer behaves like the mantle? core, photosphere, convection zone, or corona | convection zone |
| The sun's ___________ causes day and night. | rotation |
| _______________ and ___________ cause the Earth's seasons. | revolution and tilt |
| During winter, is the length of daylight longer or shorter? | shorter |
| The distance between Earth and the sun is ____________________ miles, which is ____ _________________ _______________. | 93,000,000 miles, 1 Astronomical Unit |
| According to the Nebular Theory, the Earth is about the same age as the sun. (T or F) | True |
| Asteroids and meteoroids revolve around the ______. | sun |
| One theory that explains how dinosaurs became extinct is a large ______________ hit our planet. | asteroid |
| Our solar system was created when a __________ collapsed. | nebula |
| Gravity depends on ___________ and __________. | mass distance |
| Moons revolve around _______________. | planets |
| Mercury, Venus, Earth, Mars, and Jupiter are all inner planets. | False |
| Planets are either terrestrial or gaseous depending on their _____________. | composition |
| The stars in the sky are actually suns that are very far away. (T or F) | True |
| How many stars are in the Milky Way Galaxy? | billions |
| How fast does light travel? | 186,00 miles/second, or 300,000 kilometers/second |
| Which type of energy wave does not travel from the sun? | sound |