Earth Science
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Introduction to Earth Science
- The Nature of Earth Science
- Earth Science and Its Branches
- Earth's Surface
- Location, Longitude, and Latitude
- Modeling Earth's Surface
- Topographic Maps
- Using Satellites and Computers to Study Earth
- Matter
- Minerals and Mineral Groups
- Mineral Identification
- Mineral Formation
- Mining and Mineral Use
- Types of Rocks
- Igneous Rocks
- Sedimentary Rocks
- Metamorphic Rocks
- Energy Resources
- Non-renewable Energy Resources
- Renewable Energy Resources
- Plate Tectonics and Inside Earth
- Continental Drift
- Seafloor Spreading
- Theory of Plate Tectonics
- Stress in Earth's Crust
- The Nature of Earthquakes
- Measuring and Precting Earthquakes
- Staying Safe in Earthquakes
- Where Volcanoes are Located
- Volcanic Eruptions
- Types of Volcanoes
- Volcanic Landforms and Geothermic Activity
- Weathering
- Soils
- Water Erosion and Deposition
- Wave Erosion and Deposition
- Wind Erosion and Deposition
- Glacial Erosion and Deposition
- Erosion and Deposition by Gravity
- Fossils
- Relative Ages of Rocks
- Absolute Ages of Rocks
- Early Earth
- The Precambrian
- Phanerozoic Earth History
- History of Earth's Complex Life Forms
- Water on Earth
- Surface Water
- Groundwater
- Introduction to the Oceans
- Ocean Movements
- The Seafloor
- Ocean Life
- The Atmosphere
- Atmospheric Layers
- Energy in the Atmosphere
- Air Movement
- Weather and Atmospheric Water
- Changing Weather
- Storms
- Weather Forecasting
- Climate and Its Clauses
- World Climates
- Climate Change
- Ecosystems
- The Carbon Cycle and the Nitrogen Cycle
- Human Populations
- Loss of Soils
- Pollution of the Land
- Use and Conservation of Resources
- Energy Conservation
- Humans and Water Supply
- Problems with Water Distribution
- Water Pollution
- Protecting the Water Supply
- Air Pollution
- Effects of Air Pollution
- Reducing Air Pollution
- Telescopes
- Early Space Exploration
- Recent Space Exploration
- Planet Earth
- Earth's Moon
- The Sun
- The Sun and Earth-Moon System
- Introduction to the Solar System
- Inner Planets
- Outer Planets
- Other Objects in the Solar System
- Stars
- Galaxies
- The Universe
- Why is the air near the equator hotter than any other place on Earth?
- What type of scientist studies weather?
- What type of air rises?
- What type of air mass is frigid cold and travels southward from Canada?
- What other severe weather can be produced by a thunderstorm?
- What kind of weather is associated with low pressure?
- How are dew point and saturated air relate?
- What is the boundary between two air masses cal|ed?
- What is a radiosonde?
- What are all the different names used for an intense tropical storm?
- What causes sea and land breezes?
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- What are four things that have added manmade greenhouse gases to the atmosphere?
- Where does the Earth's wind power come from ?
- What are two ways in which the Sun's energy can be captured and used? How can both be used in a home?
- How do rocks along the central valley of the mid-ocean ridge provide evidence of sea-floor spreading?
- Two barometers are placed one kilometer apart. One shows higher pressure than the other. What will happen to air between them?
- Would you expect the air pressure in a valley that's below sea level to be higher or lower than air pressure at sea level?
- What is the second most abundant gas in the Earth's atmosphere?
- What is the main purpose of terracing?
- How could farmers improve land that has been polluted by acid rain?
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- What happens to rocks after their elastic limit is passed?
- Lava comes out of a hole in the ground. What is the hole called?
- What does planting the same crops on the same soil for many years cause?
- Would an earthquake support the principle of uniformitarianism or the principle of catastrophism?
- Why did geologists develop the geologic time scale?
- Describe the percent composition of all gases in the atmosphere. Which is the greatest?
- Which layer of the atmosphere do thunderstorms occur in?
- Why are ocean currents important to coasta| regions?
- How can a change in the temperature of an ocean current affect the climate of a nearby coastal area?
- What minerals, other than diamond, would be best for making sandpaper?
- What essential gas of today's modern atmosphere was absent from earth's early atmosphere?
- How do air masses that form over the land and ocean affect weather in the United States?
- Why are CFC's still harming the ozone layer if they are no longer used?
- Why is the ozone layer important?
- How do scientists use X-rays to study the structure of crystals?
- What hinders the growth of single, large crystals?
- Why do the Andes have a cold climate even though they are located close to the equator?
- What is the geologic time scale?
- What is the longest subdivision in geologic time?
- How did the Himalayan Mountains form?
- Why might an an earthquake have more than one intensity value? Where would the higher value be found and why?
- What factors can determine the amount of destruction that results from an earthquake?
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- If a substance is a mineral, how could you identify what type of mineral it is?
- Why do we have time zones?
- About how much more energy does magnitude 6 quake release compared to a magnitude 4 quake?
- What does the term "karst" mean?
- What type of earthquake wave can travel through both liquids and solids?
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- What happens to the temperature and pressure as you move downward into the Earth?
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- How does a hurricane form?
- How are typhoons formed?
- Where do tornadoes most commonly form?
- Which parts of the water cycle require energy from the sun?
- What is the Keeling Curve?
- What provides the mechanism by which mantle rocks melt and magma is produced?
- What is the weaker, hotter zone beneath the lithosphere that allows for motion of Earth's rigid outer shell?
- What causes the temperature to decrease with height in the troposphere?
- As the altitude in the atmosphere increases, what happens to the air pressure?
- At what point in the atmosphere does the temperature reach its coldest point?
- What force holds the atmosphere in place as Earth travels through space?
- What is likely to occur at a plate boundary where oceanic crust collides with continental crust?
- The continental crust is made largely of what rock?
- When it is summer in the southern hemisphere, what season is it in the northern hemisphere?
- What is the central part of Earth below the mantle called?
- What types of energy makes it to earth from the sun?
- What is the Iinear speed of a point on Earth's equator? What if the point was at latitude -15.0° ?
- How dense is snow when it is falling?
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- What are the effects of heat and pressure in the formation of igneous rocks?
- Water storage tanks are usually built on towers or placed on hilltops. Why?
- Besides elevation, what else can affect the speed of water flow in a watershed?
- What human activities cause weathering?
- Which igneous rock is fine-grained and have a lot of pyroxene?
- Imagine that you found a Tropites fossil. How old is the rock surrounding it?
- How is an index fossil useful to geologists in establishing the age of the rock layer in which they find it?
- How is a fossil mold different from a fossil cast?
- What is a break in the Earth's crust called?
- What rocks form at a High Intensity of Metamorphism?
- A large piece of the mineral halite is broken repeatedly into several perfect cubes. How can this be explained?
- How is energy from the sun distributed around Earth?
- How does solar energy cause wind?
- Why should the U.S. develop alternative energy sources?
- What is the correct order of process that occur for water to move from a lake to a cloud and then turn into rain?
- What causes the characteristic crystal shape and cleavage (breaking along flat surfaces) of the mineral halite?
- On a summer day it is cloudy over New York City. A town with similar weather conditions 30 miles away is clear. What about cloud formation might explain the difference?
- Why does dew often form at night?
- What can form if rain falls through a layer of freezing air near the ground?
- What must be present in order for clouds to form?
- What are practical uses of the cooling effect of evaporation?
- How is Earth's mass related to its ability to have an atmosphere?
- What habits can you change to help conserve water?
- What is noise pollution and how does it affect us?
- What is noise pollution and how does it affect us?
- In regards to pollution, what are particulates?