Bell Ringer 8-9-10

1. Bell Ringer 8-9-10 • What is science? • Explain three main skills that scientists use. • Define the term scientific inquiry.

2. Bell Ringer 8-11-10 • What is elevation? • What are the three main types of landforms? • What are the characteristics of a mountain?

3. Bell Ringer 8-12-10 • What is a map? • How are maps and globes similar? How are they different? • What is a topographic map?

4. Bell Ringer 8-13-10 • List two things you should do ahead of time to prepare for a lab. • Why is it more difficult to prepare for a lab activity in the field than for one in a laboratory? • Outline in order the next steps you would take to deal with your injury.

5. Bell Ringer 8-16-10 • Why is curiosity important to a scientist? • What is a variable? • What is a scientific law?

6. Bell Ringer 8-17-10 • How do constructive forces shape Earth? • What is a simulation? • What do geologists do?

7. Bell Ringer 8-18-10 • What is a controlled experiment? • What is a mountain range? • What are five things you should do when you complete a lab experiment?

8. Bell Ringer 8-19-10 • What three major steps make up the water cycle? • What are Earth’s four main sources of water? • Which of the four main water sources contain salt water? Which contain fresh water?

9. Bell Ringer 8-20-10 • What bodies of water make up a river system? • How is a watershed related to a river system? • How are lakes different from ponds?

10. Bell Ringer 8-23-2010 • What are icebergs? • What is a divide? • What is a habitat?

11. Bell Ringer 8-24-10 • What is a salt marsh? • How could you determine the boundaries of a river system by studying a map of the United States? • What is the major difference between a reservoir and most other types of lakes?

12. Bell Ringer 8-25-10 • What is a wetland? • What are the three main types of freshwater wetlands? • How are the three major types of freshwater wetlands similar and different?

13. Bell Ringer 8-26-10 • Why might a water table rise and fall? • How do geysers form? • How can people obtain water from an aquifer?

14. Bell Ringer 8-27-10 • How do sprinkler irrigation and drip irrigation differ? • What are three ways to conserve water? • What are pollutants?

15. Bell Ringer 8-30-10 • Name five ways that people use water. • How is water used in agriculture? • What are three ways to conserve water?

16. Bell Ringer 8-31-10 • What might happen to the supply of water for agriculture in a region with a rapidly growing city? • Describe the techniques that industries can use to conserve water. • What is a point source of pollution? What is a nonpoint source?

17. Bell Ringer 9-1-10 • What is a wetland? • What are the three main types of freshwater wetlands? • How are the three major types of freshwater wetlands similar and different?

18. Bell Ringer 9-2-10 • Why is so little of Earth’s water available for human use? • Can a large river be a tributary? Explain • Describe four ways in which lakes can form naturally.

19. Bell Ringer 9-7-10 • Why have people in ancient and modern times explored the oceans? • Why did the ocean floor remain unexplored until recently? • What is sonar? How did it finally enable scientists to map the ocean floor?

20. Bell Ringer 9-8-10 • List four sections of the ocean floor? • Identify the three ocean zones? • What conditions exist in the depths of the ocean?

21. Bell Ringer 9-9-10 • Explain how both a wave’s energy and the water in a wave move. • Why does an ocean buoy bob up and down as a wave passes by? • What is the wavelength of a wave? What is wave height?

22. Bell Ringer 9-10-10 • Which have longer wavelengths – waves that are close together or waves that are far apart? • In what direction does a rip current pull a swimmer? • Name two natural landforms that help reduce beach erosion.

23. Bell Ringer 9-13-10 • How do wavelength and wave height change as a wave enters shallow water? • What is longshore drift, and how does it affect a shoreline? • Explain how building a groin affects longshore drift. What happens to the beach on each side of the groin?

24. Bell Ringer 9-15-10 • What is a tide? • What force causes tides to occur on Earth’s surface? • What two types of information help scientists predict the times of tides?

25. Bell Ringer 9-16-10 Explain why the moon causes a tidal bulge to form on the side of the Earth closest to it. Why do the heights of tides change during the course of a month? Describe the positions of the sun, moon, and Earth during a spring tide and during a neap tide.

26. Bell Ringer 9-17-10 How can tides be used to generate electricity? What two types of information help scientists predict the times of tides? Under what conditions is it practical to harness tidal power?

27. Bell Ringer 9-20-10 Why does salt water have greater buoyancy than fresh water? What are two sources of oxygen in ocean water? What is a submersible?

28. Bell Ringer 9-21-10 • What is salinity? • What is the average salinity of ocean water? • Describe one factor that increases the salinity of seawater and one factor that decreases its salinity.

29. Bell Ringer 9-22-10 • Where would you find the warmest ocean temperature on Earth? • How do carbon dioxide and oxygen levels in the oceans compare to those in the air? • How does the temperature of ocean water affect oxygen levels in the water?

30. Bell Ringer 9-23-10 How do temperature and pressure change as you descend in the ocean? Where in the water column would you expect to find the following conditions: the highest pressure readings; the densest waters; the warmest temperature. Why is it helpful to be able to predict when El nino will occur?

31. Bell Ringer 9-24-10 • What is upwelling? • What is a current? • What causes surface currents to occur? How does surface currents affect the climate of coastal areas?

32. Bell Ringer 9-28-10 • What type of climate might a coastal area have if nearby currents are cold? • Explain how deep currents form and move in the ocean. • Compare the causes and effects of deep currents and surface currents. • What causes upwelling? • Why are huge schools of fish usually found in zones of upwelling?

33. Bell Ringer 9-29-10 • Why do scientists use indirect methods to study the ocean floor? • What is a seamount? • What factors influence the size of a wave? • Why does the height of a wave change as it approaches shore?

34. Bell Ringer 9-30-10 • How does a rip current form? • Why are there two high tides a day in most places? • What is a spring tide? How does it differ from a neap tide?

35. Bell Ringer 10-1-10 • Name two properties of ocean water affected by salinity. How does salinity affect each? • What is the Corliolis effect? How does it influence ocean currents? • What is EL Nino? What are some of its effects? • Describe the cause and effects of upwelling.

36. Bell Ringer 10-4-10 Science Textbook Page 388 Applying Skills Questions 23 – 25 Write the Questions

37. Bell Ringer 10-5-10 • What is ozone? • What is water vapor? • Explain one way that air quality could be improved. • What is the atmosphere? • What are the four most common gases in dry air?

38. Bell Ringer 10-6-10 • What are the four most common gases in dry air? • Why are the amounts of gases in the atmosphere usually shown as percentages of dry air? • What are three ways in which the atmosphere is important to life on Earth? • How would the amount of carbon dioxide in the atmosphere change if there were no plants? • What human activity is responsible for the formation of smog and acid rain?

39. Bell Ringer 10-7-10 • How does the density of air affect air pressure? • What are two common units that are used to measure air pressure? • Why is it hard to breathe at the top of a mountain? • What is air pressure? • How does increasing the density of a gas affect its pressure?

40. Bell Ringer 10-12-10 • What are two instruments that can be used to measure air pressure? • What units are commonly used to measure air pressure? • How many millibars are equal to 27.23 inches of mercury? • What is altitude?

41. Bell Ringer 10-13-10 • As altitude increases, how does air pressure change? How does density change? • What changes in air pressure would you expect if you carried a barometer down a mine shift? • Why is the upper stratosphere warmer than the lower stratosphere? • What is the ionosphere?

42. Bell Ringer 10-14-10 • List the four main layers of the atmosphere, beginning with the layer closest to Earth’s surface? • What property is used to distinguish the layers of the atmosphere? • Give at least one important characteristic of each of the four main layers of Earth’s atmosphere.

43. Bell Ringer 10-15-10 • Which color of the visible light has the longest wavelengths? • What is the greenhouse effect? • List three forms of radiation from the sun. • Which form of radiation from the sun has the longest wavelength? The shortest wavelength?

44. Bell Ringer 10-18-10 What happen to most of the sunlight that reaches Earth? Why are sunsets red? What happens to the energy from the sun that is absorbed by Earth’s surface? Which temperature scale do scientists use?

45. Bell Ringer 10-19-10 • How is the air near Earth’s surface heated? • What is temperature? • What instrument is used to measure air temperature? • Name three ways that heat can be transferred.

46. Bell Ringer 10-20-10 • How do the three types of heat transfer work together to heat the troposphere? • What is the major way that heat is transferred in the troposphere? • Toward what direction does a west wind blow? • Which way do winds turn in the Southern Hemisphere?

47. Bell Ringer 10-21-10 • What is wind? • How is wind related to air temperature and air pressure? • What are local winds? • What causes local winds?

48. Bell Ringer 10-22-10 • What causes local winds? • Compare the conditions that cause a sea breeze with those that cause a land breeze. • Name the three major global wind belts. • Briefly describe the three major global wind belts and where they are located.

49. Bell Ringer 10-25-10 • Explain why it is difficult to include water vapor in a graph that shows the percentages of various gases in the atmosphere. • Name two ways in which carbon dioxide is added to the atmosphere. • Describe the temperature changes that occur as you move upward through the troposphere.

50. Bell Ringer 10-26-10 • Describe examples of radiation, conduction, and convection from your daily life. • Explain how movements of air at the equator and poles produce global wind patterns. • Why can an aneroid barometer be used to indicate changes in elevation as well as air pressure?