science review exam 3rd quarter

47問 • 2年前

問題一覧

1. During summer, many people visit Baguio to stay and experience its cold climate. Which statement BEST describes climate?

The pattern of weather that occurs in region over a long period of time.

2. Altitude affects climate. Why do mountain climbers bring thick jackets when they go up the mountain?

The temperature decreases as the altitude increases.

3. Ocean currents act conveyors that transport cold and warm air. How do oceans currents affect climate?

Ocean currents that bring along cold water in land make the climate cold, while ocean currents that take along warm water to coastal areas make the climate warm.

4. the climate of the place is influenced by the surrounding bodies of water. How does the distance from the sea affect the climate?

Oceans heat up and cool down much more slowly than land.

5. Why do places at the same latitude but different altitude of the different climate?

Ocean is warmer at lower latitude and colder at higher latitudes.

6. The topography of an area can influences the weather and climate. Which side of the mountain often receives the most precipitation?

windward side

7. Which human activity DOESN'T contribute to enhanced climate change?

joining in tree planting activities whenever possible.

8. What seasonal wind blows toward the land in summer, bringing heavy rains, and blows away from the land and winter bringing dry weather?

La Nina

9. The increase in the amount of carbon dioxide as an adverse effect on the environment. What is its adverse effect?

Rising sea level

10. Air pollution also caused greenhouse effect. Which contributes to mainly to air pollution?

Transport vehicles emissions

11. The following statements are the effects of too much carbon dioxide in the atmosphere EXCEPT:

Temperature decreases

12. Which among of the following is the number one reason for having a high concentration of carbon dioxide in the atmosphere?

burning of fossil fuels.

13. In what way does greenhouse effect differs from global warming?

The greenhouse effect is the heat that escapes in space whereas; global warming is the phenomenon in which the earth gets over heated by greenhouse gases.

14. Greenhouse gases contribute to the greenhouse effect. Which is NOT a greenhouse gas?

Nitrous oxide

15. More greenhouse gases mean an increase in global temperature. Which is a MANMADE greenhouse gas?

Chlorofluorocarbon

16. La Nina and El Nino are weather phenomena that results an interaction of the ocean and air. Which condition happens during the La Nina phenomena?

Trade wind becomes stronger.

17. El Nino and La Nina are climate patterns in the ocean that can affect global weather. Which will describe El Nino and La Nina?

unusual warming, unusual cooling

18. Climate change encompasses global warming and refers to broader range of changes that are happening to our planet including rising sea levels. Which is the BEST practice to reduce the effect of climate change?

organic farming

19. Polaris is known as the "North Star". If you are located at the north pole, where will you see the Polaris?

overhead

20. Which of the following pair is CORRECT? I. A. Cassiopeia II. B. Ursa Major III. C. Orion

I-A, II-B, III-C

21. The 26,000-year precision cycle causes the north celestial pole to move counterclockwise relative to the backdrop stars. Whichever star is closest to the north celestial pole is the Pole Star. What was the North Star before the Polaris?

Thuban

22. Which is the bright star in the constellation Alpha Caris Majoris?

Achemer

23. To find North Star during the night, it is helpful to find Polaris, the star which always points north. Which constellation should you find to locate Polaris?

Ursa Minor

24. Which shows how people apply knowledge about constellation? I. Sailors looked for Polaris to find their ways they sail across the seas. II. The appearance of constellations signified that a great war is about to happen. III. In the northern hemisphere, the appearance of Orion indicates the coming of the cold season. IV. Farmers interpreted the appearance of Gemini during the months of April and May signifying the end of a rich harvest.

I and III only

25. Which statement explains why constellations are visible at different times of the year?

at the equator, stars seem to rise in the east and seem to set in the west due to the Earth's rotation and revolution around the sun.

26. Why is Polaris considered a circumpolar constellation?

Because Polaris is only visible in the polar regions.

27. how do constellations affect human belief/practices?

explains that the earth revolves around the sun.

28. At which location can an observer not see Polaris at night sky at any time during the year?

B and C

29. Which is statement is TRUE about the difference between mountain and volcano?

Mountains were formed by the movement of tectonic plates while volcanoes were formed from the accretion of lava and repeated volcanic eruptions.

30. Jefrey went to Sorsogon City to visit his grandmother He noticed Mount Bulusan a cone shaped volcano that has several craters. What type of volcano is mount Bulusan?

Composite volcano

31. Which volcanic eruption is violent due to the contact between water and magma?

Plinian

32. Magma is extremely hot liquid located under the earth's surface. Which is NOT a contribution in the formation of magma?

Distance from the core

33. How will you describe a magma with high silica content?

High viscous

34. The temperature of magma affects greatly its viscosity. How will you describe the relationship between temperature and viscosity?

The higher the temperature of magma, the lower its viscosity.

35. Which characteristic of magma mainly affect the explosiveness of a volcanic eruption?

color

36. At depth in the Earth, nearly all magmas contain gas dissolved in liquid. When to the gases form into a separate vapor phase?

When pressure decreases as magma nses.

37. Study the diagram below. Which statements describes number 3?

the fluid flows up into the mantle rock above and changes its chemistry, causing it to melt and formation of magma.

38. Which statement is NOT TRUE about the Geothermal Energy source of electricity in the Philippines?

Production of electricity from geothermal energy is more expensive than electricity produced using natural gas, coal and hydropower.

39. What are the two volcanoes that run the Mak-ban Geothermal Powerplant?

Mt. Bulalo and Mt. Olilia

40. Geothermal energy generated form power plants such as Tiwi in Albay, Mak-Ban in Laguna, and Togonan in Leyte is source of renewable energy. How does energy transformation occur in a geothermal power plant>

Thermal energy from the inside the earth - mechanical energy in turbine-mechanical energy of a generator - electrical energy.

41. The Philippines ranks second to the United States in production geothermal energy. Which best describes geothermal energy?

It is the energy from the heat coming from the earth's interior.

42. Philippines is rich in natural resources and renewable energy resources, but the shortage of energy suppl are still experienced. As a student, what can you do to conserve energy?

Turn off appliances when not in use

43. How do geothermal power stations work?

The hot water from inside the earth meets cold air and produces condensation which powers the turbines and tums it into electricity.

44. In the recent past, humans have been looking for and trying out alternative sources of renewable energy to reduce dependence on fossil fuels. How can the energy from volcanoes be tapped for human use?

Geothermal energy can be used to generate electricity

45. Which method of converting energy is used by the Geothermal plant?

Heat inside the earth is used to produce steam to generate electricity.

46. The heat from the interior of the earth can be hamessed as a source of a usable form of energy through a series of processes using different devices. Which device converts mechanical energy into electrical energy?

Generator

47. Which of these are considered as disadvantages of using geothermal energy? I. Low carbon footprints energy source II. Reservoirs are not permanent. III. Harmful gases may be released into the atmosphere. IV. High cost of constructing the system.

I, III and IV

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問題一覧

1. During summer, many people visit Baguio to stay and experience its cold climate. Which statement BEST describes climate?

The pattern of weather that occurs in region over a long period of time.

2. Altitude affects climate. Why do mountain climbers bring thick jackets when they go up the mountain?

The temperature decreases as the altitude increases.

3. Ocean currents act conveyors that transport cold and warm air. How do oceans currents affect climate?

Ocean currents that bring along cold water in land make the climate cold, while ocean currents that take along warm water to coastal areas make the climate warm.

4. the climate of the place is influenced by the surrounding bodies of water. How does the distance from the sea affect the climate?

Oceans heat up and cool down much more slowly than land.

5. Why do places at the same latitude but different altitude of the different climate?

Ocean is warmer at lower latitude and colder at higher latitudes.

6. The topography of an area can influences the weather and climate. Which side of the mountain often receives the most precipitation?

windward side

7. Which human activity DOESN'T contribute to enhanced climate change?

joining in tree planting activities whenever possible.

8. What seasonal wind blows toward the land in summer, bringing heavy rains, and blows away from the land and winter bringing dry weather?

La Nina

9. The increase in the amount of carbon dioxide as an adverse effect on the environment. What is its adverse effect?

Rising sea level

10. Air pollution also caused greenhouse effect. Which contributes to mainly to air pollution?

Transport vehicles emissions

11. The following statements are the effects of too much carbon dioxide in the atmosphere EXCEPT:

Temperature decreases

12. Which among of the following is the number one reason for having a high concentration of carbon dioxide in the atmosphere?

burning of fossil fuels.

13. In what way does greenhouse effect differs from global warming?

The greenhouse effect is the heat that escapes in space whereas; global warming is the phenomenon in which the earth gets over heated by greenhouse gases.

14. Greenhouse gases contribute to the greenhouse effect. Which is NOT a greenhouse gas?

Nitrous oxide

15. More greenhouse gases mean an increase in global temperature. Which is a MANMADE greenhouse gas?

Chlorofluorocarbon

16. La Nina and El Nino are weather phenomena that results an interaction of the ocean and air. Which condition happens during the La Nina phenomena?

Trade wind becomes stronger.

17. El Nino and La Nina are climate patterns in the ocean that can affect global weather. Which will describe El Nino and La Nina?

unusual warming, unusual cooling

organic farming

19. Polaris is known as the "North Star". If you are located at the north pole, where will you see the Polaris?

overhead

20. Which of the following pair is CORRECT? I. A. Cassiopeia II. B. Ursa Major III. C. Orion

I-A, II-B, III-C

Thuban

22. Which is the bright star in the constellation Alpha Caris Majoris?

Achemer

23. To find North Star during the night, it is helpful to find Polaris, the star which always points north. Which constellation should you find to locate Polaris?

Ursa Minor

I and III only

25. Which statement explains why constellations are visible at different times of the year?

at the equator, stars seem to rise in the east and seem to set in the west due to the Earth's rotation and revolution around the sun.

26. Why is Polaris considered a circumpolar constellation?

Because Polaris is only visible in the polar regions.

27. how do constellations affect human belief/practices?

explains that the earth revolves around the sun.

28. At which location can an observer not see Polaris at night sky at any time during the year?

B and C

29. Which is statement is TRUE about the difference between mountain and volcano?

Mountains were formed by the movement of tectonic plates while volcanoes were formed from the accretion of lava and repeated volcanic eruptions.

30. Jefrey went to Sorsogon City to visit his grandmother He noticed Mount Bulusan a cone shaped volcano that has several craters. What type of volcano is mount Bulusan?

Composite volcano

31. Which volcanic eruption is violent due to the contact between water and magma?

Plinian

32. Magma is extremely hot liquid located under the earth's surface. Which is NOT a contribution in the formation of magma?

Distance from the core

33. How will you describe a magma with high silica content?

High viscous

34. The temperature of magma affects greatly its viscosity. How will you describe the relationship between temperature and viscosity?

The higher the temperature of magma, the lower its viscosity.

35. Which characteristic of magma mainly affect the explosiveness of a volcanic eruption?

color

36. At depth in the Earth, nearly all magmas contain gas dissolved in liquid. When to the gases form into a separate vapor phase?

When pressure decreases as magma nses.

37. Study the diagram below. Which statements describes number 3?

the fluid flows up into the mantle rock above and changes its chemistry, causing it to melt and formation of magma.

38. Which statement is NOT TRUE about the Geothermal Energy source of electricity in the Philippines?

Production of electricity from geothermal energy is more expensive than electricity produced using natural gas, coal and hydropower.

39. What are the two volcanoes that run the Mak-ban Geothermal Powerplant?

Mt. Bulalo and Mt. Olilia

Thermal energy from the inside the earth - mechanical energy in turbine-mechanical energy of a generator - electrical energy.

41. The Philippines ranks second to the United States in production geothermal energy. Which best describes geothermal energy?

It is the energy from the heat coming from the earth's interior.

42. Philippines is rich in natural resources and renewable energy resources, but the shortage of energy suppl are still experienced. As a student, what can you do to conserve energy?

Turn off appliances when not in use

43. How do geothermal power stations work?

The hot water from inside the earth meets cold air and produces condensation which powers the turbines and tums it into electricity.

Geothermal energy can be used to generate electricity

45. Which method of converting energy is used by the Geothermal plant?

Heat inside the earth is used to produce steam to generate electricity.

Generator

I, III and IV