Science Semestral Exam 6th 20-21
  • 1. How might Mars be different if it´s surface did not contain so much iron?
A) It´s orbit would be different
B) It would be a different color
C) It would be much lighter
D) It would be a gas planet
  • 2. In terms of orbit, the Earth is to the sun as what is to the Earth?
A) Venus
B) A comet
C) The moon
D) Mars
  • 3. What does Jupiter have in common with Neptune?
A) They are both red in color
B) The are both terrestrial planets
C) They both have exctly 3 moons
D) They both have large storm "spots"
  • 4. How is Venus different from Jupiter?
A) Jupiter is a gas giant, Venus is a terrestrial planet
B) Jupiter is a planet, Venus is a large asteroid
C) Jupiter has no moons, Venus has 2 moons
D) Jupiter is a terrestrial planet, Venus is a gas giant
  • 5. Where can you find the asteroid belt?
A) etween Saturn and Uranus
B) Between Venus and Earth
C) Between Earth and Mars
D) Between Mars and Jupiter
  • 6. Whish of the following is a terrestrial planet?
A) Saturn
B) Jupiter
C) Mercury
D) Neptune
  • 7. Which term best describes how the solar system formed?
A) Rapidly
B) Chemically
C) Electrically
D) Gradually
  • 8. What force pulled the solar system together out of a cloud of gas and dust?
A) Gravity
B) Electrical force
C) Magnetic force
D) The strong force
  • 9. Which figure is closest to the age of the solar system?
A) 450 million years
B) 4.5 billion years
C) 450,000 years
D) 4.5 million years
  • 10. If the earth´s mantle were completely solid,_________plates could not move around.
A) Agnostic
B) Technical
C) Tectonic
D) Titanic
  • 11. Whish of the following statements is an opinion about mantle?
A) It is the most important layer of the Earth
B) It contains iron, silicon, magnesium, and oxygen.
C) Heat Churns through it
D) It makes up hte bulk of the Earth´s mass
  • 12. What is the only entirely liquid layer of the Earth?
A) The lower mantle
B) The Outer core
C) The inner core
D) The upper mantle
  • 13. Which of the following statements about the Earth´s inner core is true?
A) It is mostly made of nickel
B) It is mostley made of iron
C) It is mostly made of cryptonite
D) It is mostly made of cadmuim
  • 14. What effect does the spinning of the Earth´s core have?
A) It creates mass
B) It creates gravity
C) It creates the Earth´s magnetic field
D) It creates matter
  • 15. How deep would you have to drill to reach the center of the Earth?
A) About 600 kilometers
B) about 6 kilometers
C) About 60,000 kilometers
D) About 6,000 kilometers
  • 16. Which word best characterizes the lower mantle?
A) Molten
B) Scalding
C) Lukewarm
D) Cool
  • 17. What do earthquake waves have in common with other waves?
A) They have the same wavelength as radio waves
B) They carry the same amount of energy as sound waves
C) They bend when they travel through different materials
D) They travel at the same speed as light waves
  • 18. What are Earth´s three main layers?
A) Mandalorian, Avengers, and Thor
B) Inner core, outer core, and mantle
C) Upper mantle, lower mantle, and crust
D) Core, mantle, and crust
  • 19. Which city is most likely to experience a strong earthquake?
A) Laredo
B) Can Cun
C) Monterrey
D) Mexico City
  • 20. In the phrase, "The Richter sclae measures the potency and duration of seismic events," what does "potency" mean?
A) Type
B) Time
C) Strength
D) Speed
  • 21. Why are faults sometimes referred to as "active boundaries"? Choose the best answer...
A) Because people must actively avoid faults to escape injury
B) Because they serve as boundaries between nations
C) Beacuse they are all volcanically active
D) Beacuase Earth´s crust shifts on either side of them
  • 22. What is the name of the instrument that measures seismic activity?
A) Electrograph
B) Richter scale
C) Seismograph
D) Barometer
  • 23. What is the main cause of most earthquakes?
A) Climate change
B) Pressure from within Earth´s crust
C) Hurricanes
D) Tsunamis
  • 24. Which of the following is a true statement about tectonic plates?
A) They are located beneath the Earth´s surface
B) They are located in Asgard
C) All of Earth´s landmass rests on tectonics plates
D) They are located 10 meters below the surface
  • 25. What can you infer from the fact that tectonic plates are always moving around?
A) Tectonic activity probably caused the last Ice Age
B) New volcanoes from every few years
C) The shape and location of the continents have changed over time
D) Earthquakes will continue long after hurricanes and tsunamis have stopped
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