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