Science Semestral Exam 6th 20-21
  • 1. How might Mars be different if it´s surface did not contain so much iron?
A) It would be a different color
B) It would be a gas planet
C) It would be much lighter
D) It´s orbit would be different
  • 2. In terms of orbit, the Earth is to the sun as what is to the Earth?
A) The moon
B) Mars
C) Venus
D) A comet
  • 3. What does Jupiter have in common with Neptune?
A) They both have exctly 3 moons
B) They both have large storm "spots"
C) They are both red in color
D) The are both terrestrial planets
  • 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) Between Mars and Jupiter
B) Between Earth and Mars
C) etween Saturn and Uranus
D) Between Venus and Earth
  • 6. Whish of the following is a terrestrial planet?
A) Saturn
B) Mercury
C) Jupiter
D) Neptune
  • 7. Which term best describes how the solar system formed?
A) Electrically
B) Gradually
C) Chemically
D) Rapidly
  • 8. What force pulled the solar system together out of a cloud of gas and dust?
A) Electrical force
B) Gravity
C) The strong force
D) Magnetic force
  • 9. Which figure is closest to the age of the solar system?
A) 4.5 billion years
B) 450 million 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) Titanic
B) Tectonic
C) Agnostic
D) Technical
  • 11. Whish of the following statements is an opinion about mantle?
A) It contains iron, silicon, magnesium, and oxygen.
B) It is the most important layer of the Earth
C) It makes up hte bulk of the Earth´s mass
D) Heat Churns through it
  • 12. What is the only entirely liquid layer of the Earth?
A) The Outer core
B) The upper mantle
C) The lower mantle
D) The inner core
  • 13. Which of the following statements about the Earth´s inner core is true?
A) It is mostly made of cryptonite
B) It is mostly made of nickel
C) It is mostly made of cadmuim
D) It is mostley made of iron
  • 14. What effect does the spinning of the Earth´s core have?
A) It creates gravity
B) It creates matter
C) It creates the Earth´s magnetic field
D) It creates mass
  • 15. How deep would you have to drill to reach the center of the Earth?
A) About 6,000 kilometers
B) About 600 kilometers
C) about 6 kilometers
D) About 60,000 kilometers
  • 16. Which word best characterizes the lower mantle?
A) Lukewarm
B) Cool
C) Molten
D) Scalding
  • 17. What do earthquake waves have in common with other waves?
A) They bend when they travel through different materials
B) They have the same wavelength as radio waves
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) Core, mantle, and crust
D) Upper mantle, lower mantle, and crust
  • 19. Which city is most likely to experience a strong earthquake?
A) Mexico City
B) Laredo
C) Can Cun
D) Monterrey
  • 20. In the phrase, "The Richter sclae measures the potency and duration of seismic events," what does "potency" mean?
A) Strength
B) Type
C) Speed
D) Time
  • 21. Why are faults sometimes referred to as "active boundaries"? Choose the best answer...
A) Because they serve as boundaries between nations
B) Beacuase Earth´s crust shifts on either side of them
C) Because people must actively avoid faults to escape injury
D) Beacuse they are all volcanically active
  • 22. What is the name of the instrument that measures seismic activity?
A) Richter scale
B) Electrograph
C) Barometer
D) Seismograph
  • 23. What is the main cause of most earthquakes?
A) Tsunamis
B) Hurricanes
C) Climate change
D) Pressure from within Earth´s crust
  • 24. Which of the following is a true statement about tectonic plates?
A) They are located 10 meters below the surface
B) They are located in Asgard
C) All of Earth´s landmass rests on tectonics plates
D) They are located beneath the Earth´s surface
  • 25. What can you infer from the fact that tectonic plates are always moving around?
A) The shape and location of the continents have changed over time
B) New volcanoes from every few years
C) Tectonic activity probably caused the last Ice Age
D) Earthquakes will continue long after hurricanes and tsunamis have stopped
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