Science 7 - 2nd Quarter Test

24 Questions | Total Attempts: 87

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2nd Grade Science Quizzes & Trivia

2nd Quarter Test for Science 7. Chapter 3 - Rocketry & Space Travel


Questions and Answers
  • 1. 
    Newton's Third Law states, "For every action, there is a/an ___________ and _____________ reaction."
    • A. 

      Unequal / indistinct

    • B. 

      Equal / distinct

    • C. 

      Unequal / opposite

    • D. 

      Equal / opposite

  • 2. 
    True or False.  The aperture is the opening of the telescope which lets in light.
    • A. 

      True

    • B. 

      False

  • 3. 
    Newton's First Law: an object at rest tends to ______________________________.
    • A. 

      React more rapidly to gravitational pull than an object in motion

    • B. 

      Have an opposite and equal reaction

    • C. 

      Drift slowly at first, then more quickly when an outside force is applied

    • D. 

      Stay at rest until acted upon by an outside force

  • 4. 
    F = m a means
    • A. 

      Force = mass x appreciation

    • B. 

      Force = mass x acceleration

    • C. 

      Flux = mass x acceleration

    • D. 

      Flux = mass x appreciation

  • 5. 
    F = m ais used to calculate the ___________ of an object.
    • A. 

      Flux

    • B. 

      Fracture

    • C. 

      Force

    • D. 

      Frequency

    • E. 

      First Law of Newton

  • 6. 
    A/An __________ orbit is _________ and the satellite does not remain the same distance away from the planet.
    • A. 

      Elliptical / not even

    • B. 

      Elliptical / even

    • C. 

      Circular / not even

    • D. 

      Circular / even

  • 7. 
    A/An __________ orbit is _________ and the satellite remains the same distance away from the planet.
    • A. 

      Elliptical / not even

    • B. 

      Elliptical / even

    • C. 

      Circular / not even

    • D. 

      Circular / even

  • 8. 
    In a/an _________________ orbit the closest point of the orbit is the ___________ and the point furthest is called the ______________.
    • A. 

      Circular / perigee / apogee

    • B. 

      Elliptical / perigee / apogee

    • C. 

      Circular / apogee / perigee

    • D. 

      Elliptical / apogee / perigee

  • 9. 
    The most famous space telescope is called the _________________ Space Telescope
    • A. 

      Hemble

    • B. 

      Himble

    • C. 

      Humble

    • D. 

      Hamble

    • E. 

      None of the above

  • 10. 
    The __________ landers, which were sent to __________ , used __________ to collect __________ rock and soil.
    • A. 

      Lunar / Moon / robotic arms / Lunar

    • B. 

      Combustion / Moon / highly trained astronauts / Lunar

    • C. 

      Viking / Mars / robotic arms / Martian

    • D. 

      Voyager / Mars / highly trained astronauts / Martian

  • 11. 
    All fires need these three things.
    • A. 

      Fuel, heat and exhaust

    • B. 

      Oxygen, heat and gravity

    • C. 

      Exhaust, oxygen and fuel

    • D. 

      Fuel, heat and oxygen

    • E. 

      Oxygen, fuel and gravity

  • 12. 
    A/An ___________________ telescope uses a large mirror.
    • A. 

      Reflecting

    • B. 

      Refracting

    • C. 

      Magnifying

    • D. 

      Aperature

  • 13. 
    A/An ___________________ telescope uses only lenses to produce images.
    • A. 

      Reflecting

    • B. 

      Refracting

    • C. 

      Magnifying

    • D. 

      Aperature

  • 14. 
    The Hubble Space Telescope is an example of a _________________ telescope.
    • A. 

      Reflecting

    • B. 

      Refracting

    • C. 

      Magnifying

    • D. 

      Aperature

  • 15. 
    _____________________ are unmanned space vehicles sent out to gather information about planets.
    • A. 

      Refracting lenses

    • B. 

      Satellite perigees

    • C. 

      Robotic landers

    • D. 

      Space probes

  • 16. 
    In order for a rocket to get as high off Earth as it can it must fight ___________.
    • A. 

      Oxygen

    • B. 

      Gravity

    • C. 

      Atmospheric pressure

    • D. 

      Thrust

  • 17. 
    The ________________________ is the only equipment lost on each mission of the U.S. Space Shuttle.
    • A. 

      Solid rocket booster

    • B. 

      Cargo

    • C. 

      External fuel tank

    • D. 

      Internal fuel tank

    • E. 

      None of the above

  • 18. 
    The U.S. Space Shuttle is a significant development in space exploration because it is ______________.
    • A. 

      Inexpensive

    • B. 

      Extremely expensive

    • C. 

      Reusable

    • D. 

      Not reusable

  • 19. 
    The Voyager 2 space probe visited which four planets.
    • A. 

      Mercury, Venus, Mars and Jupiter

    • B. 

      Mars, Jupiter, Neptune and Pluto

    • C. 

      Jupiter, Saturn, Uranus and Neptune

    • D. 

      Uranus, Mercury, Venus and Saturn

  • 20. 
    True or False. The Galileo probe gathered much information about Jupiter and its moons before returning to earth.
    • A. 

      True

    • B. 

      False

  • 21. 
    True or False.  Some space probes have left our Solar System.
    • A. 

      True

    • B. 

      False

  • 22. 
    The first person in space was ____________________.
    • A. 

      Neil Armstrong, an American astronaut

    • B. 

      Yuri Gagarin, a Soviet cosmonaut

    • C. 

      Buzz Aldrin, an American astronaut

    • D. 

      Johannes Kepler, a German astronaut

  • 23. 
    The first person to walk on the moon was ____________________.
    • A. 

      Neil Armstrong, an American astronaut

    • B. 

      Yuri Gagarin, a Soviet cosmonaut

    • C. 

      Buzz Aldrin, an American astronaut

    • D. 

      Johannes Kepler, a German astronaut

  • 24. 
    The force of an object is equal to its mass times its acceleration is ____________________.
    • A. 

      Newton's First Law

    • B. 

      Newton's Second Law

    • C. 

      Newton's Third Law

    • D. 

      Newton's Fourth Law

    • E. 

      Newton's Fifth Law