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7th Grade Science Mid-term Review Quiz

25 Questions
7th Grade Quizzes & Trivia

This is for seventh graders who need to study for their mid term. I got these questions from my teachers study guide.

Questions and Answers
  • 1. 
    • A. 

      The Electron Cloud

    • B. 

      The Nucleus

  • 2. 
    What number is the SI unit based on?
    • A. 

      1

    • B. 

      100

    • C. 

      10

  • 3. 
    What are solstices, how many times a year do they occur, and what dates are they on?
    • A. 

      The days of the year when daylight and nighttime are the same. Two times. March 20th or 21st and September 22nd or 23rd.

    • B. 

      The shortest days of the year. Three times. June 4th, June 20th, December 22nd.

    • C. 

      The longest days of the year. Three times. February 14th, July 4th, December 25th.

    • D. 

      The shortest and longest days of the year. Two times. June 20th or 21st and December 21st or 22nd.

  • 4. 
    What is groundwater and what percentage of the Earth's freshwater is groundwater?
    • A. 

      Water under ground. 89%

    • B. 

      Water found on the ground in parking lots in puddles. 99%

    • C. 

      Water found in the empty spaces + pores on the ground. 14%

    • D. 

      Water that comes from the ground when you somp on it. 2%

  • 5. 
    What atoms are found in the nucleus?
    • A. 

      The electrons and neutrons.

    • B. 

      The protons and neutrons.

    • C. 

      The protons and electrons.

  • 6. 
    What are the three main states of matter?
    • A. 

      Solid, liquid, gas

    • B. 

      Solid, plasma, gas

    • C. 

      Liquid, gas, plasma

    • D. 

      Solid, plasma, liquid

  • 7. 
    What is a catastrophic event?
    • A. 

      An event that helps the environment and animals around it.

    • B. 

      A widespread destructive event that effects everything in the area.

    • C. 

      What happens at an equinox.

    • D. 

      An event that occurs in certain areas around the world.

  • 8. 
    • A. 

      The sun and the planets

    • B. 

      The sun, earth, moon, and stars

    • C. 

      The sun, planets, comets, meteors, and asteroids

  • 9. 
    What is mechanical weathering and the climate it is most prominate in?
    • A. 

      The breaking down of rocks with physical processes. Colder.

    • B. 

      The breaking down of rocks through chemicals. Colder.

    • C. 

      The weathering of rocks with other rocks. Warm wet climates

    • D. 

      The breaking down of rocks through chemical processes. Warm wet climates.

  • 10. 
    What is the lagest drainage basin in the USA?
    • A. 

      The Nile Rivers basin.

    • B. 

      The Rio Grande basin.

    • C. 

      My bathrooms basin.

    • D. 

      The Mississippi River basin.

  • 11. 
    What does the rate of weathering depend on?
    • A. 

      The relative location.

    • B. 

      The colour of the rock being weathered.

    • C. 

      The climate.

    • D. 

      If the metal being weathered has been oxidated.

  • 12. 
    Where does soil erosion occur and how can it be slowed?
    • A. 

      Where water flows. Planting vegetation and terracing

    • B. 

      On a farm. Cover the land with a house.

    • C. 

      In a forest. Remove all vegetation.

    • D. 

      In my back yard. Put dog houses every where.

  • 13. 
    What is an esker?
    • A. 

      Like sandblasing. But on a larger scale.

    • B. 

      Ridges on a glacier.

    • C. 

      An old mans moustache.

    • D. 

      Ridges made by glaciers.

  • 14. 
    What causes earths seasons?
    • A. 

      The tilt on earths axis.

    • B. 

      Its orbit.

    • C. 

      Its rotation.

    • D. 

      Its revolution.

  • 15. 
    What attracts all objects toward each other?
    • A. 

      Attraction

    • B. 

      The Ozone layer

    • C. 

      Gravity

    • D. 

      The moon

  • 16. 
    What is a lunar eclipse?
    • A. 

      When the moons shadow falls on the Earth.

    • B. 

      When the Earths shadow falls on the Sun.

    • C. 

      When the Suns shadow covers the Earth.

    • D. 

      When the Earths shadow falls on the moon.

  • 17. 
    What is an equinox, how many times a year do they occur, and what dates do they occur on?
    • A. 

      The days of the year when daylight and nighttime are the same. Two times. March 20th or 21st and September 22nd or 23rd.

    • B. 

      The shortest days of the year. Three times. June 4th, June 20th, December 22nd.

    • C. 

      The longest days of the year. Three times. February 14th, July 4th, December 25th.

    • D. 

      The shortest and longest days of the year. Two times. June 20th or 21st and December 21st or 22nd.

  • 18. 
    What is abrasion?
    • A. 

      When water gets into a crack in a rock. When it freezes, it expands. After it melts, the crack is enlarged.

    • B. 

      It is a synonym for striations.

    • C. 

      Like sand blasting on a larger scale against a huge rock wall.

    • D. 

      Ridges that glaciers create as they move through a valley.

  • 19. 
    What is plucking?
    • A. 

      When boulders, gravel, and sand are added to the side of a glacier.

    • B. 

      A triangle shaped water basin.

    • C. 

      Ridges made by glaciers passing through valleys.

    • D. 

      Sand blasting on a larger scale.

  • 20. 
    How is the modern periodic table organized? (there are two answers)
    • A. 

      Alphabetically

    • B. 

      By element

    • C. 

      By number of protons

    • D. 

      By atomic number

  • 21. 
    What is a heterogenous mixture?
    • A. 

      A mixture that is the same throughout and you cannot see all of the "ingredients".

    • B. 

      A mixture that is not the same throughout and you can see all of the "ingredients".

  • 22. 
    What is a homogenous mixture?
    • A. 

      A mixture that is the same throughout and you cannot see all of the "ingredients".

    • B. 

      A mixture that is not the same throughout and you can see all of the "ingredients".

  • 23. 
    What is a qualitative observation?
    • A. 

      An observation based on the quality or appearance of something. (like my desk is wooden)

    • B. 

      An observation made with numbers. (like two cats or three dogs)

  • 24. 
    What is unique about the rotation and revolution of Earths moon?
    • A. 

      The rotation occurs every 3 hours and the revolution happens every 7 hours.

    • B. 

      The revolution is elliptical and the rotation is normal

    • C. 

      It happens at the same time

    • D. 

      Nothing is unique about it.

  • 25. 
    What is a renewable resource?
    • A. 

      A resource that cannot be replaced before we use it up.

    • B. 

      A resource that will never run out.

    • C. 

      A resource that can be replaced in time before it runs out.

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