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50 questions
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  • Q1

    Which of the following comprised thelargest portion of Earth’s volume?

    Outer Core

    Crust

    Inner Core

    Mantle

    30s
  • Q2

    What is the evaporation of waterfrom plant surfaces especially through stomates?

    Respiration

    Perspiration

    Condensation

    Transpiration

    30s
  • Q3

    Which of the following processes form clouds?

    Precipitation

    Evaporation

    Condensation

    Transpiration

    30s
  • Q4

    Which of the following is included in the term hydrosphere?

    All the water on the planet

    All liquid water on the earth, minus ice

    All the freshwater on the planet

    All waters on the surface of the continents

    30s
  • Q5

    1.       What part of the atmosphere protect Earth’s surface from harmful ultraviolet radiation?

    Stratosphere

    Mesosphere

    Troposphere

    Exosphere

    30s
  • Q6

    The aurora borealis and auroraaustralis are caused by the interaction between charged particles andEarth’s magnetic field. What layer of Earth’s atmosphere contains theseparticles?

    Troposphere

    Thermosphere

    Exosphere

    Mesosphere

    30s
  • Q7

     Which is a deep layer ofelectrically charged molecules and atoms that reflects radio waves?

    Troposphere

    Exosphere

    Ionosphere

    Radiosphere

    30s
  • Q8

    What makes the Earth habitable forplants and animals?

     It is very rich in natural resources.

    It has the right distance from the sun and its atmosphere protectsplants and animals from harmful solar radiation.

    It has the right temperature for living things to survive.

    There are existing life forms on it.

    30s
  • Q9

     Which of the following geologic spheres comprise of all water forms in and on Earth including the Atmosphere?

    Biosphere

    Geosphere

    Hydrosphere

    Atmosphere

    30s
  • Q10

    Which of the following statements DOES NOT correctly describe the earth’s subsystems?

    Atmosphere is the blanket of gases that protects the Earth’s biotic components against the harmful ultraviolet rays.

    Lithosphere is the layer of the Earth which contains the land and about30% of the Earth.

    Biosphere is the layer of the Earth which consists of all living organisms found in the Atmosphere, Lithosphere and Hydrosphere.

    Hydrosphere is the layer of the Earth which contains the water and it’s forms and is about 20% of the Earth. 

    30s
  • Q11

    Quartz is one of the common examplesof rock-forming minerals. Scientists identify rocks based on which of thefollowing sets of physical properties of rocks?

    Sizes and shapes

    Texture and behavior

    Color, hardness, luster, crystal forms, density, and cleavage

    Places of origin

    30s
  • Q12

    An Earth Science student identifies a mineral present in rock by rubbing it on a porcelain plate and observing the color of its residues on the plate. Which test is performed by the student?

    Streak test

    Scratch test

    Hardness test

    Color test

    30s
  • Q13

    There were theories about planet Earth, which of the following DOES NOT describe theplanet earth?

    The Earth is a rotating sphere that orbits the sun.

    The Earth is tilted constantly on its axis with respect to its orbit around the sun resulting

    The Earth’s characteristics cannot be described.

    The earth has gravity and magnetic force.

    30s
  • Q14

    Which of the following processes will lead to the formation of an igneous rock?

    Deposition and sedimentation

    Erosion and compaction

    Heating and extreme pressure

    Crystallization and solidification

    30s
  • Q15

    How do scientists classify igneous,metamorphic and sedimentary rocks? They classify rocks based on __________.

    Color

    Usefulness

    Formation

    Shape

    30s

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