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4th Grade Science 2009
供稿人: LaFave
  • 1. balance
A) an instrument used to measure an objects mass
B) a tool that is used to learn and solve problems in everyday life
C) anything that has mass and takes up space
D) the amount of space that matter takes up
  • 2. circuit
A) a temporary magnet made when an electric current flows through a wire
B) the closed pathway through which an electric current flows
C) a material through which electric current or heat passes through easily
D) a process by which plants change light energy from the sun and use it to make sugar
  • 3. conductor
A) form of energy which can produce light, heat, motion, and magnetism
B) the closed pathway through which an electric current flows
C) a material through which electric current or heat passes through easily
D) the temperature scale on which the freezing point of water is 0 degrees and the boiling point is 100 degrees
  • 4. ecosystem
A) all the living and nonliving things in an environment and how they interact
B) a process by which plants change light energy from the sun and use it to make sugar
C) all the food chains in a community
D) any mark or remains of a plant or animal that lived a long time ago
  • 5. electricity
A) the closed pathway through which an electric current flows
B) form of energy which can produce light, heat, motion, and magnetism
C) it causes temperature changes in any form of matter
D) a material through which electric current or heat passes through easily
  • 6. energy
A) it causes temperature changes in any form of matter
B) the ability to do work or make things move
C) a temporary magnet made when an electric current flows through a wire
D) anything that has mass and takes up space
  • 7. food chain
A) all the food chains in a community
B) all the living and nonliving things in an environment and how they interact
C) the flow of energy through a community
D) the ability to do work or make things move
  • 8. food web
A) the ability to do work or make things move
B) all the living and nonliving things in an environment and how they interact
C) all the food chains in a community
D) the flow of energy through a community
  • 9. fossils
A) anything that has mass and takes up space
B) a process by which plants change light energy from the sun and use it to make sugar
C) any mark or remains of a plant or animal that lived a long time ago
D) all the living and nonliving things in an environment and how they interact
  • 10. gas
A) has a shape of its own and a definate volume
B) it has no shape of its own and spreads out to fill what it is in. It has no definate volume
C) the temperature scale on which the freezing point of water is 0 degrees and the boiling point is 100 degrees
D) it has no shape of its own, it takes the shape of its container. It has a definate volume
  • 11. heat (energy)
A) form of energy which can produce light, heat, motion, and magnetism
B) a process by which plants change light energy from the sun and use it to make sugar
C) it causes temperature changes in any form of matter
D) the temperature scale on which the freezing point of water is 0 degrees and the boiling point is 100 degrees
  • 12. liquid
A) it has no shape of its own and spreads out to fill what it is in. It has no definate volume
B) has a shape of its own and a definate volume
C) anything that has mass and takes up space
D) it has no shape of its own, it takes the shape of its container. It has a definate volume
  • 13. magnet
A) something that attracts or pulls towards it iron, colbalt, steal, and certain other metals
B) the closed pathway through which an electric current flows
C) a temporary magnet made when an electric current flows through a wire
D) a tool that is used to learn and solve problems in everyday life
  • 14. mass
A) the basic unit for measuring mass
B) the amount of material an object has in it
C) the temperature scale on which the freezing point of water is 0 degrees and the boiling point is 100 degrees
D) an instrument used to measure an objects mass
  • 15. matter
A) the basic unit for measuring mass
B) anything that has mass and takes up space
C) a measure of how heavy an object is
D) it causes temperature changes in any form of matter
  • 16. moon
A) the planet on which we live
B) the changing apperance of the moon as it revolves around the earth
C) a star made of hot gases that gives off heat and light
D) a natural satellite that revolves around the earth
  • 17. moon phases
A) a natural satellite that revolves around the earth
B) one full spin of an object on its axis
C) the changing apperance of the moon as it revolves around the earth
D) the path of an object around another object
  • 18. orbit
A) the movement of an object around another object
B) the path of an object around another object
C) one full spin of an object on its axis
D) the changing apperance of the moon as it revolves around the earth
  • 19. revolution
A) the movement of an object around another object
B) a natural satellite that revolves around the earth
C) the path of an object around another object
D) one full spin of an object on its axis
  • 20. rotation
A) the path of an object around another object
B) the movement of an object around another object
C) one full spin of an object on its axis
D) the changing apperance of the moon as it revolves around the earth
  • 21. solid
A) it has no shape of its own, it takes the shape of its container. It has a definate volume
B) a star made of hot gases that gives off heat and light
C) it has no shape of its own and spreads out to fill what it is in. It has no definate volume
D) has a shape of its own and a definate volume
  • 22. sun
A) a natural satellite that revolves around the earth
B) a star made of hot gases that gives off heat and light
C) the changing apperance of the moon as it revolves around the earth
D) it has no shape of its own and spreads out to fill what it is in. It has no definate volume
  • 23. technology
A) a tool that is used to learn and solve problems in everyday life
B) a temporary magnet made when an electric current flows through a wire
C) a process by which plants change light energy from the sun and use it to make sugar
D) something that attracts or pulls towards it iron, colbalt, steal, and certain other metals
  • 24. earth
A) the changing apperance of the moon as it revolves around the earth
B) the planet on which we live
C) any mark or remains of a plant or animal that lived a long time ago
D) a natural satellite that revolves around the earth
  • 25. volume
A) the amount of space that matter takes up
B) a measure of how heavy an object is
C) the amount of material an object has in it
D) has a shape of its own and a definate volume
  • 26. weight
A) a measure of how heavy an object is
B) an instrument used to measure an objects mass
C) the amount of material an object has in it
D) the amount of space that matter takes up
  • 27. grams
A) an instrument used to measure an objects mass
B) the amount of space that matter takes up
C) the basic unit for measuring mass
D) the amount of material an object has in it
  • 28. celcius
A) the temperature scale on which the freezing point of water is 0 degrees and the boiling point is 100 degrees
B) a tool that is used to learn and solve problems in everyday life
C) the basic unit for measuring mass
D) a measure of how heavy an object is
  • 29. electromagnet
A) form of energy which can produce light, heat, motion, and magnetism
B) a temporary magnet made when an electric current flows through a wire
C) something that attracts or pulls towards it iron, colbalt, steal, and certain other metals
D) the closed pathway through which an electric current flows
  • 30. photosynthesis
A) a tool that is used to learn and solve problems in everyday life
B) a process by which plants change light energy from the sun and use it to make sugar
C) the ability to do work or make things move
D) all the living and nonliving things in an environment and how they interact
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