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