CROSSWORD GRADE 8th

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Across
  1. 2. A reaction that absorbs heat from its surroundings
  2. 7. The part of the brain that controls balance and coordination
  3. 8. The physical components of a computer system
  4. 15. A negatively charged ion
  5. 16. The opposition to the flow of electric current in a circuit
  6. 17. The amount of space inside a 3D object, often measured in cubic units
  7. 18. The process by which plants release water vapor into the air
  8. 19. A flat surface extending infinitely in all directions, often represented in 2D
Down
  1. 1. A sequence of instructions designed to perform a specific task by a computer
  2. 2. A mathematical phrase that includes numbers, variables, and operation symbols
  3. 3. A language used to create and design webpages
  4. 4. A substance that alters the rate of a chemical reaction without being consumed
  5. 5. The value that appears most frequently in a data set
  6. 6. The basic unit of force in the International System of Units
  7. 9. A program that helps users locate information on the internet
  8. 10. A substance formed when two or more chemical elements are chemically bonded together
  9. 11. The speed of an object in a particular direction
  10. 12. The tendency of objects to remain in motion or stay at rest unless acted on by a force
  11. 13. A disease-causing agent, smaller than bacteria, that can only replicate inside living cells
  12. 14. The pigment that gives skin and hair its color