year 9 scalars and vectors

• What do scalars have only?

  Magnitude
• Which of the following is a scalar quantity?

  Temperature
• Why are scalars described as having no direction?

  Because they only represent size or amount
• What are some examples of scalar quantities?

  Mass, temperature, time
• What do vectors have in addition to magnitude?

  Direction
• Which of the following is a vector quantity?

  Velocity
• How do vectors differ from scalars?

  Vectors have both magnitude and direction
• What are some examples of vector quantities?

  Velocity, displacement, acceleration
• What is momentum classified as?

  A vector quantity
• What are the key differences between scalars and vectors?

  • Scalars:
  • Only have magnitude
  • Examples: mass, temperature, time
  • Vectors:
  • Have both magnitude and direction
  • Examples: velocity, displacement, acceleration, force, momentum