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Eighth Grade (Grade 8) Science Questions

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Grade 8 :: Periodic Table and Elements by erogers
Grade 8 :: Scientific Method by wlemerson
Grade 8 :: Forces and Motion by ncarlson0923
Grade 8 :: Properties of Matter by csantana
Which of the following is a physical property of an element?
  1. color
  2. ability to rust
  3. ability to burn
  4. ability to tarnish
Grade 8 :: Forces and Motion by ncarlson0923
When is the velocity of an object constant?
  1. when only its speed changes
  2. when only its direction changes
  3. when its speed and its direction both change
  4. when neither its speed nor its direction change
Grade 8 :: Properties of Matter by csantana
Grade 8 :: Periodic Table and Elements by erogers
Grade 8 :: Forces and Motion by ncarlson0923
Why is Newton's first law sometimes called the law of inertia?
  1. because inertia is the tendency of objects to resist changes to their motion
  2. because inertia describes the application of force to an object at rest
  3. because inertia describes the applications of force to an object in motion
  4. because inertia is the same thing as friction
Grade 8 :: Forces and Motion by ncarlson0923
What features determine an object's acceleration?
  1. the forces acting on it and its size
  2. the forces acting on it and its mass
  3. the forces acting on it only
  4. its weight and its mass
Grade 8 :: Cell Structure and Function by B2Good
Grade 8 :: Periodic Table and Elements by erogers
Which group of elements most readily combines with group 17 elements?
  1. Group 1
  2. Group 17
  3. Group 18
  4. none, group 17 is the most stable group
Grade 8 :: Properties of Matter by erogers
Grade 8 :: Properties of Matter by lsh5758
Grade 8 :: Periodic Table and Elements by CoachT44
This element's symbol is Na.
  1. Neon
  2. Nitrogen
  3. Sodium
  4. Natrium
Grade 8 :: Properties of Matter by lsh5758
Grade 8 :: Properties of Matter by lsh5758
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