Want to see correct answers?
Login or join for free!
  Physics Worksheets
Looking for Physics worksheets?
Check out our pre-made Physics worksheets!
Share/Like This Page

Ninth Grade (Grade 9) Physics Questions

You can create printable tests and worksheets from these Grade 9 Physics questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Previous Page 5 of 34 Next
Grade 9 Quantum Physics and the Atom
Which of the following would be an isotope of aluminum?
  1. Atom A: mass number=24, atomic number=13
  2. Atom B: mass number=24, atomic number=12
  3. Atom C: mass number=26, atomic number=14
  4. Atom D: mass number=22, atomic number=11
Grade 9 Waves and Sound

This question is a part of a group with common instructions. View group »

Which electromagnetic waves are the longest?
  1. radio
  2. violet
  3. gamma
  4. ultraviolet
Grade 9 Forces and Motion
Why does a body performing uniform circular motion has constant speed but variable velocity?
  1. It experiences a centripetal force.
  2. Its centripetal force and centrifugal forces balance each other.
  3. It experiences centrifugal force.
  4. Its direction of motion changes.
Grade 9 Forces and Motion
Which of the following quantities is scalar?
  1. displacement
  2. force
  3. mass
  4. velocity
Grade 9 Fluid Mechanics
You open a cooler to get a soda on a hot summer day and notice a can of diet soda is floating while the cans of regular soda are not floating. What can you infer about this situation? Which of the following is the best statement that describes this phenomenon?
  1. The water must be flowing upward in the area of the diet soda.
  2. There must be less matter in the regular can of soda.
  3. The diet soda must have less mass per unit of volume than the surrounding water.
  4. The diet soda can must be made of a different kind of material.
Grade 9 Quantum Physics and the Atom
What does the mass number of an atom tell you about the atom?
  1. number of electrons
  2. number of protons
  3. number of neutrons
  4. number of protons and neutrons
Grade 9 Forces and Motion
What is speed?
  1. a change in position
  2. distance traveled per unit of time
  3. the rate of change of velocity
  4. measure of how far an object has moved
Grade 9 Magnetism and Electricity
You accidentally drop a permanent magnet on the floor during science lab. Which of the following would be most likely occur?
  1. The magnetism may weaken.
  2. The magnetism may strengthen.
  3. The magnet may reverse its poles.
Grade 9 Quantum Physics and the Atom
What are the three subatomic particles found in an atom?
  1. electron, proton, neutron
  2. neutron, photon, electron
  3. electron, proton, ion
  4. proton, neutron, isotope
Grade 9 Forces and Motion
The constant force of attraction between all objects with mass is called
  1. inertia.
  2. adhesion.
  3. gravity.
  4. electromagnetism.
Grade 9 Forces and Motion
What is distance?
  1. a change in position
  2. a measure of how far an object has moved
  3. the distance and direction of an object's change on position from a reference point
  4. the distance traveled per unit of time
Grade 9 Light and Optics
Which of the following is not true about the image formed by a concave lens?
  1. The image is formed on the same side of the object.
  2. The image is formed between the object and the lens.
  3. The image formed is always virtual, upright and diminished.
  4. The image is formed on the focal point.
Previous Page 5 of 34 Next