Science Final Exam 20-21
  • 1. Which of the following is an artificial light source?
A) Moon
B) Rocket
C) Light Bulb
D) Sun
  • 2. Why does refraction occur?
A) Light from different sources travels at different rates
B) Light travels through different materials at different speeds
C) Different colors of light travel at different speeds.
D) Different materials physically twist light around.
  • 3. When you look at your teacher's face, how can you see it?
A) Her face emits electromagnetic radiation
B) Her face emanates light.
C) Light reflects off of her face
D) Light refracts through her face
  • 4. Light can behave as both a ______ and a _______.
A) Natural source; unnatural source
B) Refraction; reflection
C) Ray; beam
D) Wave; particle
  • 5. What is matter? Choose the best answer.
A) Anything that has a fixed volume
B) Anything that takes up space
C) Anything that is solid
D) Anything that can be seen
  • 6. What happens to the chemical structure of water when it changes state?
A) Water molecules break apart to form individual atoms.
B) Water molecules harden into ice molecules
C) Nothing happens to the chemical structure
D) Water molecules melt into gas molecules
  • 7. In what way are liquids different from solids?
A) Liquids are always denser than solids.
B) Liquids don't have a fixed shape; solids do
C) Liquids are made of atoms; solids are made of molecules
D) Liquid molecules are lighter than solid molecules
  • 8. What will happen if you keep increasing the temperature of a liquid?
A) It will boil and become a gas
B) It will remain a liquid
C) It will transpire
D) It will solidify
  • 9. Water's chemical formula is "H2O." What does this mean?
A) A gram of water contains 20 hydrogen atoms
B) Water molecules cannot be split into smaller pieces
C) Water is composed of hydrogen molecules and oxygen molecules
D) Each water molecule contains two hydrogen atoms and one oxygen atom
  • 10. What do lightning and stars have in common?
A) Both have a fixed volume
B) Both have no electrical charge
C) Both contain plasma
D) Both contain all three states of matter
  • 11. What is the basic shape of a liquid?
A) A canyon ball
B) A cube
C) Whatever shape its container is
D) A Sphere
  • 12. How can you remove energy from matter?
A) By increasing its volume
B) By lowering its temperature
C) By boiling it
D) By increasing its pressure
  • 13. Where would you find a Bose-Einstein condensate?
A) In Wakanda
B) In a science lab
C) At the North Pole
D) In a Space Mountain
  • 14. Gases have a tendency to expand. What's the best synonym for "expand?"
A) Collide
B) Spread out
C) Crash
D) Work
  • 15. What is energy? Choose the best answer.
A) Anything that radiates light or heat
B) Anything that travels in the form of a wave.
C) Anything that makes matter move or change.
D) Any object in motion.
  • 16. Which of these objects has kinetic energy?
A) A ball sitting on a table
B) A ball buried underground.
C) A ball moving through the air.
D) A ball sitting on the edge of a cliff
  • 17. What is the difference between kinetic energy and potential energy?
A) Kinetic energy is the energy of objects at rest; potential energy is the energy of objects in motion.
B) Kinetic energy has to do with chemistry; potential energy has to do with physics
C) Potential energy has to do with chemistry; kinetic energy has to do with physics.
D) Potential energy is the energy of objects at rest; kinetic energy is the energy of objects in motion.
  • 18. Which of the following objects has the most potential energy?
A) A ball sitting on a mountaintop
B) A ball resting on the ground
C) A ball sitting on a table
D) A ball that's been thrown into the air
  • 19. Which of the following terms is synonymous with potential energy?
A) Light energy
B) Stored energy
C) Motion energy
D) Kinetic energy
  • 20. What would happen if you didn't have chemical energy in your body? Choose the best answer.
A) You wouldn't be able to think
B) You wouldn't be able to sleep
C) You wouldn't be able to move
D) You wouldn´t be able to fly
  • 21. What is the primary source of all light energy on earth?
A) A Lightning
B) The Moon
C) The Sun
D) A Thunder
  • 22. Which of the following is an opinion about energy?
A) Kinetic energy is the energy of motion
B) Chemical energy is the most important source of energy
C) Solar energy can be used to power people's homes
D) Power plants and batteries supply us with electrical energy
  • 23. What do wind and moving water have in common?
A) They both have mechanical energy.
B) They both have chemical energy
C) They both have light energy.
D) They both have nuclear energy
  • 24. How is nuclear energy released?
A) By atoms fusing together or splitting apart
B) By chemicals mixing
C) By burning fuel
D) By moving turbines
Students who took this test also took :

Created with That Quiz — where test making and test taking are made easy for math and other subject areas.