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Energy Practice Test

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

(1 point) A disturbance that transfers energy from place to place is called a
a.
wave.
b.
medium.
c.
vibration.
d.
compression.
 

 2. 

(1 point) Which is NOT part of the human eye?
a.
pupil
c.
optic nerve
b.
tapetum
d.
cornea
 

 3. 

(1 point) Which best describes white light on the electromagnetic spectrum?
a.
light that can not be seen
c.
ultraviolet light
b.
visible light
d.
radio waves
 

 4. 

(1 point) The amount of matter in an object is called its
a.
inertia.
b.
mass.
c.
force.
d.
balance.
 

 5. 

(1 point) The greater the mass of an object,
a.
the easier the object starts moving.
b.
the greater its inertia.
c.
the more balanced it is.
d.
the more space it takes up.
 

 6. 

(1 point) The ability to do work or cause change describes
a.
density.
b.
energy.
c.
matter.
d.
temperature.
 

 7. 

(1 point) When an object’s distance from another object is changing,
a.
it is in motion.
b.
it is moving at constant speed.
c.
it has a high velocity.
d.
it is accelerating.
 

 8. 

(1 point) Which example supports “Energy as a funtion of motion?”
a.
radio waves
c.
a hot burner on a stove
b.
light waves
d.
a magnet
 

 9. 

(1 point) Electromagnetic waves can transfer energy without a(n)
a.
medium.
b.
electric field.
c.
magnetic field.
d.
change in either a magnetic or an electric field.
 

 10. 

(1 point) Which is an example of heat transfer by conduction?
a.
Fire from a fire place
c.
heat from the sun
b.
touching a hot plate
d.
boiling water
 

 11. 

(1 point) The force that one surface exerts on another when the two rub against each other is called
a.
friction.
b.
acceleration.
c.
inertia.
d.
gravity.
 

 12. 

(1 point) Which is not a simple machine?
a.
Pulley
c.
Wedge
b.
Axel
d.
Inertia
 

 13. 

(1 point) What is required for a rocket to lift off into space?
a.
thrust that is greater than Earth’s gravity
b.
mass that is greater than Earth’s
c.
very little air resistance
d.
more velocity than friction
 

 14. 

(1 point) The force that pulls falling objects toward Earth is called
a.
gravity.
b.
free fall.
c.
acceleration.
d.
air resistance.
 

 15. 

(1 point) Which is an example of  the transfer of heat by convection?
a.
touching a hot burner
c.
electromagnetic waves
b.
pouring a cup of hot water into a cold cup of water
d.
Mr. Scott shooting a rubber band at you.
 

 16. 

(1 point) Balanced forces acting on an object
a.
always change the object’s motion.
b.
sometimes change the object’s motion.
c.
never change the object’s motion.
d.
are not related to motion.
 

 17. 

(1 point) The law of universal gravitation states that any two objects in the universe, without exception,
a.
attract each other.
b.
repel each other.
c.
combine to provide a balanced force.
d.
create friction.
 

 18. 

(1 point) According to Newton’s third law of motion, when a hammer strikes and exerts force on a nail, the nail
a.
creates a friction with the hammer.
b.
disappears into the wood.
c.
exerts an equal force back on the hammer.
d.
moves at a constant speed.
 

 19. 

(1 point) Which of the following is an example of a simple machine.
a.
Pulley
c.
Bungy Chord
b.
Rope
d.
Mr. Howe’s arms
 

 20. 

(1 point) The momentum of an object is in the same direction as its
a.
force.
b.
acceleration.
c.
velocity.
d.
inertia.
 

 21. 

(1 point) The achievement of lifting a rocket off the ground and into space can be explained by
a.
Newton’s first law.
b.
Newton’s second law.
c.
Newton’s third law.
d.
the law of conservation of momentum.
 

 22. 

(1 point) The tendency of an object to resist change in its motion is known as
a.
mass.
b.
inertia.
c.
force.
d.
balance.
 

 23. 

(1 point) The force of gravity on a person or object on the surface of a planet is called
a.
mass.
b.
air resistance.
c.
weight.
d.
free fall.
 

Completion
Complete each statement.
 

 24. 

(1 point) If the action force of a bat striking a ball accelerates the ball in one direction, the reaction force accelerates the bat in the ____________________ direction.
 

 

 25. 

(1 point) A person traveling in a car that stops suddenly keeps moving forward due to ____________________.
 

 

Short Answer
 

 26. 

(1 point) DEFINE and EXPLAIN the difference between Newton’s 1st & 2nd Law’s of Motion.
 
 
Use the diagram to answer each question.

nar001-1.jpg
Assume that all of the objects in the diagram are solid and made of the same material. Arrows represent gravitational force.
 

 27. 

(1 point) In Set C, explain the difference in the magnitudes of the gravitational forces between the two pairs of objects.
 

 28. 

(1 point) In Set A, is the gravitational force greater between the objects in pair 1 or pair 2? Explain why.
 

 29. 

(1 point) In Set B, explain the difference in the magnitudes of the gravitational forces between the two pairs of objects.
 

 30. 

(1 point) Compare the size and direction of the gravitational force exerted by each object in pair 1 of Set A.
 

 31. 

(1 point) In Set A, what would you have to do to the objects to make the gravitational forces between the objects in pair 2 the same as the forces between the objects in pair 1?
 

 32. 

(1 point) Compare and contrast the differences and similarities between heat and temperature.
 

 33. 

(1 point) Explain the relationship between inertia and mass.
 

 34. 

(1 point) Explain how energy flows through a medium.
 

 35. 

(1 point) What is the relationship between the Law of Conservation and Newton’s 1st Law of Motion?
 

 36. 

(1 point) Describe the difference between contact and action-at-a-distance forces.
 

 37. 

(1 point) What is energy?
 

 38. 

(1 point) What is Thermal Equilibreum?
 

 39. 

(1 point) What is heat?
 

 40. 

(1 point) Explain Newton’s 3rd law of Motion.
 

 41. 

(1 point) In detail, explain the difference between kinetic and potential energy.
 

Essay
 

 42. 

(1 point) You are sitting in a cold room and have just started a fire in the fire place. Explain the process of how heat is being transfered from the fire place to you. Include in your answer the type of heat transfer that is taking place, and the flow of energy.
 

 43. 

(1 point) A book is sitting on the dashboard of a car that is stopped at a traffic light. As the car starts to move forward, the book slides backward off the dashboard. Use the term inertia to explain what happened.
 

 44. 

(1 point) Explain and give an example of “Energy as a funtion of position”.
 

 45. 

(1 point) A bowling ball is attached to a rope and the rope is tied to the ceiling. The bowling ball is then pulled back to a point and released. In detail, explain how the following concepts are at work: Newton’s Law’s of Motion, Inertia, Velocity, The Law of Concervation, and Kinetic vs. Potential Energy.
 

 46. 

(1 point) Explain and give an example of Radiative Energy.
 

 47. 

(1 point) Explain and give an example of how “Energy as a function of motion.
 



 
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