What is Energy?

Chapter 5 Section 1 Review

a. kinetic energyb. energyc. gravitational potential energyd. mechanical energye. potential energy

1. The ability to do work is…

b. energy

ANSWER: The ability to do work is…

a. kinetic energyb. energyc. gravitational potential energyd. mechanical energye. potential energy

2. The energy an object has because of its position is…

e. potential energy

ANSWER: The energy an object has because of its position is…

a. kinetic energyb. energyc. gravitational potential

energyd. mechanical energye. potential energy

3. The energy you give to an object when you use a force that goes against the force of gravity is …

c. gravitational potential energy

ANSWER: The energy you give to an object when you use a force that goes against the force of gravity is …

a. kinetic energyb. energyc. gravitational potential energyd. mechanical energye. potential energy

4. The energy of motion is…

a. kinetic energy

Answer: The energy of motion is…

a. kinetic energyb. energyc. gravitational potential energyd. mechanical energye. potential energy

5. The total energy of motion and position of an object is…

d. mechanical energy

ANSWER: The total energy of motion and position of an object is…

a. ½ m x v squared b. weight x height c. distance/time d. m ÷ a

6. Which of the following is the equation for kinetic energy?

a. ½ m x v squared

ANSWER: The equation for kinetic energy is…

a. ½ m x v squaredb. weight x heightc. distance/timed. m ÷ a

7. Which of the following is the equation for gravitational potential energy?

b. weight x height

ANSWER: The equation for gravitational potential energy is…

a. kinetic energy b. chemical energy c. thermal energy d. light energy

8. Which of the following types of energy comes from a compound that changes as its atoms are rearranged?

b. chemical energy

ANSWER: The energy that comes from a compound that changes as its atoms are rearranged is…

a. kinetic energyb. nuclear energyc. thermal energyd. sound energy

9. Which of the following is due to the random motion of particles?

c. thermal energy

ANSWER: The energy that is due to the random motion of particles is …

a. sound energy b. electrical energy c. chemical energy d. thermal energy

10. Which energy is caused by an object’s vibrations?

a. sound energy

ANSWER: The energy that is caused by an object’s vibrations is…

a. kinetic energyb. nuclear energyc. thermal energyd. sound energy

11. Which of the following is the energy that comes from changes in an atom’s nucleus?

b. nuclear energy

ANSWER: The energy that comes from changes in an atom’s nucleus is…

a. electrical energyb. nuclear energyc. thermal energyd. sound energy

12. What is the energy of moving electrons?

a. electrical energy

ANSWER: The energy of moving electrons is…

a. electrical energyb. nuclear energyc. light energyd. sound energy

13. What type of energy is produced by the vibrations of electrically charged particles?

c. light energy

ANSWER: The energy produced by the vibrations of electrically charged particles is…

a. 4900 Jb. 5000 Jc. 15,000 Jd. 500 J

14. What is the gravitational potential energy of a 50 kg diver standing on a platform that is 10 m off the ground?

a. 4900 J

weight x height 50 x 9.8 x 10

ANSWER: The gravitational potential energy of the diver is …

a. 900,000 Jb. 60,000 Jc. 600,000 Jd. 480,000 J

15. What is the kinetic energy of a 2000 kg bus that’s moving at 30 m/s?

a. 900,000 J

½ mass x v squared

(1/2)(2000) x (30)(30)

ANSWER: The kinetic energy of the bus is …

Remember to study!Study some more! The review will be available on the CLASSROOM website after school today!

QUIZ ON WEDNESDAY!