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## Chapter 4 Lesson 1 and 2 worksheets

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Chapter 4 Lesson 1 and 2 worksheets
Chapter 4 Lesson I
The one with the greater mass, because KE=1/2 mv2
Question 1Two books with different masses fall off the same bookshelf. As they fall which has more kinetic energy and why?
Chapter 4 Lesson I
Question 2How can the gravitational potential energy of an object be changed?
Chapter 4 Lesson I
Raise it to a great height.
Question 2How can the gravitational potential energy of an object be changed?
Chapter 4 Lesson I
Energy is stored in the ch3mical bonds in the food molecules.No, The energy is stored in the chemical bonds in theoctane, gasoline, molecule
Question 3How is energy stored in food?is the form of energy stored in food different from the form of energy stored in gasoline?
Chapter 4 Lesson I
Kinetic is the energy contained in a moving object by virtue of its velocity andmass.Potential energy is the energy given to an object due to its height.
Question 4Contrast potential and kinetic energy.
Chapter 4 Lesson I
Most PE= DLeast PE= C
Question 5Which ball as the greatest potential energy? ___________ the least _________
Chapter 4 Lesson I
Truck>car>bicycle
Question 6A dump truck, a sports car, and a bicycle are traveling at the same velocity. Compare their kinetic energies.
Chapter 4 Lesson I
7.Theonly way Ms.Stayner’s12 year old Honda can go more than 52 mph is to roll down a mountain. If the Honda has a mass of 1300 kg and its velocity is 45 m/s, what is its kinetic energy?
Chapter 4 Lesson I
8.Yourphysical science textbook is dusty and on a shelf 3 m from the floor. It is sad that you don’t spend quality time with it. If its mass is 1.25 kg, what is its gravitational potential energy? Would the GPE be more or less if the same book were on a shelf 4 m from the ground?
Chapter 4 Lesson 2
The mechanical energy of any object is the sum of the potential energy and the kinetic energy. At the top of the long track the car has mostly potential energy, which will change to kinetic energy as the car goes down the hill.
Question 1Explain mechanical energy and describe the mechanical energy of a roller coaster car immediately before it begins traveling down a long track.
Chapter 4 Lesson 2
Energy is neither created or destroyed during a change. It remains constant.
Question 2What is the law of conservation of energy?
Chapter 4 Lesson I
Friction causes the brake pads to heat up.
Question 3Applying bicycle brakes as you ride down a long hill causes the brake pads and wheel rims to feel warm. Explain.
Chapter 4 Lesson I
In the sun and in the center of the earth. That’s why there is molten rock in the earth’s core.
Question 4Where do nuclear fusion and fission reactions occur naturally?
Chapter 4 Lesson I
Some of the mass in the nucleus is changed to energy. A small amount of mass can create a great amount of energy. This is done according to Einstein’s equation, E=mc2
Question 5How is mass converted into energy in nuclear fission?5
Chapter 4 Lesson I
6.Riley runs the bases with a blazing velocity of 1 .3 m/s with a massive mass of 18 kg. What is his kinetic energy?
Chapter 4 Lesson I
7Yourmom wants you to clean your room which includes doing your yearly dusting. I know it has been since last year that you looked on top of your bookcase. As you climb the 4.25 m to get a look at the top you find the Mt. Dew that you hid from your little brother. The soda, can, and growth of mold combine to .78 kg. What is its GPE?
Chapter 4 Lesson I
Question 2
Chapter 4 Lesson I
Question 2
Chapter 4 Lesson I
Question 2
Chapter 4 Lesson I
Question 2
Chapter 4 Lesson I
Question 2
Chapter 4 Lesson I
Question 2
Chapter 4 Lesson I
The one with the greater mass, because KE=1/2 mv2
Question 1Two books with different masses fall off the same bookshelf. As they fall which has more kinetic energy and why?
Chapter 4 Lesson I
The one with the greater mass, because KE=1/2 mv2
Question 1Two books with different masses fall off the same bookshelf. As they fall which has more kinetic energy and why?
Chapter 4 Lesson I
The one with the greater mass, because KE=1/2 mv2
Question 1Two books with different masses fall off the same bookshelf. As they fall which has more kinetic energy and why?
Chapter 4 Lesson I
The one with the greater mass, because KE=1/2 mv2
Question 1Two books with different masses fall off the same bookshelf. As they fall which has more kinetic energy and why?
Chapter 4 Lesson I
The one with the greater mass, because KE=1/2 mv2
Question 1Two books with different masses fall off the same bookshelf. As they fall which has more kinetic energy and why?
Chapter 4 Lesson I
The one with the greater mass, because KE=1/2 mv2
Question 1Two books with different masses fall off the same bookshelf. As they fall which has more kinetic energy and why?
Chapter 4 Lesson I
The one with the greater mass, because KE=1/2 mv2
Question 1Two books with different masses fall off the same bookshelf. As they fall which has more kinetic energy and why?

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Chapter 4 Lesson 1 and 2 worksheets