RED – Chapter 9 What is the formula for Gravitational Potential Energy? (GPE) What is energy efficiency? What is the difference between energy conversion.

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Presentation transcript:

RED – Chapter 9 What is the formula for Gravitational Potential Energy? (GPE) What is energy efficiency? What is the difference between energy conversion and energy transfer? What is fusion? What is fission? What type of energy relates to fission and fusion and how the identity of the atom changes?

PURPLE What is the formula for Kinetic Energy? (KE) What is the by product of all energy conversions? What is the Law of Conservation of Energy? Why can you not have perpetual motion? What is the definition of friction? What is the definition of energy?

A C B ORANGE – Chapter 9 Where is the most Kinetic Energy? Where is the most Potential Energy? What are the different types of energy represented above? What two factors determine Gravitational Potential Energy? (GPE) What are the two factors that determine Kinetic Energy? (KE) Which factor has the most impact on kinetic energy?

BLUE – Chapter 9 Show the energy conversions for the following scenarios. When a student uses a rubber band to fire a hornet. When a star joins two atoms to form a larger atom and light. When your battery powered Bluetooth speaker is playing music. A solar panel heating water. Come up with your own daily experience and describe the transformation of energy.

YELLOW – Chapter 9 1. Rank the following in order from greatest amount of kinetic energy to the least. Assume the motorcycle is double the mass of the tricycle. a. A tricycle traveling 2 m/s b. A tricycle traveling 4 m/s c. A motorcycle traveling 4 m/s d. A motorcycle traveling 2m/s 2. What is kinetic energy? 3. What is gravitational potential energy? 4. What is mechanical energy? 5. What is the formula for mechanical energy? 6. Two skiers are at the top of a hill with 500J of GPE. Paul generated 50J of thermal energy through friction and Ashley generated 100J. Which skier was more energy efficient? Why?

Pink Station- Chapter 9 What kind of energy does not need matter, but does travel in waves? What kind of energy comes in the form of moving electrons? What kind of energy is due to the random motion of particles that make up an object? What kind of energy is formed from the arrangement of atoms? What kind of energy is stored when something is stretched? What kind of energy needs matter, and travels in waves? What kind of energy do you give to an object when you use a force that goes against the force of gravity?

GREEN – Chapter 9 Determine the weight of a skateboarder with a mass of 40kg. What is the gravitational potential energy of that skateboarder at the top of a 5m half pipe? What would be the kinetic energy of the skateboarder if he is going 10m/s at the bottom of the half pipe? What is the mechanical energy of the skateboarder at the mid point of the half pipe (2.5m) if he is going 6m/s?