Energy Quiz review.

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Presentation transcript:

Energy Quiz review

Energy made in the form of motion Law of Conservation Gravitational Potential Energy Kinetic Energy Mechanical Energy

States that when one form of energy is converted into another, no energy is lost in the process Law of Conservation Gravitational Potential Energy Kinetic Energy Mechanical Energy

Total amount of PE and KE in a system Law of Conservation Gravitational Potential Energy Kinetic Energy Mechanical Energy

Transferred to an object when work is done Law of Conservation Gravitational Potential Energy Energy Mechanical Energy

Energy related to an object’s height Law of Conservation Gravitational Potential Energy Kinetic Energy Mechanical Energy

If the kinetic energy of a falling apple is 5 If the kinetic energy of a falling apple is 5.2J and its potential energy is 3.5J what is the mechanical energy? Answer: 8.7J (5.2 + 3.5)

A bow and arrow when stretched and ready to be released has this type of energy. Answer: elastic potential

A solar panel uses light from the sun to produce this type of energy Answer: electrical energy

Write the energy transformation for the description an electric toaster _________  __________ Answer: electrical  thermal

Write the energy transformation for the description battery powers a light bulb ______ ______  _______ Answer: chemical  electrical  light

What is the kinetic energy of 1,350 kg car that is traveling at 12 m/s? Given: m = 1350 kg v = 12 m/s Find: KE Formula: KE = 1 2 𝑚𝑣 2 KE= 97,200 J

For a science experiment, a student climbs to different heights on a ladder and drops different items to the floor. The information for each trial is listed in the chart below. Item Mass Height Field hockey ball 20 kg 8 m Baseball 15 kg 14 m Golf ball 2 kg 10 m Which item has the most Gravitational Potential Energy? How do you know? Baseball = greatest height