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Kinetic
Potential
Vocabulary
Math
Resources
100
Kinetic energy depends on _____ .
What is speed and mass?
100
Gravitational potential energy depends on _____ .
What is weight and height?
100
The ability to do work.
What is energy?
100
The GPE of an apple that has a weight of 2 Newtons sitting on a shelf that is 5 meters from the ground.
What is 10 Joules?
100
We have discussed four different nonrenewable resources, what are they?
What is coal, oil, natural gas, and nuclear energy?
200
In every conversion, some energy is always converted into ____ .
What is thermal energy?
200
Which of the following is not true about GPE? a. As the weight of an object increases, its GPE increases. b. As the height of an object increases, its GPE increases. c. Two objects with different weights, at the same height, have the same GPE. d. Two objects with the same weight, at the same height, have the same GPE.
What is C?
200
The energy stored in an object that stretches.
What is elastic potential energy?
200
The GPE of an automobile that has a weight of 15,000 Newtons that is parked on a bridget that is 3 meters high.
What is 45,000 Joules?
200
Hydrocarbons created from the remains of formerly living organisms used for energy.
What are fossil fuels?
300
The force that causes two objects that touch one another to convert a part of their energy to thermal energy is _____ .
What is friction?
300
We have learned three different types of potential energy. What are they?
What is chemical, elastic, and gravitational?
300
The total energy of motion and position of an object.
What is mechanical energy?
300
It takes 75 Newtons of force to rake the leaves. They are raked for a total distance of 10 meters. How much work has been done?
What is 750 Joules?
300
This type of resource is replaced more quickly than it can be used?
What is a renewable resource?
400
The more an automobile converts energy into mechanical energy instead of thermal energy, the more _____ it is?
What is energy efficient?
400
This type of energy is present in a lump of coal.
What is chemcial potential energy?
400
The energy produced by the vibrations of electrically charged particles.
What is light energy?
400
A 50 kg boy is running at a velocity of 2 m/s. What is his KE?
What is 100 Joules?
400
True or False, hydroelectric power can be used everywhere and should be the only renewable resource used by cities to deliver power to their customers. Explain why you believe this to be true or false.
What is false. While hydroelectric power can be a great alternative for many, it is not an option for communities that do not have access to rivers.
500
A machine makes work easier by _____ .
What is by changing the direction and size of the required force?
500
A pendulum stops swaying and is at rest, has it lost any energy?
What is no, it possesses potential energy?
500
The kinetic energy from the movement of the particles in an object.
What is thermal energy?
500
The Titans are down by 3 points. Jake Locker passes the football, it has a mass of 0.5 kg, at a speed of 5 m/s to score a game winning touchdown. What is the KE of the football?
What is 6.25 Joules?
500
Fossil fuels have been exhausted (used up). The people of Ashland City still need to power their homes and automobiles. What are their best options?
What is hydroelectric power from the Cumberland River along with a combination of solar energy, biomass, and possibly wind energy? These answers will vary.