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# 6th U 4.1 Science

### 6th U 4.1 Energy, Motion and Forces

The ability to cause change. Energy
The two types of Energy are kinetic energy and potential energy
True or False: Energy can change from one form to another. True
The energy of an object that is due to motion. Kinetic energy
All moving objects have this type of energy. Kinetic energy
The energy related to the motion of an object is what type of energy? Kinetic energy
When examining the energy of a cart on a roller coaster, where is its kinetic energy at its maximum? At the lowest point
When examining the energy of a cart on a roller coaster, where is its gravitational potential energy at its maximum? At the highest point
The energy that an object has due to its position condition or chemical composition. Potential energy
Potential energy that is the result of an object's position is called __ potential. gravitational
Gravitational potential energy increases as the object's ___ increases. height or mass
Stretching a rubber band increases the rubber bands ___ energy. Potential
This type of potential energy depends on chemical composition. Chemical potential
Can an object have both potential and kinetic energy at the same time? Yes, a flying bird has kinetic energy because of its speed and mass, and potential energy due to its height from the ground.
The sum of an object's kinetic energy and potential energy. Mechanical energy
Kinetic energy is the energy of ___. Motion
Potential energy is the energy of ___. Position
The energy of position and motion. Mechanical energy
Kinetic energy caused by the vibration of particles in a medium such as steel, water or air. Sound energy
As particles of some types of matter vibrate, they transfer the ___energy to other particles Sound
Energy transmitted through space in the form of electromagnetic waves. Electromagnetic
Electromagnetic waves include ___, ___, ___. Visible light, x-rays, microwaves
High-energy waves used by doctors and dentists to look at your bones. X-rays
Can be used to cook food or to transmit cellular telephone calls. Microwaves
The sun releases a large amount of electromagnetic energy, some of which reaches Earth as ____. Radiant energy
The energy that results from the position or motion of charged particles. Electrical energy
The electrical energy that power the light overhead is associated with __ charged particles moving in a wire. Negatively
A form of potential energy that depends on the kinds of atoms and their arrangement. Chemical Energy
Is the kinetic energy of an objects particles. Particles move faster at higher temperatures than at lower temperatures. Thermal Energy
The energy transferred from an object at a higher temperature to an object at a lower temperature. Heat
The nucleus of an atom is the source of this type of energy. Nuclear Energy
When an atom's nucleus breaks apart, or when the nuclei of two small atoms join together, this type of energy is released. Nuclear Energy
The energy given off by the sun comes from this type of energy. Nuclear Energy
A huge amount of energy is released when a hydrogen nuclei join to make helium nucleus in the sun. The sun's___ come from these reactions. light and heat
Without this type of energy from the sun, life would not exist on Earth. Nuclear energy
This occurs when energy changes from one form into another form. Remember that any form of energy can change into any other form of energy. Energy transformation
This type of system is a group of objects that transfers energy only to one another. Energy is conserved in all of this type of systems. Closed system
This law states that energy cannot be created or destroyed. It can only change forms. Law of conservation of energy
Kinetic energy is the energy of ___. motion
Potential energy is the energy of ___ position
This type of energy is the sum of energy of motion and energy of position. Mechanical energy
Which of the following best represents stored potential energy? Air leaking from a flat tire, stress built up in a rock fault, heat given off by a forest fire, or water flowing through a hose. Stress built up in a rock fault
A baseball flying through the air best describes which type of energy? Kinetic energy
Name two types of energy that a baseball flying through the air has. Kinetic energy and potential energy
A bike speeding down a hill has which type of energy? Kinetic energy
A swing moving back and forth has which type of energy? Kinetic energy
A ball sitting at the top of a hill has which type of energy? Potential energy
A boy standing still at the top of a skateboard ramp has which type of energy? Potential energy
A rock at the top of a mountain has which type of energy? Potential energy
A large snowball sitting on top of a sea-saw has which type of energy? Potential energy
Created by: wmeeks