Kinetic/Potential Energy
The ability to do work.
What is energy?
Energy carried by electricity.
What is electrical energy?
Most light energy is invisible to us. T or F
What is true?
1. Atoms of different elements have different numbers of protons. T or F
2. For an atom to be an ion, the number of protons and the number of electrons must be different. T or F
1. What is true?
2. What is true?
Where are electrons found?
Outside the nucleus of an atom - in the energy levels or in the electron cloud
A force (a push or pull) applied to an object and it moves the object through a distance is called?
What is work?
Potential energy can be converted to kinetic energy. T or F
What is True?
Name the type of energy: 1. It may be ultraviolet or other invisible forms of radiation. 2. It may be ultrasonic. 3. It is the sum of the kinetic energy found in the particles of a substance.
What is 1. light energy, 2. sound energy, 3. thermal energy
Which type of change: 1. Aluminum foil is crumpled, 2. Glass is shattered, 3. Water is boiled, 4. Wood is burned
What is physical, physical, physical, chemical
"Total energy in the universe is constant" - this is known as
What is the first law of thermodynamics?
The energy any object has because of its motion.
What is kinetic energy?
Energy formed when an atom splits apart or when two atoms join to form one.
What is nuclear energy?
DAILY DOUBLE!!!! The sun releases three main types of energy - name them
What is magnetic, light, and thermal?
How can a compound be broken down?
By a chemical change
Which particles are found in the nucleus of an atom?
What is proton and neutron?
Stored energy or energy that an object has due to its position.
What is potential energy?
Energy stored in the way atoms are connected to each other.
What is chemical energy?
This change causes bubbles
What is a chemical change?
Every element has its own atomic number. The atomic number is the number of ____ in the nucleus of an atom of the element.
What is proton?
Which particles in an atom have the same mass?
What proton and neutron?
As a roller coaster car goes down a hill, its potential energy is changed into this.
What is kinetic energy?
1. Energy of the movement of atoms and molecules.
2. Defined as the flow of thermal energy from a hot place to a cooler place.
1. What is thermal energy?
2. Heat
Tearing paper into pieces
What is a physical change?
A burning match is an example of this type of change
What is a chemical change?
Water, H20 and salt, NaCl are examples of
What are compounds?