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Vocabulary
Lesson 1 - Potential and Kinetic Energy
Lesson 2 - Electric Energy
Lesson 3 - Light and Sound Energy
Lesson 4 - Thermal Energy
100
The definition is " light that bounces off an object." What is the vocabulary word?
RELECTION
100
Name three forms of potential energy.
CHEMICAL energy ELASTIC POTENTIAL energy GRAVITATIONAL POTENTIAL energy
100
Electrons have what kind of a charge - positive or negative?
Electrons have a NEGATIVE charge.
100
The color you SEE in an object is the color of light the object... a. conducts b. absorbs c. refracts d. reflects
d. reflects
100
What type of heat transfer takes place when a lizard warms itself by laying on a warm rock? a. conduction b. convection c. radiation
a. conduction
200
The definition is "what an object gets when it gains or loses electrons." What is the vocabulary word?
ELECTRIC CHARGE
200
Name five forms of kinetic energy.
MECHANICAL energy ELECTRIC energy LIGHT energy SOUND energy THERMAL energy
200
Protons have what kind of a charge - positive or negative?
Protons have a POSITIVE charge.
200
Do sound waves travel better through objects that are more dense or less dense?
MORE DENSE (Denser objects carry sound energy farther as well as faster than less dense objects.) :-)
200
The sidewalk gets hot in the summer because the sun has transferred thermal energy to it by _____________ . a. conduction b. convection c. radiation
c. radiation
300
The definition is "the transfer of thermal energy from one substance to another." What is the vocabulary word?
HEAT
300
From where does most of the Earth’s energy come?
SUN
300
If an object has a charge, it attracts objects with _________________. a. the same charge b. the opposite charge
b. the opposite charge
300
Sound waves can travel through what three things?
AIR, LIQUIDS, and SOLIDS
300
When a liquid or gas is mixed, thermal energy is transferred by ________________ . a. conduction b. convection c. radiation
b. convection
400
The definition is "the ability to cause changes in matter." What is the vocabulary word?
ENERGY
400
What is energy? (define)
Energy is the ability to cause changes in matter.
400
Which way do electrons flow - positive to negative OR negative to positive?
Electrons always flow from the negatively charged object to the positively charged object.
400
What is the mnemonic for the colors of the visible light spectrum, and what color does each letter represent?
The mnemonic is ROY G BIV. R= red O= orange Y=yellow G=green B= blue I-indigo V=violet
400
When heat is transferred by electromagnetic waves, it is begin transferred by _______________ . a. conduction b. convection c. radiation
c. radiation
500
The definition is "a quality determined by the speed of vibration of sound waves." What is the vocabulary word?
PITCH
500
What is the law of conservation of energy?
Energy can’t be created or destroyed.
500
Define INSULATOR and give an example of a material that is an insulator. Define CONDUCTOR and give an example of a material that is a conductor.
Insulator:a material that doesn’t carry electrons Example (any one of these):rubber,plastic, glass, air Conductor:material that carries electrons more easily Example (any one of these):copper, aluminum, other metal
500
Unlike light waves which are visible, what are five types of electromagnetic waves produced in the universe that we cannot see?
Radio waves Microwaves Infrared waves Ultraviolet waves X rays
500
A large pot of boiling water and a small pot of boiling water have the same temperature, but which one has more thermal energy?
The large pot has more thermal energy because it has more molecules.