Question | Answer |
---|---|
The amount of kinetic energy in an object depends on what two factors? | mass and speed |
What two types of energy are produced from a light bulb? | light and heat |
What is another name for light energy? | radiant energy |
This type of energy describes an object if it is moving. | mechanical energy |
This type of energy is stored in the nucleus of an atom. | nuclear energy |
This type of energy happens as waves vibrate against air molecules. | sound energy |
This type of energy is the energy of moving atoms of molecules. | heat energy |
This type of energy is stored in the bonds of atoms. | chemical energy |
This type of energy is the movement of electrons from atom to atom. | electrical energy |
Heat energy moves from a _____ object to a _____ object. | warmer colder |
What is the freezing point of water on the Celsius scale? | 0 degrees |
What is the boiling point of water on the Celsius scale? | 100 degrees |
What are 3 conductors of heat? | copper, aluminum, and silver |
What are 3 insulators of heat? | glass, rubber, and plastic |
How do hot molecules move? | fast |
How do cold molecules move? | slow |
List 2 examples of mechanical energy. | a moving windmill and a person throwing a ball |
List 2 examples of radiant energy. | the sun and a light bulb |
List 2 examples of sound energy. | telephone changes from sound energy to electrical energy to sound energy |
List 2 examples of chemical energy. | food and gas |
List 2 examples of heat energy. | a fire and an oven |
List 2 examples of electrical energy. | a car battery and a lamp plugged into an outlet |
List 2 examples of nuclear energy. | nuclear fission and nuclear fusion |
What does the acronym MRS CHEN help you to remember? | The 7 forms of energy: mechanical, radiant, sound, chemical, heat, electrical and nuclear. |
During energy transformations, energy is changed from _____ _____ _____ _____. | one form to another |
What type of energy is stored by the process of photosynthesis? | chemical potential energy |
When you add cold water to a hot bath, this is an example of what type of heat transfer? | convection |
Energy from the sun traveling in straight lines is an example of what type of heat transfer? | radiation |
Warm air rising and cool air sinking is an example of what type of heat transfer? | convection |
What does the law of conservation of energy state? | Energy is never created nor destroyed. |
A pot's handle becomes hotter as the food cooks is an example of what type of heat transfer? | conduction |
What form of energy is moving atoms in an object? | heat |
List 3 examples of potential energy from your notes. | stretching a rubber band, water at the top of waterfall, drawing a bow |
List 3 examples of kinetic energy from your notes. | shooting a rubber band, water falling over a waterfall, a yo-yo in motion |
What happens to the heat in your hand when you pick up an ice cube? | your hand loses the heat |
Energy of motion is _____ energy. | kinetic |
Stored energy is _____ energy. | potental |
What type of energy roasts a marshmallow over the fire without touching it? | radiation |
What is the most common energy conversion? | The conversion between potential and kinetic energy. |
What is gravitational potential energy? | The energy an object has due to the position above the earth. |