Vocabulary
The amount of Potential Energy on an object depends on these two things.
What is weight and height from the ground?
Stored energy is a form of kinetic energy
What is false?
Any material that can burn.
What is Fuel?
As an object’s temperature increases, so does this.
What is Thermal Energy?
All objects have thermal energy, even ice.
What is true?
The primary source of light on the Earth
What is the sun?
The concept of the law of conservation of energy explains this.
What is energy cannot be created or destroyed it can only change from one form to another?
When ice is left at room temperature its molecules release heat and move slower, making the ice melt.
What is false?
The sequence of energy transformations that occurs after a battery-operated flashlight is turned on (1) electrical → light → chemical (2) electrical → chemical → light (3) chemical → light → electrical (4) chemical → electrical → light
What is (4) chemical → electrical → light?
Your muscles are able to move because of this energy transformation
What is Chemical to Kinetic energy?
A glass of water is 0degrees C. The room is 23degrees C. How does the heat move? a. there is no movement of heat b. cup to room. c. from room to cup
What is from room to cup?
Thermal energy only travels in this direction.
What is higher temperature to lower temperature?
Dark clothing keeps you warmer in cold weather because the dark color absorbs the sun's energy.
What is true?
A device that transforms kinetic energy into electrical energy.
What is a generator?
Why do some pots have a layer of copper at the bottom? a. copper is a good conductor of heat. b. copper creates convection, which heats food. c. copper increases the pot's mechanical energy. d. copper is an insulator that keeps food from burning.
What is a. copper is a good conductor of heat.