Vocabulary
Concepts
True or False
Random
Challenge
100
The ability to cause change in matter.
What is Energy?
100
The amount of Potential Energy on an object depends on these two things.
What is mass and height from the ground?
100
Stored energy is a form of kinetic energy
What is false?
100
Energy transfer
What is Heat?
100
Cold air does this.
What is sink?
200
Energy due to an object's condition or position.
What is Potential Energy?
200
As an object’s temperature increases, so does this.
What is Thermal Energy?
200
All objects have thermal energy, even ice.
What is true?
200
The average kinetic energy of an object
What is temperature?
200
Fill in the blank: Ice melts because it is ________ the thermal energy of its surroundings.
What is absorb?
300
Energy of motion.
What is Kinetic Energy?
300
The concept of conservation of energy explains this.
What is energy cannot be created or destroyed it can only change from one form to another?
300
When ice is left at room temperature its molecules release heat and move slower, making the ice melt.
What is false?
300
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?
300
All of the particles that make up matter are constantly in motion.
What is the kinetic theory of matter?
400
Energy that allows humans to do different life activities and it is stored in chemical bonds.
What is chemical energy?
400
Your muscles are able to move because of this energy transformation
What is Chemical to Kinetic energy?
400
Objects at high elevations have lower potential energy because gravity takes away their potential to fall much further.
What is false?
400
Explain the flow of energy when you hold a piece of ice in your bare hand.
What is from your hand to the ice
400
Heat transfer only stops at this point
What is equilibrium?
500
Energy that travels as sunlight.
What is Electromagnetic Energy?
500
Thermal energy only travels in this direction.
What is higher temperature to lower temperature?
500
Dark clothing keeps you warmer in cold weather because the dark color absorbs the sun's energy.
What is true?
500
Explain the three types of energy transfer
What is Convection (touch), Convection (movement due to temperature difference), and Radiation (Electromagnetic)
500
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.
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