Skip to content

Terms and definitions

Everything in this flashcard set.

reaction
A process in which one or more substances are changed into others
thermal
Rising current of warm air
energy
The power to do work or make things move
exothermic
Occurring or formed with the liberation of heat
endothermic
Occurring or formed with absorption of heat
combustion
A process in which a substance reacts with oxygen to give heat and light
respiration
The metabolic processes whereby certain organisms obtain energy from organic molecules
braking
To stop travelling by applying a brake
making
The act that results in something coming to be
bonds
An electrical force linking atoms (plural)
burning
A process in which a substance reacts with oxygen to give heat and light
equilibrium
A stable situation in which forces cancel one another
reversible
A garment that can be worn inside out
acids
Any of various water-soluble compounds having a sour taste and capable of turning litmus red (plural)
alkalis
Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid (plural)
insulator
A material such as glass or porcelain with negligible electrical or thermal conductivity
polystyrene
A polymer of styrene
thermometer
Measuring instrument for measuring temperature
catalyst
A substance that initiates or accelerates a chemical reaction without itself being affected
collision
A brief event in which two or more bodies come together

Explore more

More in Chemistry & Physics

More from ClueCat