This is the measurement of the amount of matter an object contains
what is Mass?
In this state of matter, particles are tightly packed together and vibrate in fixed positions.
what is a solid?
This phase change occurs when a liquid turns into a gas only at the surface of the liquid, below its boiling point.
What is evaporation?
This type of pure substance is made of only one kind of atom and cannot be broken down chemically into simpler substances.
What is an element?
l x w x h =
What is Volume?
This characteristic property represents the mass per unit volume of a substance, and explains why oil floats on water.
What is Density?
This state of matter has a definite volume but takes the shape of whatever container it is poured into
What is a liquid?
a measure of how hot or cold an item is
What is temperature?
A combination of two or more substances that are physically blended together but not chemically bonded.
What is a mixture?
mass divided by volume =
what is density?
Flammability and reactivity are examples of this type of property, which can only be observed by changing the substance's identity.
What is a chemical property?
The particles in this state of matter have enough kinetic energy to completely overcome the attraction between them, filling all available space.
What is a gas?
When a gas loses thermal energy and turns back into a liquid, it undergoes this process.
What is condensation?
Saltwater is an example of this specific type of mixture, where the composition is completely uniform throughout.
What is a homogeneous mixture?
The International System of Units using this base unit to measure mass
What is kilogram?
Scientist use this instrument to measure the volume of a liquid
What is a graduated cylinder?
This highly energetic, ionized state of matter is made of stripped electrons and positive ions, commonly found in stars and lightning
What is plasma?
During a phase change, adding more thermal energy causes this to happen to the temperature of the substance.
What is NOTHING?
A pure substance formed when two or more different elements chemically combine in a set, fixed ratio.
What is a compound?
Filtration, distillation, evaporation and magnetic attraction are four types
what is separation methods?
To calculate the density of an irregularly shaped object, you measure its mass on a balance and use this method involving a graduated cylinder to find its volume
What is water displacement?
the process of changing a liquid into a gas, leaving a dissolved solid behind is
What is evaporation?
This type of reaction or phase change (like melting) occurs when a substance absorbs thermal energy from its surroundings
What is an endothermic process?
In a cup of hot cocoa, the chocolate powder is known as this component because it is the substance being dissolved.
What is the solute?
This may include a color change, gas production, a temperature change, or the formation of a precipitate.
What is evidence of a chemical change?