States of Matter
This state of matter has a definite shape and a definite volume.
What is a solid?
This is the amount of matter in an object.
What is mass?
The melting point is the temperature at which this change of state happens.
What is solid to liquid?
The boiling point is the temperature at which a liquid changes into this.
What is a gas (or vapor)?
This term describes how well a substance dissolves in a liquid.
What is solubility?
This state takes the shape of its container but keeps the same volume.
What is a liquid?
Mass is usually measured in these two metric units.
What are grams and kilograms?
This common substance melts at 0 degrees Celsius.
What is ice (or water)?
Water boils at this temperature in degrees Celsius at sea level.
What is 100 degrees Celsius?
Sugar dissolving in water is an example of this physical process.
What is dissolving (or solubility)?
The process of a liquid turning into a gas is called this.
What is evaporation or boiling?
Unlike weight, this property does not change depending on location, such as on the Moon.
What is mass?
At the melting point, a solid and liquid of a substance can do this at the same time.
What is exist together (or be in equilibrium)?
At higher altitudes, the boiling point of water does this because of lower air pressure.
What is decreases (or goes down)?
When a solution cannot dissolve any more solute, it is called this.
What is a saturated solution?
This state of matter is made of electrically charged particles and found in stars.
What is plasma?
This tool is commonly used in science labs to measure mass.
What is a balance or a triple beam balance?
A pure substance has a sharp melting point, but a mixture usually does this instead.
What is melt over a range of temperatures?
Boiling occurs when a liquid’s vapor pressure equals this.
What is atmospheric pressure?
This factor, often related to temperature, usually increases the solubility of solids in liquids.
What is temperature?
This rare phase change skips the liquid stage and goes from solid to gas.
What is sublimation?
If an object has a mass of 10 kg and a volume of 2 m³, this is its density.
What is 5 kg/m³?
This metal has the highest known melting point of any element — over 3,400°C.
What is tungsten?
This instrument is used to measure boiling points of liquids in a lab.
What is a distillation apparatus (or a boiling point apparatus)?
This law states that “like dissolves like,” meaning substances with similar polarity dissolve in each other.
What is the principle of solubility (or polarity principle)?