Measure It
What is the amount of space an object or a substance takes up?
Volume
What scientific instrument do we use to measure mass?
A balance.
What physical properties does a solid have?
Definite volume and definite shape
All matter is made up of tiny particles called?
Atoms
What is a solution?
A mixture where all the substances are spread evenly.
What happens when liquid becomes solid?
It freezes
What does a graduated container measure?
Volume
What measures the amount of mater in a certain volume?
Density
What physical properties does liquid have?
Definite volume, but not definite shape
What is it called when 2 or more substances are combined?
A mixture
What is a dissolved substance called?
A solute.
What happens when something melts
A solid becomes a liquid
Solid, Liquid, Gas
What is the term for a characteristic of a substance that can be observed without changing the identity of the substance?
Physical property
What physical properties does a gas have?
No definite volume or shape
What is a compound?
When atoms of different elements are combined.
What is a solvent?
A substance that dissolves another substance
What happens when a liquid becomes a gas?
It vaporizes
What do we use water displacement for?
To find the volume of solids or shapes that are hard to measure.
What is the difference between a Physical Change and a Chemical Change?
A physical change does not form a new substance, but a chemical change does.
What change is happening when something freezes?
A liquid is changing into a solid.
Physical: Breaking a plate
Chemical: Digesting food
What is a concentration?
The amount of solute that is dissolved
What is condensation?
When a gas changes to a liquid
What is the difference between matter and mass?
Matter is anything that has volume or mass.
Mass is the amount of material in a substance.
What is the difference between weight and mass?
Mass measures the amount of matter, but weight measures how much force of gravity exerts on the matter.
What is evaporation?
when a substance changes from a liquid to a gas
Give an example of density with a box of cotton candy and licorice.
If both carried, the box with cotton candy would be lighter because it is less dense.
What does solubility mean?
The ability of a solvent to dissolve a certain amount of a solute
What is matter that is made up of only one kind of atom
An element