Materials
What are materials that come from nature?
natural materials
Type of mixture where the different parts of the mixture are noticeably different from on another
heterogeneous
What is how much matter an object has?
mass
What happens when a solid changes to a liquid?
melting
To go down below the surface of something, especially of a liquid; become submerged
Sink
What are materials that are made by people?
man-made or manufactured materials
A mixture in which the substances are well-blended; you can't see the different pieces
homogeneous
What is how much space matter takes up?
volume
What are the two (2) general properties of matter?
Mass and volume
What is is the measure of how much mass is in a given amount of volume?
Density
How can you differentiate between a physical and a chemical change?
Physical changes are reversible while chemical changes are not.
Physical changes stay the same substance while chemical changes change into a new substance
What are two (2) parts of a solution?
solute and solvent
What is the only state of matter that has a shape of its own? It has definite volume and always takes up the same amount of space.
solid
Name the specific properties of matter
colour, hardness, transparency and taste
When water vapor changes state directly from a gas to a solid. The reverse of sublimation.
Deposition
Name 4 of the 5 different states of water
ice, liquid, vapour, geyser and clouds
A salad is an example of what type of mixture?
Heterogeneous
What matter does not have a shape of its own? The particles are closely packed, but can move apart from each other and fill the shape of any container
liquid
The process of changing from a gas to a liquid is called ________________.
condensation
The transition or change from the solid phase to the gas phase without passing through or changing into the liquid phase
Sublimation
How do you calculate density?
Mass / Volume
Gazapacho is an example of what type of mixture?
Homogeneous
What type of matter has particles that are free to move around? They do not have definite volume and can change in the amount of space they take up.
gas
How do you find the density of an object?
Divide its mass by its volume
The ability for an object to float or sink is called _________?
Buoyancy